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Page 2
..
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NM
M
0.
:I:
OPERATING
AND
SERVICE
o
MANUAL
FREQUENCY
o
SYNTHESIZER
3320A/B
o
0-
.",",
......
.....
-
-
•.
-
----
-.--
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__
.2.··11
e
•
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-
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-------
o
HEWLETT
iii
PACKARD
:I:
..
'"
'"
~
'"
Page 3
.....----HEWLETT
The Hewlett-Packard Company certifies that this instrument was
thoroughly tested and inspected and found
specifications when
Packard Company further certifies that its calibration measurements are traceable
the extent allowed by the Bureau's calibration facility.
ifJ
PACKARD
---
CERTIFICATION
to
meet its published
it was shipped from the factory. The Hewlett-
to
the U.s. National Bureau
of
Standards
to
......
WARRANTY
All
Hewlett-Packard products are warranted against defects
materials and workmanship. This warranty applies for
from the date of delivery, or,
nents listed
will
repair or replace products
the
warranty
Packard.
liable for consequential damages.
Service contracts or customer assistance agreements are available
for Hewlett-Packard products
pair on-site.
For any assistance, contact your nearestHewlett-Packard Sales and
Service Office. Addresses are provided
in
the operating manual, for the specified period.
period provided
No
other warrantyisexpressed or implied.
AND
in
that
ASSISTANCE
the case of certain major
which
prove to
they
are
require maintenance and re-
at
be
returned
the back of this manual.
in
one
year
compo-
We
defective during
to
Hewlett-
We
are not
Page 4
W.J.
FORD
A
DIVISIONOF3125661
21
MARKET
P.O.
Box
606.
TELEPHONE
(613)
SURPLUS
ST.N.(corner
SMITHS
FALLS,
~195
ENTERPRISES
CANADA
Market8rWilliam)
FAX
ONT.
(613)
INC.
K7A
4T6
283-0637
OPERATING
MODEL
FREQUENCY
The main
Serial
and
higher. Any changes madeininstruments having
serial
numbers
foundina "Manual Changes" supplement supplied
with
this manual.Besuretoexamine this
for any changes which
record these changes in the manual. Backdating
information for
bers will be
AND
Manual Part No. 03320-90001
Microfiche Part No. 03320-90051
SERVICE
3320A/B
SYNTHESIZER
bodyofthis instruction manual applies
Number1I38A-00276
1319A-00691 (Model
higher
than
applytoyour
instruments
foundinSection VIII.
(Model
the above
with lower serial num-
3320A)
3320B)
number
supplement
instrument
MANUAL
to
will
be
and
Copyright Hewlett-Packard
P.O. Box
301,
Loveland, Colorado,
Company
80537
1971
U.S.A.
Printed: August
1973
Page 5
Model
3320A/B
TableofContents
TABLEOFCONTENTS
Section
I.
GE
ERAL I FORMATIONI-I
I-I.
Introduction..__
1-3.
Specifications
1-6.
Description.....
1-9.
Options_
1-12.
Accessories Supplied
1-14.
Accessories Available
1-16.
Instrument
Section
II.INSTALLATION
2-1.Introduction
2-3.Initial
2-5.Power Requirements
Inspection.
_.....
.I-I
and
Manual
Identification
.............•
...........•.•.........
. . . . ..
.
_
•.........
•.........
2-7.Grounding Requirements
2-10. Environmental Requirements
2-12. Repackaging for Shipment
2-16. Power Cords and Receptacles
2-18.
8-1.Serial Number Index
5-7.Readout Disks Positions
5-6.3320B Frequency Response5-9
5-5.Output Artenuator
5-4.3320B Frequency Response (10
5-3.3320B Frequency Response (0.01
5-2.3320A Frequency Response (0.01
5-1.Test Equipment Required
4-4.Preset Number4-14
4-3.Frequency Serting
4-2.GPIB Bus Signal Mnemonics
1-2. This section contains general information about the
Model 3320A/B Frequency Synthesizer. A general descrip-
tion plus information on specifications, accessories, and
instrument identificationisgiven.
1-3.
SPECIFICATIONS.
1-4. Table
critical specifications
1-2
contains general information that describes the opera-
ting characteristics
Frequency accuracy
Vernier
Vernier
Frequency
Long
Signaltophase noise (integrated>. >40dBin30
I-I
is a complete list
that
are governed by tolerances. Table
of
the 3320A/B.
Out:±0.001%ofsetting
In:
± 0.01%
stability
term:±10
with
ambient
crystal reference oven available
excluding
Out.
Improves
of
range
partsin106of
temperature
± 1 Hz, centered
on
lower
frequency
for6mo,
reference.
of
the Model 3320A/B
for6mo.
setting
(Option
on
carrjer.l0
OoCto5SoC.
OoCto5SoC.
per
Optional
002).
ranges.
year
MHz
Table
(Vernier
high
kHz
range,
'·1.
Out)
stability
band,
Vernier
INFORMATION
1~5.
Any change in the specifications duetomanufac-
to
turing, design, or traceability
Standards will be covered by revised pages in this manual.
This manual supercedes all previous information concerning
of
specifications
1·6.
DESCRIPTION.
the 3320.
1-7. The Hewlett-Packard Model 3320A/B Frequency
Synthesizer provides accurate and stable frequencies from
0.001 Hzto12.9999 MHz. Frequency selection is by three
controls that provide three digits
Specifications.
Harmonic
Amplitude:
full
than
output
the
BOdB
-
-
50dB
-40dB
distortion:
amplitude
following
with
with
with
3320A
maximum
maximum
with
output
any
specified levels.
output
from
output
from
output
from1MHzto13
AMPLITUDE
2 V rms ± 10%open
1 V rms ± 10%
the U.S.National Bureau
of
resolution plus an
frequencies>
harmonically
5 Hzto100
100
kHzto1
SECTION
into
related signal
kHz.
MHz.
MHz.
circuit.
50!1.
0.1%ofrange
of
at
wiltbeless
Spurious:
> 60dBdown.
33208
ATTENUATOR
Standard
+
26.99
to
3.00
3.01
to
-
23.00
- 23.01
to
-
53.00
- 53.01
to
-
69.99*
* -
73.00
**-75.00
dBm,
dBm,
remote
remote
Amplitude
+26.99
Attenuator
Frequency
SETTINGS
control.
control.
33208
AMPLITUDE
accural;Y (absolute):±
dBm
(20°Cto30°C
accuracy
response (10
(l0
kHz
kHz
IdBml
Option
001
+
24.99
to
5.00
5.01
to
-
25.00
- 25.01
to
-
55.00
- 55.01
to
-
69.99**
Frequency
SECTION
I.
reference): ±
reference):
LEVELING
response: ± 2dBover
0.05
dB
at
0.02
dB/l0dBstep.
SPECIFICATION
OFF
±
0.5
±
0.5
±
0.5
±
0.5
10
kHz
and
LEVELING
total
IdB)
ON(>10
±
0.05
±
0.1
±
0.2
±
0.4
range.
Hz)
I-I
Page 9
line
ms,
four
times
most
Digital
dBm
accuracy.
Vernier
15
The
(3320A
to
rated
range,15 ms;
except
response
range,
and
amplitude.
range,
in
seven ranges
thus
giving
on
3320A.
month.
75
n.
to
-
69.99
s
0.01%
controls,
loop
*
0.01%
on
3320A.
per
into
dBm
HP
112388.
<
1.5
±
line.
panel
leveling
frequency
frequency
Only
Control
HP
11238A.
±
line.
frequency
programmed
only
Only
Control*
HP
11237A.
setting
oven.
Oven*
n.
24.99
rl.
kit
time:
time:
non-isolated.
front
and
of
3320B
Remote
kit
time:
non-isolated.
of
be
available
frequency
3320A
Remote
kit
10
of
7
10
/mo.
7
lOS/day.
3320A/B
Crystal
into
75
control)
+
to
75
3320A!B
Impedance
accessory
settling
settling
low,
plus
remote
All
overrange,
control
004
BCD
accessory
settling
low,
plus
remote
control
may
is
not
of
003
BCD
accessory
part
in
part
in
part
in
stabilized
002
11
dBm
remote
only):
referenced
001
Output
order
and
60
ms.
and
"1"
state
40
in
remote.
digitally.
of
amplitude,
of
frequency,
remote
Option
Parallel
order
60
ms.
and
"1"
state
24
overrange,
the
Vernier
level
control
Option
Parallel
order
± 1
± 1
± 1
temperature
Option
Reference
to
+
under
(3320B
output
Option
75
Ohm
TTL,
digits
TTL,
required:
of
remote
in
dBm
installation
switching
% range,
switching
lines
required:
are
disabled
controlled
four
digits
full
digital
installation
switching
lines
optionall.
plus
30%
digit
of
output
digital
installation
accuracy:
stability:
crystal
- 2
dBm
range
and
field
±
0.001
levels:
Four
field
± 0.001 %range,
levels:
are
field
term
only):
(-75.00
For
Amplitude
Frequency
logic
Control
switCh,
are all
In/Out.
G)
Allows
=
For
Frequency
logic
Control
(two
digits,
significant
control
if
Allows
For
Frequency
long
5
MHz
Amplitude
Attenuation
to
front
BNG.
BNG,
main
MHz.
1
MHz
mV
female
Can be
dBm
turn
output
depending
but
remains
Tracks
rear panel
rear
5
from
200
002).
crystal.
(+
26.99
dBm
3/4
n)
female
female
for
or
MHz,
a
50
n,
-
69.99
through
as
counter
(into
50
output
signal.
to
front
is
available.
2.5
20
MHz
with
(Option
temperaturE;
into
to
SECTiON
range
SECTION
sine
wave.
be used
rms
as
main
nl.
rear panel
Rear panel
offset
of
performance
cable
output
2
MHz,
of
locked
available
ambIent
C.
0
3320A/B
watt)
dBm
May
mV
wave,
33
MHz
be phase
to
+ JOoC.
C
to
55
dB.
contrail
dBm
(1/2
+
13
BNG.
setting.
and
158
frequency
(>
0
dBm/50
sine
offset.
to
internal
or
rear panel
MHz,
subharmonic
may
oven
20
MHz
-
40
0
OoC
GENERAL
50
n.
0.01
under
remote
26.99
33208
AMPLITUDE
50
n.
(not
programmablel.
dBm
to
3320A
AMPLITUDE
female
level
mV
rms
same
rms/50
n
output:
rms/50
n.
20
MHz
20
MHz
No
degradation
by
routing
front
female
connector.
(e.g., 1
that
is
any
3320A/B
crystal
standard:
temperature:
resolution:
into
SOn).
dBm
range: +
range: 0
Rear panel
output
50
output:
mV
reference
mV
with
output:
outputs
output:
BNC
10
MHz
signal
the
MHz
reference
temperature:
impedance:
5 V
rms
C·
73.00
impedance:
panel
control
wanted.
on
main
between
Low
level
>
220
MHz
>
100
output
Tracking
output.
BNC
connectors.
easily changed
10
MHz).
through
2 V
rms
locking:
5
frequency
J·2
Storage
Operating
Output
Amplitude
Amplitude
Output
Amplitude
Auxiliary
Rear panel
Phase
Optional
Internal
Hz,
to
63
3320AjB
Hz
48
Model
basisl.
10%,
V ±
on
special
230
or
kg).
kg).
V
(27,5
kg).
(26,7
kg).
operation
115
lb.
Ib
61
(21,3
59
(20,4
Hz
lb.
45
(400
drawing:
Shipping:
471b.
Shipping:
110
W,
requirements:
OPTIONS
Outline
3320B:
3320A:
Weight
<
Power
10
(local
Hz
100
Hz
Hz
10
kHz
100
kHz
kHz
10
MHz
Range
resolution:
overrange
ranges:
range:
1000
1000
Frequency
30%
Frequency
Frequency
0.01
Hz
HZ}
Hz
kHz
kHz
kHz
MHz
Hz
10
10
10
100
100
Hz
Hz
Hz
Hz
kHz
kHz
remotel
Out
1000
1000
0.01
1 Hz
1
10
or
0.1
100
10
all ranges.
Vernier
on
Hz
0.1
Hz
1
Hz
10
Hz
100
Hz
1
kHz
(remote)
Vernier
In
in
7 ranges.
In
mHz
1
mHz
Hz
Hz
1 Hz
10
Hz
(local)
Optional
MHz
0.1
0.01
0.1
Vernier
to
13
0.01
mHz
0.001
Hz
0.01
Table 1-2. General Information.
Section I
Page 10
Model 3320A/B
Allows
functions.
and
7-bit
3320B's
mer.
programmer
This
of
bit~rallel
(..!)
then
accept
parallel ASCII
(with
TheHP3260A
option
the
line.
Full digital isolation is
Timing:
this
for
requires 8 digital
eight
are
maxof5 J,l5
GPIB
Remote
Option
word-serial digital remote
A
33208
instructionsina serial
this
programming
with
code.
Duetothe
option)
maybeprogrammed
Marked Card
option.
standard
per
word
Control*
007
33208
this
option
Programmer
input
lines
input
lines
with
requiredtoinput
Table 1·2. General Information (cant'd).
Only
control
will recognizeanaddress
fashion.
addressing
this
for
and
oneisa
option.
Instructions
feature.upto
from
maybeusedasa
full
control.(!)
program
one
data
of
are
program-
seven
command
data.
Logic Level Requirements
all
in a
ten
"Low"
"High"
Adds
two
greater
resolution
of
specifications).
remote
options
F.or
field
installation
lower
State
(logical
(logical
frequency
for
These
are
for
All
oV
"1")
contact
through
"0")
+
2.4
contact
100
Hz and10Hz Ranges·
Option
006
ranges,
low
frequency
two
order
ranges are
accessory
installed.
Digital
Remote
Requirements
to
0.4V(5
closuretoground
<
80
ohms.
V
to
+ 5 V
closuretoground.
3320A/B
100.0
Hz and
outputs
(see
fully
programmableifdigital
kitHP11240A.
rnA
or
Control
max.)
or
removal
10.00
Hz,
resolution
Section I
Options.
of
yielding
section
Logic level
and
the parallel BCD
accessory
requirements:
settling
kitHP11239B.
times
(sameasparallel BCD
for
frequency
remote
and
option.
amplitude
For
field
remote).
are
the
installation,
Switching
sameaswith
order
overrange digit, and a vernier control that provides two
of
digits
resolution. A range control provides five ranges
1000 Hz, 10 kHz,
output
frequencies are derived from a precision single
100kHz,
1000 kHz, and 10 MHz. The
of
frequency source by an indirect synthesis technique.
1-8. In the 3320A, the
0-13
dBm continuous potentiometer. Maximum
output
voltage is I V rms into
amplitude is selected by a
50
fl. The 3320B has a range
output
+26.99 dBmto-{)9.99 dBm with a resolutionof0.01 dB.
of
The output amplitude can be selected in steps
0.1 dB, 1.0 dB, or
is
3320B
1-9.
5 V rms
OPTIONS.
10 dB. Maximwn
into
50
fl.
output
0.0 I dB,
voltageofthe
1-10. The 3320A/B seriesofinstruments include a total
nine options. These options are as follows:
3320A
Options
00100175
002
003004Parallel
006006100 Hz and 10
3320B
Options
fl
Output
Description
Impedance
002Reference Crystal Oven
BCD
Remote Control
Hz
GPI B
007
Remote
Control
Ranges
1·11. The 3320B Option 007, GPIB (General Purpose
Interface Bus) Remote Control utilizes a seven line data
bus, a three line transfer bus,and four additional control bus
to
lines
and the transfer bus. Data information
manage the flowofinformation over the data bus
is transferred in an
ASCII (American Standard Code for Information Interchange) code. For more information concerning this and
other options, refer
Table 1-2, Section
III,
or
your local
to
Sales and Service Office.
of
of
·Field
installable.
Q)
Except
1-12.
ACCESSORIES
last vernier
digit
and
line
SUPPLIED.
switch.
1-13. Accessories supplied with the 3320A/B are listed in
Table 1-3.
Table
1~3
Accessories SupDlied.
03320-84401
1·14.
ACCESSORIES
~p·Model
or
Part
No.
11235A
<ltv
1
1
AVAILABLE.
Description
Rack
GPI B
Mounting
Adapter
Kit
1·15. Accessories available for the 3320A/B are listed
changes have
been made in the instrument since this manual was printed,
a "Manual Changes" supplement supplied with the manual
will
define these changes.Besuretorecord these changes in
in
your manual. Backdating information
Section VIII
ad;lpts the manual to instruments with serial number
prefIxes lower than those shown on the title page. Part
numbers for the manual and the microfIche copy
of
manual are also shown on the title page.
in
the
1·3
Page 11
Model 3320A/B
Section II
SECTION
INSTAllATION
2-1.
INTROOUCTION.
2-2. This section contains information and instructions
necessary for the installation and shippingofthe Model
3320A/B Frequency Synthesizer. [neluded are initial
inspection procedures, power and grounding requirements,
environmental information, power cord information, inter-
facing and instructions for repackaging for shipment.
2-3.
INITIAL
2-4. This instrument was carefully inspected both mechani-
cally and electrically before shipment.Itshouldbefree
mars or scratches and
receipt. To
ted for physical damage
performance should be tested using the procedure outlined
in Paragraph 5-7. [f there
warranty inside the front coverofthis manual.
2-5.
POWER
INSPECTION.
in
confum
this, the instrument should be inspec-
in
is
REQUIREMENTS.
perfect electrical order upon
transit. and the electrical
damage or deficiency,
see
the
II
grounds the instrument. The offset pin on the power cable
is
the ground wire.
2-9. To preserve the protection feature when operating the
instrument from
two-prong adapter and connect the pigtail on the adapter to
power line ground.
of
a two-contact outlet, use a three-prong to
2·1a.
2-6. The 3320 can be operated from any sourceof115 V
±
10%
at 48to66
panel contains the switch for selecting 115 V or 230 V
operation and the input power fuse. The instrument leaves
the manufacturer with the 115 V/230 V switch
115 V position. It is necessary to set the switchinthe
230
V position when operating from a
the following procedure and Figure
115 V/230 V switch:
a. Disconnect power cord and slide the cover to the left
to gain access to the fuse compartment (Figure 2-1a).
b.
Remove the Line Fuse by pulling outward on the
Fuse Puller (Figure
c. With the Fuse Puller positionedasshown (Figure
2-1c), set the 115 V/230 V Selector Switch to the position
that corresponds with the line voltage to be used.
d. Replace the Line Fuse using a 3
operation or a 1.5
2·7.
GROUNDING
2-8.Toprotect operating personnel, the National Electrical
Manufacturer's Association (NEMA) recommends that the
instrument panel
3320A/B
which, when plugged into
is
Hz.
The power receptacle on the rear
in
the
230
V source. Use
2-1
for setting the
2-1
b).
A,
250 V for 115 V
A,
250 V for 230 V operation.
REllUIREMENTS.
and
cabinet be grounded. The Model
equipped with a three-<:onductor power cable
an
appropriate receptacle,
!IM
!ij~~Ji
111/
,~
"-
1~1111J11~{
IL..J
~
F
J:;
c.
2
II
"'
I
7~·,,1;t:
-
f ·...lst.
III
2-1b.
2-10.
1. POWER CORO
2. FUSE
3.
4. FUSE
5.
COMPARTMENT
115
V/230VSELECTOR
PULLER
LINE
FUSE
Figure 2·1. Power Module.
RECEPTACLE
COVER
SWITCH
--,
2-1
Page 12
2-2
shown directly above each receptacle drawing
United States and in other countries. The -hp- part number
(wall
outlet)
2-17. Figure 2-2 illustrates the standard power receptaele
2-16.
POWER
full serial number.
Remote
required is given in Section
description
input/output
Interface Bus, see Paragraph
programming from an external GPlB (General Purpose
2-23. The 3320B Option 007 is designed for remote
2-22.
III.
of
the
is
shown in Figure 2-4. A complete
input/output
connector
GPIB
Option.
signals and logic levels
I-II)
source. The remote
is
the part
configurations that are used throughout the
AND
RECEPTACLES.
CORDS
identify the instrument by model number and
of
the instrument. In any correspondence,
clude the model number and full serial number
theservice orrepairto
instrument identifyingthe ownerandindicating
....
.,.
.......
,..
Figure 2-3. BCD Remote Connector.
be
accomplished.In·
Packard for serviceorrepair,attachatagtotheIf
is
to be shippedtoHewlett-
NOTE
etc.
INSTRU-
supplied with the kit.
BCD
remote controlled option. Installation instructions are
An
source. The remote
available for converting a standard
11238A for the 3320A, or 11238B for the 3320B)
application. A field installation
connector can
10513-4001) are supplied for external connections.
1251-3056) and
2-21.
signals and logic levels
in Figure 2-3. A complete description
BCD
are designed for remote programming from an external
2-20. The 3320A Option 003 and the 3320B Option
of
the
as
the
(-hp- Part Number
of
connector is shown
3320A
kit
contribute
Section III.
to
given
in
input/output
wired
connector covers (-hp- Part Number
is
be
two
interfacing connector (-hp-PartNumber
or
This
3320B
to
the user's
input/output
to
a
is
004
"DEUCATE
and
seal with strong tape or
not
to be used, proceed
wooden box
protect the panel face with cardboard
the instrument
"FRAGILE".
or
and
an
inner container.
the original container is
If
MENT".
d. Mark the shipping container
metal bands.
heavy carton
C. Place the instrument and the inner container in a
strips.
instrument
b. Place packing material around all sides
placing in
a. Wrap the instrument in heavy paper or plastic before
follows:
2-15.
or
metal bands.
appropriate packing material and seal well with strong tape
2-14. Place the instrument in the original container with
8120-1348
the appropriate
Model 3320A/B
2-19.
BCD
Options.
8120-1351
3320
power cord, power input
and
a replacement cord
If
receptacle.
that
8120·1369
included with the instrument," notify the
power cord eqUipped with the appropri-
not
3320
Remote
2-18.
INTERFACING.
is
to
be
to
used; 2-15
to
158° F).
are furnished as
and
replaced
be operated where
not
mters
removed
FOR
SHIPMENT.
to
70° C (- 40° F
or stored where the ambient tempera-
be
out
the perforated covers. The
is
equipped with a cooling fan
REQUIREMENTS.
if
it
or
of
be
Para-
not
Figure 2·2. Power Receptacles.
8120-1689
(lEC).
set forth by the International Electrotechnical Commission
receptacle and mating connectors meet the safety standards
will be provided. The
nearest -hp- Sales and Service Office
is
power cord
ate mating plug for
number for a
have any questions, contact your nearest -hp-
the original container
you
if
131°F)
the rear panel and
on the rear panel. The instrument should
locations).
Sales and Service Office (See Appendix B for office
is not.
If
graph 2-14
repackaging the instrument for shipment. Refer
2-13. The followingparagraphs contain a general guide for
2-12.
REPACKAGING
ture range exceeds - 40° C
to
(32° F
the ambient temperature range exceeds 0° C to 55° C
spares. The Model 3320A/B should
flushed with soapy water. Two extra
filters for the cooling fan can
air
into
mounted in any manner which would obstruct the flow
mounted
2-11. The Model 3320A/B
2-10.
ENVIRONMENTAL
Section II
Page 13
Model
3320A/B
Section
11
"
....
".-
..
,.
Figure 2-4. GPIB Remote Connector.
2-24.
Remote
007
include
Programmer,
2100
series
usedtointerface all -hp- GPIB SOurcestothe
input.
programming sources for the
the
-hp- Model
the
-hp-
computers.
9800
The
3260A
series Calculators, and
-hp-
11235A
3320B
Option
Marked Card
the
Adapter must
3320B
remote
-hp-
2-25. There are three GPIB bus cables available (See Table
2-1). Up to
15
instruments
may be
connectedinparallel
using these cables; however, the following two restrictions
mustbeobserved.
1.
When
more
than two instruments
the bus,
the
cable length added for each additional
instrument cannot exceed six feet
2. The total cable lengthtoall
51
feet.
The
cables
are
listed with their respective lengths,inTable
2-1. A typical bus
system
Table 2·1. GPI B Bus Cables.
Accessory
is showninFigure 2-5.
Number
units
Length
are
connected to
per
unit.
cannot
exceed
not required. However,
modification must
3260A
CABLE
(For
use
1.
Remove the
interface
2.
Move
the
Move
3.
4. Move
5.
the
the
Replace the screws
four
cardonthe
violet
white
key from pin Jtopin T.
the
following
be
performed
(03260-61605)
with
3320B
Screws
holding the cover on
endoftheWICable.
wiretopin
wiretopin
and
8.
18.
covers.
card
for
proper
operation.
MODIFICATION
Option
007)
reader
cable
the
be
6.
The
modificationiscomplete.
2-27. The -hpthe 3320B using the -hp1063IA/B/C
2-28. The -hp- Model
canbeinterfaced using
The
59310
card,
and
11235A Adapter must be used
supplied with the
9800
series Calculators can be interfaced
1I144A
GPIB bus cable,
and
the
2114,2115,2116
the
-hp- Model
kit
includes an interface cable, a
computer
9820,01,
CAI..CUI..ATOR
3260,01,
"
MARKED
PROGRAMMER
<CONTROLLER)
~~
59310
CARD
programming
kittothe
(2
FT.
MAX.)'
GPIB
.us
CABLES
3320B.
Interface Card, a
11235A
or
59310
2100
Adapter.
computers
Interface Kit.
computer
instructions.
to
interface the cable
3490A
lTAL~ERI
""
(LISTENERl
An
to
I/O
-hp-
10631 A
106318
10631C
2-26. The -hp- Model
3260A
its own interface cable.Ifthe
No. 03260-61607, an
interface the card reader
cable
is
-hp- Part No. 0326Q-61605,
11235A
to
3ft.
6
ft.
12
ft.
Marked Card Reader supplies
card
reader
Adapter
the
3320B.Ifthe
the
cableis-hp-
must
be used to
11235A
card
Adapter
Part
reader
r--
6
FT.
MAX.
----
FREQUENCY
COUNTER
(TALKER)
(LISTENER)
is
Figure 2-5. Typical
GPIB
33208
FREQUENCY
SYNTMESIZER
( LISTENER)
".0.,.
••·»'·
Bus System.
2-3
Page 14
(BCD
out
of
from
Must
crystal
oscillator
MHz
External
and
007
of
Synthe~
attenuatar
30
dB
pad
jack.
output
jack.
5
MHz
assembly.
003.
004,
Oscillator
offset).
portion
boar-d. Indicates selected
electronic
front
panel
power
Signal.
for
Reference 5
Reference
MHz
Generating
follows
through
jack
from
front
Oscillator.
input
Lock
Input
3·14,
3·17),
for
options
of
with
20
Mixer
Comes
Backdating)
rear
as
board.
Frequency
from
Amplitude
to
output
Reference
Includes
Phase
Lock:
connector
Lock
output
front
panel
of
Output
dB).
OUTPUT:
VIII,
Manual
Same
and
adjustments.
002
power
input:
or
External
Phase
GPIB)
(Paragraphs
input
Phase
out
connector
Oivided
MHz:
(9.99
amplifier.
LEVEL
Section
output:
MHz:
output
Option
@
@
Ac
Oven
®
External
and
®
Remote
Reference
@
1
sizer (tracks
frequency
@
2~33
5etting
output
LOW
(See
move cable
Rear
@
3-0
Figure 3-1. Controls, Indicators, and Connectors.
+
26.99
dBm
=
-69.99
dBm,
0.01
dB
ohms.
from
stability.
1000
5 ranges
oscillator
significant
digit
resolution.
50
Hz(ParagraphJ.121.
kHz,
third
into
50
ohms_
loop
MHz
or
output
dBm
Short
10
in
standard
on
frequency
digit
3·7).
of
0~13dB
+
26.99
kHz,
of
con-
to
off
of
= 5 V rms
V rms
into
amplitude
10
amplitude
kHz,
100
of
frequency.
Turns
vernier
overrange digit (Paragraph
most
significant
3320B
for>the
control.
10
least significant digits
second and
for
output
loop
range
OUT:
two
for
Sets
Hz,
(Paragraph 3·71.
controls
adjustment.
3320A=1
(ParagraphJ.91.
Hz.
Long
Controls
on/off
~
1()()()
Controls
3·7).
Controls
controls
Also
control
jack:
dBm
<
10
Power
IN/VERN
frequency
tinuous
CD
Output
-
69.99
CD
AMPLITUDE:
for
CD
LEVELING:
CD
LINE:
(Paragraph 3-7).
instrument
RANGE:
(ParagraphJ.71.
VERN
(Paragraph
o
Vernier:
output
Frequency
frequency.
Frequency
Model
3320A/B
@
CD
OUTI'UT
@
@@
@@@@
CD
~I'-"
LEvELING
LINE
.:
•
n••o
won
•••
FReQUENCY
...09........
••
Mt*..<f'
:53208
III
Section
00
CD
"""
......
SYNTHESIZER
Page 15
Model 3320A/B
SE
CTI
OPERATING INSTRUCTIONS
3·1.
INTRODUCTION.
3-2. This section contains information necessary for opera-
tion
of
the ·hp- Model
Included are descriptions and identification
rear panel controls, indicators and connectors, operating
and
instructions,
3·3.
CONTROLS.
34.
A brief description
connectorisgiven in Figure 3-1. Controls, indicators
connectors requiring additional information are referenced
to
descriptive paragraphs within this section.
3·5.
FRONT
3-6. The following paragraphs contain information for
setting frequency, amplitude
information
connectors.
3·7.
Frequency.
3-8. The
tion plus an overrange digit. The frequency
by the position
controls (VERN IN/VERN OUT and vernier frequency).
the
and
QUENCY controls set the three most significant digits
the overrange digit.
point. The vernier controls allow the operator
additional digits
vernier control
additional digits are always 00. Table
settings for maximum
positions.
Range
Hz
kHz
kHz
kHz
MHz
3-9.
Amplitude.
3-10. The 3320A
remote
PANEL
on
remote programming and input/output
3320A/B
of
three FREQUENCY controls. Thc three FRE-
is
Table 3-1.
Frequency
3320A/B
programming information.
INDICATORS
of
Frequency Synthesizer.
and
CONNECTORS.
each
control,
OPERATION.
and
leveling. Also included
provides
the
The
of
frequency from
in
(MAX)
1299.
12.99
129.9
1299.
12.99
output
five
digitsoffrequency resolu-
RANGE control, the two Vernier
RANGE
the VERN
output
Frequency
Digits
control places the decimal
00to99. When the
OUT
3-1
shows the control
in each
Control Settings_
amplitude
of
Verniet'"
(MAX)
is
of
front and
indicator
is
to
position. these
the
Digits
99
99
99
99
99
adjusted by a
and
and
determined
and
adjust two
five
range
0 N
is
III
0-
13 dB porentiometer. Maximum
3320AisI V rms
3-1
I. The 3320B
front panel AMPLITUDE controls.
+26.99 dBm
are obtainable. Each amplitude control operates independently, allowing changes
in
the
output
50
into
3-12.
3-13. The 3320B frequency responseisdetermined by the
position
10Hz,
position. This prevents the thermopileinthe leveling loop
from responding
sinewave. For frequencies above
respond only
therefore, the LEVELING control should be
(>
3-14.
3-15. The 3320A Option 003
be remotely programmed with an 8-4-2-1
functions
exception
power switch.
med with the exception
power switch. There
therefore, the program lines must be held until the program
is
the signal inputs for each pin. Paragraphs 3-16 through 3-33
explain each
input/outputs
ohmsor10
Leveling.
of
the LEVELING control should be
10Hz)
REMOTE
changed. Figure 3-2 shows the BCD input
L
LOW
HHIGH (logical
3-16.
Remote
3-17. The signal
local modeofoperation (REN
= local). When the
mode, the
into50ohmsor2 V rms open circuit.
output
to
-69.99 dBm with a resolutionof0.01 dB
level. Maximum
V nTIS open circuit.
the LEVELING control. For frequencies below
to
to
the true rros valueofthe
position.
BCD
of
the
3320A
of
amplitude, the last vernier digit, and the
All
functionsofthe 3320B can be program-
input/output
are as follows:
State
(logical"
amplitudeisadjusted by four
of
0.01 dB.
the instantaneous valueofthe
PROGRAMMING.
can be programmed with the
of
is
no internal storage capability,
signal. logiC levels for the BCD
I
")
"0")
Enable.
input
labeled REN controls the
3320A/B
front
panel controls havenoeffect.
output
output
10Hz,
and
3320B Option 004 can
the last vernier digit and the
oV
max.)
sure
<80
+ 2.4 V
moval
sure
LOW
is
programmedtothe remote
voltage for the
Output
0.1
dB, I dBor10
voltageis5 V rms
the thermopile will
output
BCD
Requirements
to
or
to
ground through
ohms.
to
of
to
ground.
= remote, REN HIGH
Section III
levels from
dB
in
the
OFF
output
frequency,
in
the ON
code.
All
connector
0.4 V (5 rnA
contact
+ 5 Vorre-
contact
and
clo-
clo-
remote/
3·1
Page 16
3·2
code
LOW.
BCD
(·75.00dBm
used, the mini-
an
8-4-2-1
of
amplitude
is
programmed for a
is
of
amplitude
If
the 3320B
is
·73.00dBm
a·
dBm the input level must be
polarity
most significan t digit
33201\-B-2565A
the amplitude. For a +dBm the input level
}
output
remote programming
of
be
selected from 0 to 9. The most significant digit
is
programmed by applying
lower level, the output voltage increases.
Option 001).
mum
When
selected from 0 to 7. The A sign input determines
A sign
A4000
A2000
AIOOO
be
must be HIGH. For
the polarity
can
digits can
representing the digit desired. The three least significant
Each digit
of
amplitude
of
amplitude
of
amplitude
Figure 3-2. BCD Input Connector.
the amplitude. The inputs
as
follows:
of
A800
}
third significant digit
MOO
A200
AIOO
A80
}
second significant digit
MO
A20
AIO
A8
}
least significant digit
A4
A2
Al
representing each digit are
amplitude digits and the sign
3-19. TI,e 16 signal inputs prefaced A control the four
3·18. 33208 Amplitude.
Flag)
senled
Delay
V
~
~
z.
~~
"
~
0
018
013
028
075
02'
013
022
011
020
0"
0"
011
016
015
ou
013
012
010
09
08
0
7
0'
0'
O'
03
02
0'
018
013
028
0"
0"
013
022
02>
020
0"
0"
011
016
015
0"
013
U
~.
uO
012
HOela.,
In'llatl'
InItIates ,he
Delay
Sl!qutOCI
L
Delay
InHialt'
In,t,alutht
Delay
StQuence
(other
cardsl
Flag
for
.hef
40 bit
-loa
••
- OUT:
IN·lo·nv
wmpulel aller
ufd)
-hp.
Enable
for eompulrI
10'
Frequency
INfOUT
I hp· 40 bit
Flag
Orlay,np"'l$
•15V
•
Pola,i'yoIArnp-.
Rem011
Vffn,e.
Vim",
Amplitude
Detay
hIS
Orlay h)$ 21tled
ard
(.
Ret
OV
Hi
••
5 V
Hi'
,5
D'
••
V'
A'
F • FrtqlllllCY
Flag'
Fllog·
Rei'
sign
REN'
v
L
Delay
• Atl Delay
•
A
5;
~~
~
A
010
09
08
07
0'
0'
O'
03
02
0
I
'"
F1
RI
V
-
• Rri
FlOOD
FlOO
F80
FlO
"
"
02
Le~eling
In,llale
Flag
'"
AI
'"
A40
Al00
A400
AlOUD
A."
Ground
Delay
H Delay 1000"lt
L
Delay
L
"
f1
Rl
Flag
F800
F<OO
FlOO
F40
FlO
V,"
VF1
VF'
A2
AS
A20
A80
Ground
Dela.,
A20a
ABOO
A200D
AWOO
t
Ref
Model 3320AjB
Section III
Page 17
Model
3320A/B
Section
I1J
Example
3-20.
3-21. The 13 signal
most
The
Each digitisprogrammed
representing the digit desired. All frequency digits
selected from 0 to 9.
or
3320A/B
amplitude
desired
LSD
Al
A2
A4
A8
3
rdSD
AIOO A200
MOO
A800
program:
amplitude
H
H
LA40
H
H
L
H
H
-
12.34
2
AIO
A20
A80
MSD
AIOOO
A2000
MOOO
A
nd
sign
dBm
SD
and
L
L
H
H
Sign
L
H
H
L
Frequency.
inputs
significant
inputs
FI
F2
F4
F8
FlO
F20
F40
F80
FIOO
F200
F400
F800
FIOOO
a
I.
NOTE:Although the maximum frequencyofthe
frequency
representing each digit areasfollows:
least significant digitoffrequency
}
}
second
}
is
most
overrange digit
specified as 12.99MHz. it
prefacedFcontrol
digits plus the overrange digit.
significant digitoffrequency
significant digitoffrequency
by applying an 8-4-2-1 BCD
The
overrange digit can be
is
the three
either
possible to
program a higher frequency. However, the response
specified and will deteriorate.
Example
frequency
desired frequency
LSD
FI
F2;
F4
F8
; H
Program:
H
L
H
12.34
MHz *
2
nd
FlO;
F20
F40
F80
SD
L
L
H
H
Can
is
code
be
a 0
not
3rdMSD
FIOOH
F200
F400
F800
* MHz RANGE
3-22.
Vernier.
3-23. The signal
inputs
vernier
in/out
vernier digit can be
accomplished by applying an 8-4-2-1 BCD
senting
3-24.
3-25. The
position
a
the
by applying a 4-2-1 BCD
the range position desired. The following list identifies
range position by
3-26.
3-27. The signal
mode
LOW
frequencies) mustbeconsidered when selecting the leveling
mode. If a frequency
leveling should
any
loop (see Paragraph 3-12).
10Hzisprogrammed,
ON(>10 Hz).
3-28.
3-29. The two signal
input/outputs
Initiate,
response timeofthe
3-30. The delayissimply an internal clock which
for the time interval
During
prefaced
frequency.
are
HIGH;
the digit desired.
Range.
three
of
the range switch. Each
number.
There are five range
3320A/B
leveling.
of
operation
=
OFF).
distortionofthe
Delay
and
+ Ref.
the
count
labeled Delay Flag, L Delay Initiate, H Delay
L
H
H
programmed
input
prefacedVand
VF
control
Programming
out
and
remotely
signal
inputs
Option
The programmed frequency
number
0;
I;
100
2;
1000
3;
4;
5;
1000
6;
input
(leveling
be
programmed
10
10kHz
100
3320B
006).
Programmingisaccomplished
code
and
HZ}
Hz
Hz
kHz
kHz
10 MHz
labeled Leveling
HIGH;
of
10 Hz or
output
the leveling
Response.
inputs
and
+ Ref. Delay Flag
3320A/B.
programmed
sequence, the clock
Overrange
FIOOO
(See Paragraph 3-24).
the
vernier
conditions
LOW;
programmed.
prefaced R
positionisdesignated by
positions
representing
respective range:
Option
ON(>10Hz),
Jessisprogrammed,
OFF.
causedbythe leveling
If
a frequency greater
shouldbeprogrammed
prefaced D and the signal
by the
; L
the
four signal
in/out
and
for vernier
in. Only the first
Programming
code
control
available (seven in
the
number
006
controls
This will eliminate
control
Oland
outputs
the leveling
leveling
(or
group
the delay
D2 inputs.
a flagtothe
counts
the
repre-
the
for
the
the
than
and
is
of
3-3
Page 18
34
76
0
1
0
1
0
1
1
10
01
00
1
1
0
1
11
10
0
1
0
0
00
0
01
00
1
1
0
0
1
2
1
as
in
outlined
110
01
0
00
000
0111
0
1
0
1
0
00
0001
0000
1
1
01
1
001
0111
0
11
1
0
1
0
01
0
0
I
10
4
111110
75
1111
1
1
0
01011
0
0
00
000
0
00000
20
74
73
111
72
111
71
111
70
111
67
11
66
11
65
11
641101
63
110
62
11
61
11
60
11
57
1
56
1011
55
1011
54
10110
53
1
52
1
51
101
50
1010
47
1
10
46
1
45
10
44
43
1
42
1
10
41
40
1
Table 3-3.Addressing Codes.
Addressl
pro-
40
the following paragraphs.
to receive programming information
3320B
which allows the controlling instrument to instruct the
the
the
of
the
the local
by
to
(delay
in
slowed to
10Hz),
mode
is
be
(>
..J
low
frequellcies are
remote, the response
the
3320B
all
other delay codes, the
is
accomplished
is
ON
the fast
the slow mode.
example, the 3320B GPIB option has only a listen address,
if
it can both receive and transmit data. For
if
it
can transmit data, or both a listen and a talk
if
it can receive data, a talk
An
instru-
an
external controller. This enables the
that
be
selected
is
assigned
in
it can
of
15
instruments may be connected
is
used
to
transfer data on the eight data lines.
address (or addresses) so
address
address
ment will have a listen address
communicating on the bus at any given time.
external controller to determine which instruments will be
individually by
an
parallel to the bus. Each instrument on the bus
3-36. A total
code format
will
go
LOW.
40
bit BCD Interface
is
standard
the delay sequence
is
LOW
true
outputs
Timing Sequence.
laDle
~·2)
VARIABLE
if
to
to
NOTE
in
When
3.
With
programmed for a low frequency
When
output
TIME
is
the + Ref. input. The + Ref. Delay
BCD
(See
always
of
to
necessary to have a HIGH true delay
--
DELAY
.L.
is
the -hp- I 2556A
is
(American Standard Code for Information Interchange)
contains eight data lines and seven control lines. The ASCII
is
in
Figure 4-8. Each bus
shown
typical GPIB bus system
single data/control bus with several other instruments. A
+4 V
compa-
of
TTL
not
is
control option permits the Model 332GB to operate on a
3-35. The GPIB (General Purpose Interface Bus) remote
NOTE
DELAY
FLAG
FLAG
(delay code 3).
0)
Therefore,
going from local
in
the fast mode.
the
3320B
in
progress.
held at the + Ref. potential while the delay
applied
as
Figure 3-3.
REF
- - - - - - - -
mode
is
is
be
be
o +
~
~Ef-
0
~1'
DELAY
slow
programmed, the response should be set
code
is automatically set
When
When
will
sequence.
applied to this input to initiate the delay
tible. It may require a minimum
The H Delay Iniate input
mode, the response
response
gramming a delay code
eliminate the distortion. This
3320B amplitude section. This response can
output can become distorted due to the response
(below 1000 Hz) and the leveling
3-33.
completed, the + Ref. Delay Flag
sequence
Flag
Card) can
controller (such
flag, the positive reference voltage from the external
TTL logic. When it
available. The L Delay Flag
3-32. There are also two delay flag (Holdoff Flag)
rated
3·33).
accuracy
within
i %
- -
- -
Amplitude
Model 3320A/B
~
Range
PROGRAMMING.
- -
-
.001
.01
Tolerance
FrequencyTolerance
%
of
ms
ms
GPIB
1500
300ms
GOms
15
Time
3-34.
REMOTE
..
Response in slow mode (See Paragraph
• 3
2
1
0
CodeInterval
Delay
Table 3-2. Amplitude and Frequency Settling Times.
Delay
output
If
the strobe
Initiate
HIGH true, the H Delay Initiate input must
the strobe
is
available.
input
must
be
used.
is
LOW
true, the L
be
used.
If
from the external controller
from the controller
output
Delay Initiate (data strobe). Two Delay Initiate inputs are
is
by
programming a
started
of
rhe delay.
3-31. The delay sequence
the timing sequence
the frequency and amplitude have sertled. Figure 3-3 shows
codes, the clock time interval and the tolerances to which
the 3320B amplitude has sertled. Table 3-2 lists the delay
determine the accuracy which the 3320A/B frequency and
to
monitored
This
tlag
can
be
external controller.
Section III
Page 19
Model 3320A/B
is
3-37. The listen address for the 3320B
ASCII character
means
of
3,
internal
octal code 063,
jumper
wires on the GPIB Input
but
normally the
may be changed by
Assembly (A37). Instructions for changing the address are
in Note 2, Figure 7-14. Table 3-3 lists the different
given
addresses which can be assigned.
3-38. A principal advantage
all information is routed over the same
reason standard cables are used
to
the bus. SectionIIlists the GPIB bus cables available.
3-39. For convemence
line
is
identified by a mnemonic, which isanabbreviation
of
the signal name. Table 3-4 lists the seven control lines
·Address
Amplitude
Command
Delay
Frequency
Vernier
Vernier
Range preface
Vernier
Polarityofamplitude
Polarityofamplitude
amplitude,
Function
local
Digits
clear
code
"IN"
"OUT"
preface
for
vernier,
execute
enable
optional
(A6
preface
(initiates
preface
preface
address·;
frequency,
etc.
MAE.Onthe
assembly)
1II
delay)
277).
An H preceding a mnemonic indicates
3-40.
is HIGH true, L indicates
DAV
indicates
Valid signal.
thataLOW
All
GPIB lines are
LOW
true signal is required for a data
is true. For example, L
LOW
that
the signal
true except H RFD
and H DAC, which are HIGH true. Table 1-2 lists the signal
levels required.
NOTE
In the 3320B the Data Input/Output bit 8
(DI08) and Service Request (SRQ)
are
not
used
(no connections).
3-41.
All
3320B front panel functions are programmable
with the exception
Table 3-5 lists each
of
the last vernier digit and the line.
of
the functions and the octal codes,
the ASCII character for each code, and the seven bit binary
is
code for each octal code. The binary code
Input
lines
on
seven Data
nectar. Figure
and the
input/output
3-4 shows the remote connector pin numbers
signals for each pin.
the remote
appliedtothe
input/output
con-
CIRCUIT
SIO£
IOOTTOM
B
For
Bil
Bit
Bit
Dala
0_
2
DB
.(
DC
6
00
DE
OF
OH
OJ
OK
OL
0.
ON
OP
OR
Os
OT
OU
OV
III
III
III Oil.
III
(ll
(til
III
III
Dalil
Dilil
Data
Remote
Oil'
Multiple
Enable
Delay
GND
Input
Input
Input
Input
Acupled
Rap,)n5:\!
Flag
GND
(ll
eala
InpUI
III
Dilla
InpUI
III
Dilla
Input
(ll
Dati
Valid
IHl
Ready
tLl
End
Output
Bit
Bil
Bit
Bill
Enable
1
3
5
COMPONENT
,~
01
02
03
04
05
05
01
0'
0'
DID
011
012
013
014
015
018
011
o
1B
SlOE
_
Figure 3-4. GPIB Input Connector.
is
3-42. The first step in GPIB programming
to address the
3320B. Addressing is accomplished by applying the address
code
to
the data line, setting the MRE (Multiple Response
LOW,
Enable)
and setting DAV (Data Valid)
example program is listed in Table 3-6. The 3320B does
LOW.
An
not
3-5
Page 20
3-6
the
that
is
processing it.
to
the controller
and
data
not
ready for more data. When the 3320B has set
has accepted the
LOW.
signal indicates
3320B
RFD
to
the external controller
The DAC indicates
RFD
the
3320B is
The
that
HIGH and
to
go
may
the local mode
to
3320B
Execute is programmed.
will remain in the local mode
It
and
a
Function
LOW.
is
initially applied, the
held
until the address
even
if
REN
is
the remote mode for a few seconds, then
3-44. When power
set LOW by the external controller, the 3320B will set DAC
LOW.
LOW.
the seven
The 200 bit on the card represents the MRE.
an amplitude polarity
reprogram a specific
all
functions have been programmed
is
applied
the data lines must be accompanied by an
3320B
the
no
Approximately three microseconds after the
previous data,
available on the data lines.
set the DAV
to
applied
lines. When an address code
quence, controlling
Data Accepted (DAC) signals form a
3-49. The Data Valid (DAV), Ready for Data
3·48. Handshake.
the
DA
V.
The strobe marks on the right edge
Marked Card Programmer. The
example program using a marked card for the
instrument assumes a
to
left.
If
Loading sequence
is
programmed the instrument assumes
to
reprogram
to
to
is
desired
3-47. If
Function Execute.
been
strobed
of
99). After each preface
desired digits for that function (ie.,
representing the function (ie., V for Vernier)
function
LDAV. The programming information for each
applied
3320B. The LDAV
seven data lines and strobing
ASCII code, representing the information desired,
tion programming. This
346.
The second step
mode. The
programmed conditions when programmed
assembly,
If
there
LEVELING
DELAy
VERNIER
M.1PLITUDE
RANGE
FREQUENCY
to
1
0
0
1
1
1
1
0
1
1
1
is
:;
a
applied.
MRE
by
00
0
0
0
0
0
00
1
1
N
Amplitude
LOW,
11
42
00
M
dBm
DAVis
into the remote
time.
be
followed
000
0000
0000
11
0000
0101
0
11
0100
10
isisis
..
Codes
-
5.00
3-<i).
L
go
The REN can be set
Enable)
?) is recom-
is why the
this
must
011
011
011
0
0
1
100
111
20
is
"'
Binary
Out,
and
not
at
lines
000011
1
0001
1
00000
11
11
1
1
0
<0
Vernier
the Function Execute (ie., while
LOW.
(Remote
the remote mode (after it has
mode
data
40
into
to
1
0
011
1
01
011
011
01101
0
10
0101100
0
100
1010010
0
0
01
01
0
is
0000
~
the
100
remote
to
to
or
delay.
kHz
frequency
Table 3-6. GPI B Programming.
the 3320B will
the 3320B
Bus.
goes
applied
103
054
104
054
060
060
065
055
115
054
060
065
106
054
064
122
HIGH
lOW
063
077""
lOW
Octal Code
State
60
ms
5.0
but
put
GPIB
power is initially applied the 3320B may
lOW.
code
at any time prior
mended prior to addressing any instrument(5)
"Address Clear" command (ASCI!
When
DAV
on the
or may not be addressed. This
"·Instrument
""Each
C
1061
0
0
0
5
A1011
m
0
5
F
'
..
4
R
MRE
REN
Address
Clear
MRE
Instruction
Example:
programming sequence (See Notes, Table
The Function Execute can be applied during the function
mode until the Function Execute
addressing)
LOW
the data lines, and set DAV
HIGH, apply the Function Execute code (ASCII comma)
been addressed) set the REN
3-43. To
DAVis
the
RFD
the
the
a programming instruction
for
will be HIGH
If
This indicates
data
lines,
or
the
hming
and
wiIJ
be
data
is
the DAC
is
not
processing
3320B
that
3320B
the
to
external controller must
is
data
transfer on the Data
se-
and
"handshake"
(RFD),
the
card represent
not
handshake.
of
does
3260A
3260A
3-5
shows an
is
not
programmed, the
th~
leadjng zeros.
or
amplitude
it
is
only necessary
and
it
is
and
the digits have
99
for a Vernier setting
and
the
command
+polarity. Figure
function,
command
two parts, the preface
of
the digits programmed are from right
that
function. When frequency
into
the 3320B, they must be followed by a
in
3320B
is
the strobe pulse. Each seven bit code
the
jumper.
to
and
ON(>
information
accomplished by applying the
go
to
the previously remote
is
in
GPIB programming
will
leaves the factory with no
3320B
between points A
jumper
the
the
to
into
the func-
is
the remote
B on the A38
10 Hz)
1500ms
OUTIO Hz
....•...........
........•......•.......
Hz
dBm
1000 Hz
800
-
69.00
can
to
it
NOTE
mode.
it must be addressed before
to
be in the remote mode
have
Section III
assembly, the
there
is
jumper
be
put
into
of
tion
3-45. When programmed
the remote
be addressed. Conversely.
wire between points A
output
3320B
jumper
a
wire on the A38 assembly (See Figure 7-14).
the 3320B
will go
to
the
conditions listed below:
and
A38
B on the
If
of
a
3320AjB
Model
depends on the position
to
the remote mode, the condi-
Page 21
Model
3320A/B
RFD
LOW
and
DAC
HIGH, the external controller can
remove the
replace
programming
DA
V and the data from the data lines and
it
with new data. The cycle repeals until all
is
completed. Figure 3-6 shows the timing
relationship between the DAV, RFD, and
It~
AOOrtsS·263
vom;'"
-out
Ampli'u<lO··5<18m
Dollly
·00
....
~~;t"A"
I
""E
~ ~
..
'00'
,
Clu,
,
,
•
,
·
,
•
,
,
0
•
,
•
"
•
"
"
,
"
,
"
,
"
"
0
"
,
"
"
,
"
"
"
"
"
"
"
"
"
"
00
"
"
,
uS>:
~
no
J.
[USE
•
'NYO'
._._.
Figure 3-5. Programming Example.
'00
•
•
0
0
0
0
-:=
0
~
0
0
0.:0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SO"'
P(NC«
NOt
....P"IN
CO"~l('fU'
lH'S
"P••"".".""
~."~
,co,
0:_
~:-
-:.-.
0:_
0:_
0:_
c:_
t::l:_
_:0
0:
0:
0,
0:
0:_
_
:000: _
0;_
0:_
_:0
0:0
0:0
0'0
t::l:o
0:0
0'0
Cl:Cl
Cl:O
0'0
0:0
0;0
°io
SHADED
"OE
NO
.(1
•
•
• •
•
UP
DAC
"
•
•
•
•
0
0
•
•
0
0
0
•
•
0
•
0
0
0
0
0
0
0
0
0
0
0
0
0
0
"PU
signals.
o~
.
.:
-:-
oio
oio
0:_
-:-
0:_
0:_
O:D
-:-
-:-
CJ:Cl
-:-
0:_
0'0
0:0
-:-
O:D
-:-
O:Cl
0:0
Cl:Cl
O:D
0:0
Cl:O
oio
Cl:=
0:=
0'0
Cl:O
0:0
0:0
<TOP,
"'._
,
• •
• •
•
0 0
0 0
•
0
0 0
0 0
0
0
0
0
0 0
0 0
0 0
0 0
0
0 0
•
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0
..
Section III
3-50.
It
is
not
necessary for the external controller
monitor the RFDorDAC
are
not
monitored, the external controller must wait
signals. However,ifthese signals
to
approximately three microseconds before removing the
LDAV and the data from the data lines and applying new
data, and approximately two microseconds before setting
DAV
LOW
again. This ensures the 3320B has had time
to
accept and process the previous data.
,
-
-
-
0
-
-
0
-
-
•
-
-
-
•
-
•
-
•
-
•
-
-
-
•
-
•
-
-
-
3-51. The RFD line
programmed (See Paragraph 3-52).
Initiate code (Octal code I
remain
delay. If the
LOW
for the lengthoftime programmed by the
RFD
is
also controlled by the delay
As
soonasa Delay
OJ)
is
programmed, the
RFD
will
Signalismonitored, the user can be sure
the 3320B amplitude and frequency has settled to the
desired tolerance when the
3-52.
Delay
Flag.
3-53. The delay
is
RFD
goes HIGH.
generated byaninternal clock which
counts for the time internal programmed on the data lines.
At the end
of
the
count
sequence, the clock
outputs
a flag
to the external controller (delay flag or RFD). This flag can
be
monitored to determine the accuracy which the 3320B
frequency and amplitude has settled. Table 3-7 lists the
delay codes, the clock time interval, and the tolerances
which the frequency and amplitude have settled. The
programmed delay code must
be
followed by a Delay
Initiate (ASCII character C). This code initiates the delay
sequence. The Delay Initiate code does not have to be
0
,
followed
by
a Function Execute code.
Example: To program a delay
ASCII
Programming
Characters
D - delay preface
I - dclay code (60 ms)
,-
Function Execute
C - Delay Initiate
of
60 ms,
Frequency
Operation
~1000
10Hz
~10
Hz
* Use
**
Denotes
Remote
Hz
~ f ~
delay
Control
of
1000
code3to
amplitude
Hz
Delay
Code
eliminate
within
0
1
2
3'
4
5
6
7
rated
Table
3·7.
Leveling
Mode
On
On
On
On
Off
Off
Off
Off
distortion
accuracy.
Settling Times.
Settling
Time
15
60
300
1500
15
60
300
150p
causedbylow
3320
ms
ms
ms
ms
ms
ms
ms
ms
frequency
Operation
Frequency
Tolerance
(%
of
Range)
.01
.00'
.0'
.00'
and
leveling
Amplitude
Tolerance
,%
"
,%
"
on.
3-7
Page 22
3-8
low.
hold
output
be
programmed.
be
removed.
BUS
GPIB
can
can
Diagram.
or
4 will
data
data
~
~
3
new
the
or
and
Timing
1or2
data
data
and
data.
data.
I
I
line.
, I
a
Iowan
has
processed
has
accepted
has
accepted
is
ready for
,
LINES
Figure 3·6. Handshake
means
DAC
or'ed
instrument
instrument
instrument
instrument
All lines wire
T9 =
Slowest
T
4'"
Fastest
T3'"Slowest
To
'"
Fastest
------.J:l'-.J
I--.--'---i--!--
,,,
III
INST.4
-===t=j'==l~=~~~~t},=,~---J
INST.
3
-
lNST.
2
--J_~:
~
....
--l,------~
I I
by
delay
by
how
when
instrument
~
I
,
I
I
I
I
,
1
I
I
I
I
I
,
,
I
I
I
l:::3lJsec
I
MIN.
OF
I
I
I
I
I
I
I
I
To
*
=i=i="-
I'
LINES
Determined
LINES
::
==~,
RFD
DAC
goes LOW
ADDRESSED
DAC
--------r-"t"-,
UNADDRESSED
DAC
RFD
DAV
DATA
::;
T2 • T4'"Determined
T2 - T3'"
•
if
programmed.
fast
controller
is
addressed.
I
I
I
I
I
,
I
I
I
I
I
,
I
I
I
I
I ::::l2IlUC I
I MIN.
I
I
I
I
I
I
II
,+
T, T,
I
,
,
;
__
-'/
'
,-
T,
RFD
IL_~
To
HIGH.
-,
DAV
sets
5
I
I
I
I
I
I
I
I
I
I
I
I
I
1
T
OF
I
,
-----i---+l==~:i="=~=Li
INSf.
I
----===",
~
Model
3320AjB
LINE
ON
ONE
INSTRUMENT
III
Section
Page 23
Model 3320A/BSection III
3-54.
When
the 3320Bisprogrammed for a low frequency
(below 1000 Hz) and the leveling
output
the
can
ampLi
become distorted duetothe response time
tude
section.
The
response
ON(>10Hz),
can
be
the
of
slowed to
is
eliminate this distortion by programming a delay codeof3.
With
all other delay codes the responseisin
the fast mode.
3-55. The delay code programmed also controls the leveling
modeofoperation (Delay Codes
(>
10Hz),
Delay Code
4-7,
programmed frequency (or group
considered when selecting the leveling mode.Ifa frequency
of
10Hz
or
lessisprogrammed,
programmed OFF. This
33206
output causedbythe leveling loop (See Paragraph
will
eliminate any distortionofthe
3-12). If a frequency greater than 10
be
leveling should
3·56.
End
programmed
0utput.
0-3,
LEVELING
LEVELING OFF). 11,e
of
frequencies) must be
the
leveling should
Hzisprogrammed, the
ON(>10Hz).
ON
be
3-57. The End Output (EOP) signal allows the external
controllertoterminate all activity on the GPIB bus lines.
When
this lineisset low by the controller, the 3320B and
all
other instruments paralleled to the bus lines,
data lines, MRE, DAV, RFD, and
DAC
HIGH.
will
set
all
3·58.
REFERENCE
3-59. The 3320A/B Option 002
with
an
oven
controlled, 5 MHz, reference crystal oscillator.
The signal from the 5
reference phase lock assembly
VCXO. The result
CRYSTAL
MHz
is
an
increase
OVEN.
is
a standard instrument
oscillatorisapplied to the
to
phase lock the 20
in
3320A/B
MHz
output
frequency accuracy and stability (See Table 1-2). An
Option 002 Field Installation Kitisobtainable by ordering
Accessory Kit 11237
3-60. For operation, connect a short jumper cable between
the 5
MHz
OUT and EXT FREQ REF (both on rear panel).
A circuit
diagram
A.
for
the Option
002isshowninFigure
3-7.
To
To
To
XAI7-J
XAI7-H
X.c.17-9
';'1~\1
'OK
'OK
'OK
-I~V
"'-
"-
'-'
L.
5MHI
,
vcxo
~
T
5 Ml'tl
Oul
,
,
nlO~
·8·l
,'s
'"
Figure 3-7. Option
002
Circuit Diagram.
3-9
Page 24
Model
3320A/B
Section
IV
SECTION
THEORY
4-1.
INTRODUCTION.
4-2. This section
3320A/B. Includedisa general description, a simplified
block description. a functional block description, and basic
circuit
theory
4-3.
GENERAL
4-4. The -hp- Model
provides a wide range
with variable
from 0.001 Hz1012.9999
resolution plus an overrange
3320A
SO
amplitudeisvariable
SO
4-5.
3320A/B
amplitudeisvariable from 0 dBmto13 dBm
ohms
ohms
in stepsof0.01 dB, 0.1 dB. 1 dB or 10 dB.
Options
areasfollows:
contains
on unique circuits.
the
DESCRIPTION.
3320A/B
of
accurate
amplitude
by a fronl panel
available
settings. The frequency range
from
+26.99
whieh
theoryofoperation
Frequency Synlhesizer
and
stable frequencies
MHz. Five digitsoffrequency
is
provided in five ranges. The
potentiomeler.
dBm10-69.99
increase
the
The
flexibilityofthe
for the
dBm
OF
into
3320B
into
IV
OPERATION
to a crystal oscillatorinthe reference
3320B.
BCD signals from the controller sectioll.
frequency
COl1lroUer.
0-13
from the
switch settings
4-9.
~-IO.
information
is
inputs
3320A/B
Controller Configuration diagram (Figure 7-6). the
plexityofthe
and
discussion
both
frequency
onlyiscOIHrolled by BCD signals from the
The
amplitudeofthe
dBm fronl panel
controller
or
GPI B
and
amplitude
potentiometer.
are.inturn.
remote
3320Aiscontrolled
cOIHrollcd by front panel
programming.
Controller Section.
The
into
and
Options.
of
controller
from the front panel
BCD
amplitudeinthe
controller
RefertoParagraph
each t:ontroUer type.
section
codes
for controUing the frequency in the
of
the
controls
3320B.Asshowninthe
section varies with rhe
4-19
se~tion.
are t:olltrolled by
In
the
The BCD
33~OA/B
for a detailed block
3320A.
or the
3320
In
the
the
by a
sign31s
processes
remote
com-
Model
OPTION
001
002
003,004
006
007
The discussion on
options
4-6.
SIMPLIFIED
4-7. Introduction.
4-8.
The
controller,
The
4-1).
frequency section
where it
determined.
75
A high stability reference oscillator.
BCD
Two eXLra ranges
GPI B
where applicable.
3320A/B
frequency,
signal
is
translated
Both
DESCRIPTION
ohm
OUlput
(Increases frequency stability
curacy.)
remole
increase
100.00001
theory
BLOCK
can be divided
outofthe
and
frequency
programming.
(100
Hi.
the
low
frequency
Hz.
remote
programming.
in this section will include these
DIAGRAM.
into
fourbasicsections:
amplitude,
appliedtothe
downinfrequency
and
reference(see Figure
3320A/Bisdeveloped in Ihe
amplitude
and
amplitude
and
and
10 Hz)
resolution
section
and
the level
are referenced
ac-
10
FRONT
PANEL
CONTRZLS
BCDBCD
I
FREQUENCY
SECTION r
is
I
10kHZ,
18MHz
Figure 4·1. Simplified
RE!OTE
I
CONTROLLEoI
I SECJ10N I
(33208
2ONHz:TO32.99MHz
LREFERENCEI2NHz
IOSCILLAlOR
SECTION
I.
3320AlB
ONLY)
I AMPLITUDE
1 SECTION
20MHz
FRONT
PANEL
....
PLITUDE
'332T
ONLY)
oHzTO
~~HZ
Block Diagram.
OUTPUT
4-1
Page 25
3320AIB-B-3511
kHz
1
SECTION
FROM
10
4-2
Figure 4-2. Frequency Generation.
REFERENCE
-
20-
32.99
MHz
SEC
TION
to
----
I N
AMPLITUDE
TO
MIXER
standard,
~
the
3320A
section increases
as
shown
from the
controller
broken
the
3320A/B
illustration assistance,
section,
is
For
the
four
Figure
front
synthe-
of
in
into
DIVIDERS
RANGE
only,
as in
of
the
controller
into
a BCD format for controlling
information
processes
is
a functional block description
amplitude
OESCRIPTION.
BLOCK
control
and
amplitude sections
input,
Section.
section,
SWITCH
RANGE
10
MHz
1
panel
controller
following
in
Section VII.
functional block description
complexity
remote
LOCK
pHASE
VTO
front
from
The
4-1.
the frequency
panel
or
sizers. The
of
various controller sections used in
on
4-20.
The
4-19.
Controller
the
any
schematics
7-7), the Controller Configuration (Figure 7-6), and the
to
refer to the Functional Block Diagrams (Figures 7-5 and
section, and reference section.
parts: frequency
4-18.
The
4·17.
FUNCTIONAL
lists
4-1
of
is
in
MHz
method
TO
frequencies
output
is
applied directly
If
the range switch
(20
in
the frequency
CONVERTOR
ANALOG
DIGITAL
3320A/B.
output
range dividers used
range switch
the VTO
the
the
of
range dividers. Table
the
output
of
stable and accurate as the
developed
BCD
of
and
of
(f
as
is
number
to
a range switch.
output
oscillator (VTO) phase-locked to a
signal
Section.
frequency
than the MHz position, the
The
tuned
CONTROLLER
output
to
increase the resolution while decreasing the
positions. the
other
is
applied
reference oscillator (see Figure 4-2). The VTO
3320A/B
REMOTE-
~~~~-
Amplitude
is applied to a series
in
the MHz position, the VTO
MHz)
by an indirect synthesis technique. This
The
4·13.
maximum
technique
each range divider. Each range divider uses a divide and mix
each range switch position,
the range
VTO
position
to the amplitude section.
is
32.99
refercnce oscillator.
frequency then becomes
standard
uses a voltage
section
4-12.
4·11.
Frequency
006
kHz
Range
10
Hz
100 HZ} Option
1000 Hz4
10
kHz
100
kHz
1000
10
MHz
Position
Section IV
3
2
1
a
U",d
Dividers
Range
4·1.
Section.
onty
Tobie
circuits.
IN/OUT
is
the
position,
MHz Reference Oscillator
IN
all
to
source for
OUT position,
frequency
output
operator
the
VERN
is
in
of
the Vernier Oscillator. When
of
the
3320A/B
control
is
the
source for the range dividers and the
circuitry.
the
Vernier Oscillator
frequency references
two
is
in the
MHz Reference
is
the source for
control
in
the
3320A/B;
20
The
IN/OUT
Section.
90
dB
of
level
control.
the
at
3320A/B
attenuator
by
amplitude
least significant
Model
dB/step
controlled
the
three
signal from the frequency
are
the
also has a 10
with
amplitude
3320B
is
mixed
a
20
MHz signal from the reference oscillator.
the
3320B
amplitude and
3320A
3320A/B
20
the
the
VERN
by adjusting the frequency
adjust the last two digits
3320A!B amplitude section. TIlis allows the
Oscillator
the
VTO and phase-lock
VERN
(see Figure 4-3). When the VERN
the
20
MHz Reference Oscillator and the Vernier Oscillator
Reference
for
this signal
of
The
MHz
MHz
MHz
MHz
MHz
MHz
4-16. There are
MHz
4-15.
output
section. The
-I
~'(:dulating
digits
4-14.
Section
Applied
to
MHz
to
20.00001299
MHz
to
20.0001299
MHz
to
20.001299
MHz
to
20.01299
MHz
to
20.1299
MHz
to
21.299
MHz
to
32.99
Amplitude
Frequency
Ronges.
20
20
20
20
20
20
20
6
5
3320A/B
Page 26
Model 3320AjB
Section
IV
~FERENCE
I
SECTION
-,
I
I
e::
I"'"'''
IFREQUENCY
""'"
OSCILLATOR
CIRCUITRY
I
I
I
I
I
20
REFERENCE
OSCILLATOR
CIRCUITR Y
I
I
L
Figure 4-3. Reference Sources.
GPIB control,asin the 3320B Option 007. The various
3320A!B controller sections
Configuration diagram, Figure 7-6. Each conrroller
discussedinthe following paragraphs.
4-21. 3320A Standard Controller. The controller for the
standard Model 3320A
codes representing the front panel frequency, range, leveling
and vernier
assembly and applird
amplitude setting
potentiometer on the front panel.
fRONT
PANEL
CONTROL
in/out
settings
is
controlled manually by the amplitude
CONTROLLER
~
10kHz
I
I
10
kH:
I
'Ok",
18
Z
MHZ I
MHz
Ir
ISMH.
I
"1Hz
I
2
MHr,20MH.
I
.-J
are
is
showninFigure 4-4. The
are
to
the frequency section. The
PANEL
INTERFACE
ICOOE
TRANSFORMATION)
nzo.v
...
showninthe
converted in the
~
(
SEE SCHEMATIC 1
FOR CODES
n20A/8-8'3~09
VTOI
PHASE
LOCK
RANGE
DIVIDERS
~PLITUOE
SECTION
·)~,~
controller
BCD
AlO
FREaUENCY
SECTION
AMPLITUDE
SECTION
controlled from the front panel or remotely with parallel
BCD
linesasoutlinedinSection
control (front panel) the
frequency, range, and vernier
the
BCD
control circuits. The converted
the BCD control circuitsisappliedtothe frequency section
through the
BCD information from the remote linesisconvertedinthe
BCD control circuits and applied to the frequency section.
An
Cable Board. In remote control mode the
III
of
this manual.Inlocal
BCD
code representing the
in/out
setting
are
BCD
The Delay Flag showninFigure 4-6 remains low for the
of
amount
delay time programmed per Section
amplitude setting for Model 3320A Option 003
trolled manually by the front panel potentiometer.
CONTROLLER
PANEL
INTERFACE
(CODE
TRAIII$FORMATION)
is
Figure 4-5. 3320B Standard Controller.
CONTROLLER
FROtH
I
I
I 8CO
PANEL
AI3
I
REMOTE
'"
INPUTfDUTPUT
Figure 4-6. 3320A
CONTROLLER
FRONT
PANEL
'CO
."
I
r_
{
DELAY FLAG
CONTROL
'"
CIRCUITS
A238A24A
FREOUEOlCY
I COI<iTROL
A23
lieD
1\
ISEE SCHE...... TlCS
BCD
'CO
1\#
CABLE
60ARD
;
A22
n
I II FREQUENCY I
l'
I '
....
J
FOR CODES
,nO"I-I·
Controller.
CABLE
,80ARO
,..
...
06.2:2:.
i
COI<iTROLSECTIO"l
----j
'"""'"
'CO
""'"{
INPUTIOUTPut
OELAY
FLAG
A24B
tl\,
SEE
fOR
~
SCHEMATICS
COOES
converted in
code from
III.
The
is
con~
I "",,,
""
I FREOUENCY I
SECTION
'""'"''
........
_._..'.
I
Figure 4-4. 3320A Standard Controller.
4-22. 3320B Standard Controller. The controller for the
of
standard Model 3320B consists
as
panel interface assembly
data representing the front panel frequency setting
shown in Figure 4-5. The
rhe front panel and the
BCD
convertedinthe panel interface block and appliedtothe
frequency sections. The
panel amplitude settingisaddedtoa preset
BCD
data representing the front
BCD
number in
the panelinterface assembly. This addition provides the
BCD
proper
Since the 3320B
of
tude
code for controlling the amplitude section.
outputiscalibrated in dBm, the magni-
the preset BCD number depends on the
output
impedanceofthe 3320B.
BCD
4-23. 3320A
controller
is
Option 003. The 3320A Option 003
shown
in
Figure 4-6. Option 003 can
be
Figure 4-7. 3320B
4-24. 3320B
BCD
controllerisshown
Option 004. The 3320B Option 004
in
Figure
BCD
Controller.
4-7. Option 004
controlled from the front panel or remotely with parallel
is
BCD
linesasoutlined in Section
BCD
control the
A23
and A24B
data from the front panelisprocessed by
assemblies",
remme control mode the
BCD
III
shown
data
of
this manual. In local
in
Figure 4-7. In
from
the remote input
linesisprocessed by A23 and A24B.
4-25. The frequency control block (A23) converts the
codes representing frequency, range, leveling,
in/out settings into appropriate
BCD
codes for controlling
the frequency and amplitude leveling. The
is
representing the amplitude setting
addedtoa preset
number in the amplitude control block (A24). This
and
BCD
can
BCD
vernier
data
BCD
4-3
be
Page 27
44
a data
signal
signal
seven
for
that
the
an
abbreviation
GPIB
bus
lists the GPIB
describes the
lines
and
true except H RFD
is
required
B.
Name
is
II
is true. For example, L
For
Data
Response Enable
each
manual
data
LOW
true
signal
LOW
bits 1 through
Data
1
nput/Output
Output
Service Request
Ready
Multiple
Data
Valid
Data Accepted
4-2 lists the seven control lines
brevity,
of
this
and
III
used to connect each instrument to
B lines are
a
LOW
Table
a mnemonic, which
are
lnO.J!II·"~
( LISTENER)
SYNTHESIZER
FREQUENCY
33208
..,
=tj
(LISTENER)
(TALKER)
DVM
3490.0.
All
GPI
that
,
'
name.
by
each GPIB bus line. Section
cable contains eight
Bus
System.
~
7
V indicates
HIGH true, L indicates
An
H preceding a mnemonic indicates
DI08
0107
0106
0105
DI04
DI03
0102
DIOl
EO?End
SRO
RFD
RENRemote Enable
MRE
DAV
DAC
MnemonicSignal
Table 4·2. GPIB Bus Signal Mnemonics.
the
signal
is
identified
For
convenience
of
bus.
The
various lengths)
MAX.
BUS
GPIB
FT.
MAX.
Valid signal.
DA
is
4-29.
and eight data lines used on the GPIB bus.
of
line
4-28.
bus cables available.
function
control lines. Section
the
be
same 15 lines. For this reason standard cables (which may
6 FT.
CABLES
12
the
of
the
is
in
the
For
and
a
An
will
be
the
be
is
time
in
"---
over
but may
can
on
may
9800 series
outlined
time.
it
system
4-7.
delay
calibrated
Figure 4·8. Typical GPIB
is
routed
advantage
-hp-
063,
as
transmit data.
both a listen
can
receive data, a
given
so
that
instrument
bus
in
Figure
of
is
(LISTENER)
(TALKER)
COUNTER
FREQUENCY
r
D
(CONTROLLER)
PROGRAMMER
MARKED CARD
3260.0.
OR
CALCULATOR
9820.0.
principal
octal code
and
or
if
it
at
any
Each
of
15
instruments
GPIB
is
performed by the A23
the
amount
BCD
numberdependson
output
code for controlling the
all
information
in
Section III. The 3320B GPIB
3,
data,
address
the
bus
determine which instruments
an
external controller. This enables
(or addresses)
the
bus.
the dotted line
for
the 3320B. The delay flag shown
the preset
BCD
that
both receive
transmit
a listen
on
to
address
to
remote control option permits the
by
low
of
of
is
Connections. A
remote controller.
outlined
it
can
it
can
have
an
4-8. A total
Bus)
system
Bus
as
the
directly compatible with the
as
if
if
will
in
parallel
Figure
as
indicated
4-7
remains
impedance
GPIB
bus
4-27.
GPIB
also
be
used
calculators. The -hp- 3260A Marked Card Programmer may
is
option
be
changed
normally the ASCII character
Paragraph 3-34. The listen address for the 3320B
3320B to receive programming information
which allows the controlling instrument to instruct
example, the 3320B GPlB optionhasonlyalisten address,
talk
address
talk
address
instrument
be
communicating
the
external controller
selected individually by
bus
is
assigned
connected
in
other instruments. A typical
shown
several
Model 3320B to operate on a single data/control bus with
pose Interface
4-26. 3320B GPIB Option 007. The GPIB (General Pur-
assembly
A24B assembly, the actual timing
programmed. Although the delay flag(s) comes from the
in
Figure
output
the
dBm, the magnitude
amplitude sections. Since the 3320B
addition provides the proper
Model
3320A/B
Section IV
Page 28
Model
3320A/B
Section IV
and H DAC, which are HIGH true. Table 1-2 lists
the
signal
levels required.
NOTE
In
the 3320B the Data Input/Output bit 8
(DI08)
and Service Request (SRQ)
are
not used
(no connections).
4·30.
GPIB Basic Theory and Operation. The 3320B GPIB
circuits employ both combinational
convert the ASClI data input into parallel
controlling
black
A
4-9.
4-31.
ASCII character on the data lines
Circuit.Aseach data characterisaccepted, a Data Accepted
Signal (H DAC)issupplied backtothe remote controller
indicate
character has been processed,
indicating to the remote controller that the
for
new data.
4·32.
various control dataistransferred to
by
controller decodes
Command"
ASCIIcharacters
Input Circuitinsequence,
decoded
(storage registers)
next
decoded
prefaced
4-33.
ilyasa series to
commands
into stored parallel
the
various
diagramofthe
By
meansofthe GPIB control lines, each appropriate
that
the data
To provide isolation, each ASCII character
means
of
or
settingsoffrequency
GPIB
has
pulse
transformers
the
ASCII
"Numerical Data".
A,I,2,
3 and 4 were accepted by the
the
in
the
controller
asanAmplitude Preface
four
ASCII
characters, being numerals. would
as
The
by
Latches
and
the
numerical
earlier
the
data
Amplitude
and
associated circuits function
parallel
converter.Itconverts
serial
numerical
BCD
data.
and
sequential logic
BCD
and
amplitude.
to
data for
circuitsisshowninFigure
is
accepted by the
been accepted. After a data
RFDisallowedtogo HIGH,
33208isready
the
controller block
or
photo-couplers.
character into a
For
example, if
first
character A would
and applied to the Latches
Command.
and
applied to
Preface
Command.
the
Input
and
The
"Preface
the
The
Latches
primar-
the
preface
data
from
the
controller
number
nine. For example, the 9's
BCD
settingsisadded to a preset
Circuits. This BCD addition provides the
numbers for controlling the amplitude reference and 10 dBI
step attenuatorinthe
Since
tude
impedanceofthe 3320B.
4-36.
quency data, the
programmable
eling
the GPIB RFD
which, when added to the first
complementofa
7 since 2 + 7 = 9. The BCD data for the amplitude
BCD
number,
numberinthe
amplitude section
the
3320B outputiscalibratedindBm,
of
the preset BCD
In
addition to processing
BCD
parameters
and
delay. The delay flag showninFigure 4-9 holds
LOW
number
circuit
also
suchasvernier
for the
depends on the
the
amplitude
processes
amount
of
programmed.
NOTE
to
A more detailed functional block
diagramofall
the assemblies IA37, A 38, A25,
in
the
GPIB
A24B) used
Figure
7·5.
4·37.
Reset
Conditions.
3320B, Reset and Clear signals from
reset
the
latches to
III.
However, the Resel
Flip-Flop,
control.
be
applied evenifthe REisheld
4·3B. Addressing
be
lnput Circuit waits
the
informationonthe dala lines,
compared
is
indicate
LocaJ
data
informationisvalid.
to
addressed and the DAC signalisallowedtogo HIGH
that
the
forcing the 3320B
controlisautomatic
the
33208.
for
the
3320B
the
address
turnonconditions
theDAV 10 go
has
controllerisshown
When
powerisfirst
the
controller block
giveninSection
signal
also
clears
into
local (front panel)
when
powerisinitially
LOW.
When the MREisLOW, the
LOW
WhenLDAV!s
LOla
1 through
address.Ifthey
been
NOTE
match,
accepted.
equals
BCD2is
proper
of
the
3320B.
the
magni-
output
and
the
remaining
frequency,
delay time
A23
and
in
appUedtothe
the
Remote
indicating
received, the
LDI07,
the
3320B
a
BCD
BCD
fre-
lev-
that
are
to
4-34.
The
main
functionofthe
the
BCD
format used for controlling the frequency and
amplitude sections.
4-35.
The
BCD
data
to
9's
complement
sectionofthe 3320B.
GPiB
DATA
L1NES---'
GPIB
CONTROL
LINES
,___
~
BCD
Circuitsisto
for
the
frequency settingisconverted
and applied directly to the frequency
The
9's complementofa
CONTROLLER
IN
PUT
A37
J
process
numberisa
I--
A38
f----
Figure 4-9. GPIB Controller.
When
powerisinitially applied the 3320B may
or may not be addressed. This
"Address Clear" command (ASCII
mended prior to addressing any inslrumetll(s)
on the
GPIB
Bus.
4-39. Remote Programming. After the
BCD
LINES
FROM FRONT
DELAY
LATCHES
A25
FLAG
PANEL
BCD
BCD
CIRCUITS
A23
ANOA24E1
:n~O"'/a-8-'508
is
why the
1)
is
recom-
3320B
TO
AMPLITUDE
FREQUENCY
SECTIONS
has been
AND
4-5
Page 29
4-6
Figure
4-'
O.
VTO
and Phase Lock Loop.
3320"/8'8-3507
SECTION
REFERENCE
FROM
tOkHz
N
10kHz
SIGNAL
de
ERROR
COUNTER
•
•
COMPARATOR
PHASE
D/A
I
2
1
4
8
'A
20
40
80
?nn
1400
800
1000
DIGIT
SIGNIFICANT
LEAST
DtGIT
SIGNIFICANT
SECOND1
DIGIT100
SIGNIFICANT
MOST
OVERANGE
CONTROL
BCD
the
a
of
33208
settings
DIVIDERS
-RANGE
TO
have
by
one
The
panel
front
the
local control.
MHz
from
control the REN and
32.99
La
NOTE
during remote control.
during
In
local control, the BCD circuits
20
TO
I)
data
coming
Schematic No.6.
controlling the REN.
giving a "Local Enable" command (ASCII
no function
VTO
notes
on
force local control. For more information, see
front panel switch
Some "special" 3320B instmments
3.
By
Character
2.
By
I. Initially applying power.
have
the
BCD
following methods:
GPIB option may be put into local control
circuits
(switch closures to ground). The input, controller and latch
process
4-40. Local Control.
PRE
TUNE
de
placed
in
remote cOlltrol.
be
cal!
The 3320B lIlust be addressed beforeit
NOTE
Latches.
Execute command simply transfers the prefaceddatatothe
any prefaced data to the Latches. Any followingFunction
sets
each
Section III.
of
Function
sequence
in
This
in
a
programming
as
discussed
the
programming
the
data
lines.
to the remote model and transfers
follow
on
must
Flip-Flop
FunctionExecute
command
is
received
first
the Remote
The
preface command(parameter)
Execute
comma)
local mode until a Function Execute command (ASCII
data
the
by simply holding REN
to
LOW.
go
not
The 3320B
will
33208
lines. The
will
in
remain
into remote mode
applying a "Function Execute" command(ASCIIcomma)
and
REN
by
is
selected
it
may be placed into the remote
control mode. Remote control
addressed to listen,
Model 3320A/B
IV
Section
Page 30
Model 3320AjB
4-41.
Frequency Section.
442.
The frequency sectionofthe 3320AjBiscomposed
ofaBCD
lockedtoa10kHz
including Option
4-43. The
variable from20MHz to 32.99
controlinthe vernier out position.
control
digits
output frequenc)'
controlled voltage tuned oscillator (VTO), phase
are
output
in
variable
reference
006
(see Figure 4-2).
frequency
the
vernierinposition, two
via
of
signal,
and
six
range
of
the frequency section
MHz
with the vernier
With
the vernier in/out
more
additional
the vernier oscillator making
the frequency section20MHz
dividers,
in/out
the
32.9999 MHz.Inthe following discussion. the frequencies
given
are
consideredtobe
vernier
discussion
4·44.
out position. Refer
of
the vernier oscillator.
VTO,
Phase-Lock Circuitry.
the controller section. for
most significant digits
of
with
the
to
Paragraph
the
ovcrrange digit
3320AjB
vernier
The
output
in/outinthe
4-60
BCD
signal,
and
frequency,
the
for
from
two
applied to a 0/A converter on the VTO assembly (sec
Figure 4-10). The D/A converter converts the
adevoltage whichisapplied to
the
BCD
signal
VTOasa pretunc
voltage. This sets the VTO close to the desired frequency.
4-45. Precise frequency control
locking the
from
applying the
number
outputofthe VTO to a
the
reference oscillator. Thisisaccomplished by
outputofthe VTO to a
is
controlled by the same
pretuned the VTO plus the
the
frequency digits. This
such a manner
that
the counter
is
achieved
10kHz
reference signal
-0-
N counter. The
BCD
BCD
signal for the remainder
signal
sets
the
-:-
will
divide
by
phase-
-0-
signal which
N coumer
the
output
the VTOto10 kHz (refertoParagraph 4-70 for a detailed
discussion
the
is
compared
oscillator.
on
the
-0-
N counter). The 10 kHz
-:-
N counterisapplied to a phase comparator where
to
<l
Any
differenceinphase
10kHz
signal
from
between
output
the
the
two signals
reference
from
willbedevelopedasa de voltage. This de voltageisapplied
to
the
VTa
to correct its frequency.
4-46. Range Dividers. The
applied either
range
dividers, depending
to
the amplitude sectionorto a series
control. Seven ranges are available
including Option 006. Table
the
numberofrange
the
output frequencyofeach
output
on
the
4-1
dividers used
range
signal
position
on
lists the range positions,
for
each position,
divider.
is
With
the
range
4-47.
output
of
the VTO (20
directly to the amplitude section.
the
Signal
is
frequency
to
output jack.
448.
a
MHz
more
mjx
signal
frequency by one decade (see Figure
is
the
VTO
to
(0Hzto
With
the
position, the
of
the
range
technique to increase
by
one decade while decreasing
range
controlisplacedinthe 1000 kHz position.
output
(20
controlinthe10MHz
MHz
to 32.99 MHz)isapplied
In
the
amplitude section,
mixed with 20 MHz and the difference
12.99
MHz)isavailable at the 3320A/B
range
switchinany position other
outputofthe VTOisapplied to one or
dividers.
MHz
Each
divider
the
resolution
to
32.99 MHz) is divided by 10
4-1
uses
I).
(2 MHz to 3.299 MHz) and mixed with 18 MHz from the
reference section.
21.299 MHz)
signalismixed with 20 MHzinthe
the difference frequency(0Hz
The
sumofthese two signals
is
applied to the amplitude section. This
amplitude section,
to 1299 kHz)isavailable at
the 3320A/B Output jack.
N
4-49.
Amplitude
of
4-50. 3320A Amplitude. The 3320A
in
variable from 0 dBm to13dBm, intoSOohms, by a front
of
panel potentiometer.
Section.
The
potentiometer applies a
output
voltage to a modulator to amplitude modulate a 20 MHz
signal from the reference section (sec Figure 4-12). The
leveled (amplitude modulated) 20 MHz
it
mixer
where
it
is
mixed
with
the20MHz
from
the
frequency section.
of
the mixer (0 HI to 12.99 MHz)isamplified, filtered, and
amplified
again
before
The
difference frequency out
it
is
appliedtothe 3320A output.
is
Section IV
of
the VTO
of
the
range
the 3320AjB,
and
position, the
than
the
a divide
of
the
the
and
Output
maximum
For example, if
the
(20
MHz
and
signal
applied to a
to 32.99
MHz
is
of
to
is
de
SIGNAL
FROM
VTO
_-",,-1\_-1
10MHz
RANGE
POSITION
2 TO
3.299MHz
leMHz
20TO21.299MHz
Figure 4-
11.
1000
kHz
RANGE
POSITION
Range Dividers.
leMHz
SIGNAL TO
AMPLITUDE
SECTION
100kHz
RANGE
POSITION
~-c,.....,tr--
SIGNAL TO
NEXT
RANGE
DIVIDER
3320AJ9·
B-!!)l!)
4-7
Page 31
4-8
Figure 4·13. 33208 Amplitude Seelion.
UT
B
OHMS
SO
3320
OUTP
LINES
BCD
ATTENUATOR
IOdS/STEP
1_4
SECTION
CONTROLLER
FROM
LINES
12
BCD
de
LEVELING
(10Hz)
SECTION
CONTROLLER
FROM
T
REFERENCE
AMPLITUDE
de
CONVERTER
Qe/c1c
OFF
ON
3320A/I-S-3506
de
REFERENCE
REFERENCE
MHz
PRETUNE
COMPARATOR
AMPLIFIER
SECTION
FROM
2
POINT
SUMMING
de
TO
12.99MHz
LEVELED
Hz
SECTION
FROM
MODULATOR
20
MHz
LEVELED
o
MIXER
REFERENCE
FREQUENCY
MHz
MHz
SECTION
FROM
20
20-32.99
de
the OFF position, the 20
opened and switch B
difference in the two
This
detects the signal and applies the
\'pplied
in
to the thermopile circuit.
control
position
applied
circuit and a comparator (see Figure 4-13). The signal
4-53. The Leveling assembly consists
Leveling assembly.
is applied to the Modulator
transferred to holding capacitor,
switch C is closed.
time allowed by the
through R
is
switch A
determines the length
Figure 4-14). The
controlling the charge and discharge
from the Reference Oscillator, and a series
signal
signal
The D/A
MHz
MHz
(All).
of
a counter.clockedwitha2
in
the D/A converter assembly
converter consists
originates
4-52. The de voltage used to modulate the 20
10 dB/step attenuator at the 3320B output.
are
4-13). The most significant digit
the modulated 20
from the reference section with a
digits
is
by
a
MHz
controlled
de
voltage andapplying
MHz
to the output mixer (seeFigure
by
amplitude modulating the20
controlled
remote mode) into 50 ohms. The three leastsignificant
dBm
dBm
dBm
in
is
(.73.00
signal
to -69.99
variable from +26.99
4-51. 33208 Amplitude. The 3320B output
Figure 4·12. 3320A Amplitude Seelion.
.......
/11
•••
".".
~~~~I~itEREHCE
20
MHz
~~~r~EQlLNCY
20·32.99
MHz
IV
Section
.J
~WMS
3320A
__
I,-
12.'39 MHz I AMP1.IFI[R
E-JAMPLITUDE
rIFRONTPAIt£L
TO
.J
I
10HZ
LEVELED
20
MHz
LEVELED
__
MIXER
L-
I MOOUUTOII 11-''''_.-0
I,---,_.JI
I
de
levels
de
from the modulator
When
a pretune dc, and the
From
the LEVEUNG control is
C,.
is applied
MHz
as
voltage remaining on C,
1
to charge to 10 V. Switch A
When
de
signal, switch B
is
closed allowing C
time the counter counts.
signal from the controller section
the de from the D/Aconverter.
of
to
position, the 3320B output
The
BCD
the counter has couoted the length
BCD
ON
compared
the thermopile circuit. The thermopile circuit
the LEVEUNG control.
the thermopile circuit is determined by the
1
When
.
is
closed allowing C
is
to
is in the
of
to
to
the modulator
Any
to the comparator.
is
is
applied
the LEVELING
of
a thermopile
C"
the
de
level
is
is
opened and
of
1
to
discharge
At
To,
of
a capacitor (see
of
FET switches
Model
3320A/B
Page 32
Model 3320AjB
Section IV
A
Rl
e
f11/1,
IQV-=..
12
BCD Lines
F,omCont,ol,.,
to correct the amplitude
Paragraph
circuitry.
4-54. The leveled 20
mixed with the 20
section. The difference frequency
12.99
before it
attenuata! assembly.
~3
for a detailed discussionofthe thermopile
MHz)isamplified, filtered, and amplified
is
applied
I
lII
W II
"I
III
III
~
~
2MHz
of
the leveled 20
MHzisapplied to a mixer where it
MHz
to 32.99
to
MHz
outofthe mixer (0Hzto
a
BCD
controlled10dB/step
C
,
rei
~~~.
~
To
Tl
CI
:
.,
:
J
Figure 4-14. Simplified
MHz.
from the frequency
again
See
Amplitude
-69.99 dBm.
o
dBofaltenuation.
dBisfrom the leveled 20
9.99
10
dB/step altenuator
the
is
and the leveled 20
operation continues through the attenuation
-69.99
dBm.
ator below 0
etc.
To Leveling Assembly
And
Modulotor
Switches
Are
Reference.
At
+26.99 dBm, both attenuators are applying
The switching pointsofthe10dB/step altenu-
dBmis-3.01 dBm, -13.01 dBm, -23.01 dBm,
A,B,aC
Fet
Switches
B20A/B-B-
When
MHzisback to 0dBof
)!>02
altenuationisadded, the first
MHz.
will
supply 10dBof
Assembly
Then at +16.99 dBm,
attenuation
altenuation. This
range
to
4-55. The10dB/step altenuatoriscapableofswitching
up to 90dBof
MHziscapableofapplying 9.99dBof
20
0.01 dB,
in conjunction to cover the 3320B range
0.1
EXTERNAL
RfFERENCE
INPUT
attenuation in10dB
dB, or IdBsteps. These two altenuators work
.--<.
)
CO:~::;TOR
steps. The leveled
attenuation in
of
+26.99 to
~------""'-------------"M:::H:",~·:~t-h~DE
~
in
4-56.
Reference
4-57. The reference sectionofthe 3320AjB consistsoftwo
voltage controlled crystal oscillators; a vernier oscillator,
which is switched
20Mttz
VCXO
Section.
in
MIXER
and
out with the vernier .control,
20
~
;;'8:;.,.RANGE
MHz
1
-7
--.
1-
1
0
.
• 2
....,.~2
"H
,...,
~_,.!Ic...PANEl
MHzIMHz
~_",I",.VERN
MHz
and
a
TO
MODULATOR
TO
DIVIDERS
TO
_-N
AMPLITUDE
.t
SECTION
TO
REAR
OUT
TO
IN
IN
IER
~~~~JOL
Figure 4-15. Reference Section.
4-9
Page 33
4-10
protect the thermopile and
in
point
positive.
An
Signal.
AC/DC
the
this
the
level
the
20
comparator.
to a
3320B
UNIUUE
applied to the oscillator
8-4-2-1
007
003
dental application
overvoltage causcd
to
shown
AC/DC
be
the
to
front
front
4·68. Protection Circuits. A simplified
at
RMS voltage at
voltage as
voltage
more
point 2 to
4-67.
range.
loop to function effectively
frequency response
the heater element for the thermopile. The extremely flat
input
100
is
the
utilizes a thermopile
AC/DC
of
4-66.
is
a
amplitude leveling loop.
off,
output
dc
amplified by the
amplitude reference.
verts
Modulator (see Figure 4-13). The AC/DC converter conAC/DC converter monitors the
4-65. When the 3320B LEVELING circuit
Any
it
is
to
a
oven
The
an
approach
by
The
changes
of
the
reference.
the
signal
amplifier (see
AC/DC
4-64. When the 3320B LEVELING
the
MHz
the
also
4-63.
of
4-62.
is
Vernier
BCD
Option
programming
Option
can be accomplished
two digits to
Remote
3320A/B
10 kHz reference will vary the last
and
to
The
m<a/.·.·._
.;.
in
output
change
create a
Here,
MHz
locking
phase-lock
to
of
20
in
is
four fre-
an external
frequency.
be
used
by
either a
in
the frequency
from the
.;.
10 circuit
Oscillator
will
output.
is
applied
5
oscillator.
phase
the
is
applied to a
is
applied
on
the
Counter
10 circuit
the frequency
oscillator. The
are
to
can
'''1'1.1
oscillator to
MHz
002)
the
MHz
for
to
-;-
in
MHz
There
output
tuned
""."
REFERENCE
"ON
loop
applied to the VER
signals
as
20
10 circuit and a mixer
the
10kHz reference to
programming.
OSCILLATOR
is
20
remote
can
be
.;.
10 circuit (see Figure 4-16).
Vernier
20
the
two
the
Vernier
circuit
a
The
the
of
Oscillator.
10KHz
MHz
Phase-Lock assembly.
such
the
is
provided
is
applied
.;.
2 circuit
-;-
2 circuits
MHz
from the
.;.
lOis
applied to the mixer
.;.
20
MHz Reference Oscillator;
Oscillator.
phase-locked
the
3320A/B
oscillator
in
the frequency section. Varying the
turn
varies
or
by
Oscillator
4-16.
vERNIER
to
the
phase-lock
the.;.
10
to
to
between
on
the
circuit
100 circuit
the Vernier Oscillator assembly. The
With the VERN IN/OUT control
and
to two
~
N Variable Modulus
MHz signal. The difference frequency
of
the
MHz
Reference Oscillator assembly. The
directly from the 20
applied to the amplitude section level
digits
of
The
vernier
loop
in
allows the 10 MHz from the oscillator
control
Vernier
Figure
FREQUENCT
a
.;.
100 circuit. The
position, the I MHz from the
Oscillator.
is
applied
in
phase
to
a portion
frequency generating section.
the.;.
on
control.
is
applied to the rear panel I MHz OUT jack.
the
applied to the range dividers
20
out
20
is
also applied to a
is
Reference
two
which
control
vernier
The
is
applied
to
IN
Vernier
output frequency.
which
comparator
phase-lock
in
the
100 circuit
the VERN OUT position, the I MHz
lOUT
2 circuits
to
MHz
is
MHz signal
modulator
MHz signal
MHz, 18 MHz, 2 MHz, and 1 MHz (see Figure 4-15). The
20
MHz oscillator can be
MHz
osciUator.
phase-lock
varied
panel
panel
4-61.
generating section.
circuit
applied
VERN
IN/OUT control. With the VERN IN/OUT control
The I MHz from
the oscillator is applied
10 MHz voltage controlled crystal oscillator. The
4-60.
its
voltage
difference
compared
phase
stabilized reference oscillator (Option
external frequency reference,
external frequency reference to
4-59. A
loop
10 KHz from
-;-
in
VERN I
The I MHz from the second
.;.
Reference Oscillator assembly. The I MHz from one
amplitude section
applied
generating section. The 2
18
mixed with the
2 MHz signal
circuit on the
20
control
20
20
quencies supplied by the
Flip-Flop.
converter input to ground and the
provide at least
40dBof
Flip-Flopisset, the voltage at TP2 approaches 0 volts. At
the end
state.
is
of
5 seconds, the Monostable returns to its normal
If
the overload condition still exists, the Monostable
set again. The resistor
QI J and the de reference pulls the dc reference line
negative during overload. This reduces the 20
outofthe Modulator.
4-{j9.
The response is settoSLOW
TItis requires the four response control switches shown
Figure 4-18tobe
closed. Options 003. 004 and 007 allow
L_
T--i.-_
-1!lV
deREfERENCE
FROM
AMPLITUOE·-------'M.-------'
SECTION
R53
Figure 4-18. AC/DC Converter With Overload Circuits.
IC5
sets the
This causesK2to
close shorting the
output
attenuator
attenuation. While the Monostable
and
diode between the
output
MHz
signal
for the standard 3320B.
de
QB
'<5
IIREsflONSE
CONTROL)
r----j+
the response
T
'09(RESPON$E
t
¢.
to
-r--
COW'ARATOR
CONTROLl
be remotely programmed to FAST. FAST
OUTPUT
TO
MODULATOR
response requires these four switches
to
4-70.
The.,. N Counter.
4-71. Refer to Figure 4-10 for the block diagram
VTO Phase Lock Loop containing the
of
of
purpose
output
the
output
position
in
the VTO Phase Lock Loopisto provide
frequencytothe amplitude section. The range
frequency from the VTO depends on the
of
the vernier control switch:
Vernier
In
Out
VTO Output
20to32.9999
20to32.99
to
be open.
.,.
N Counter. The
MHz
MHz
of
the
an
of
4-11
Page 35
3299
3000
2500
2000
MHz
MH,
MH,
MH,
32.99
30
25
20
Hz
Hz
H,
a
1299
10000
500 Hz
H,
kHz
kH,
kH,
12.99
10
5
a
H,
kHz
kH,
kH,
a
129.9
too
50
H,
kHz
kHz
kHz
4-12
12.99
H,
MHz
MH,
MH,
10
5
a
1299
1000
500
a
BCD
N number between 2000 and 3299
VTa
of
the
will
signal
frequency
the
.;-
10MHz
VTa
control circuits shown
as
shown
and 3299
.;-
the
output
the required frequency.
output
by
a new frequency
VIa
an
error
N Counter
the
N Counter
control tines from the controller. The
of
N number varies between 2000 and 3299 at
N =
of
to
set
.;-
from
-;-
to divide the
the
N Counter utilizes three preseHable decade
.;MHz
A converter prelunes the
is
BCD
by some number N. The number N
is
and
.;-
frequency =N x
VTa
DI
When
signal,
the
signal
the
Where
VTa
to the proper frequency.
of
of
MHz)
starts counting the
"preset" number by the
presettable counters and the A
counters
4-73. The
each range setting
setting. The
between 20
tional resolution, the output
Since the 3320A/B uses Range Dividers to provide addi-
formula:
the frequency
phase locked, the
tunes the
close to the required
time, the
.;-
N number
frequency.
reference and the
is
exactly 10 kHz, the Loop
VTa
reference
output
reference
output
mined by the
32.99
Lock Loop
4-72. The function
1000
4·3.
Figure
kHz
FREQUENCY
Table
cycles starting with the preset
control lines. The counter
Flip-Flop
in
100
Number
-;-N
(A3TP31
VTO
F
Hz
1000
-;-
N Number.
kHz
10
kHz
RANGE/SETTING
Frequency Setting vs.
0700 and 1999.
is
always between
number from 3999. This number
are
The
set to a
4-19.
3. To determine the preset number, subtract the N
tween 2000 and 3299.
frequency
~
2000
= 20.00
= 32.99
VTa
frequency
2.
To determine the N number, divide the
the desired output frequency.
I.
To determine the
VTa
Preset Number
N
VTa
Minimum frequency (0 Hz)
Preset Number
N = 3299
VTa
Maximum frequency (any range)
N number from 3999 (preset = 3999 - N), for exam-
4) Repeat cycle.
3) Provide
(maximum count).
2) Count
If the
ple:
the
3999, the preset number may
Since the maximum number that the counter can achieve
in
Table 4-3.
MHz
of
RANGE
independent
of
the VTO always varies
10kHz
is
given
by the following
the
.;-
is
and
is
10kHz
the loop
When
N counter
and then the Phase Lock Loop
VTa
to a frequency
BCD
is
selected, a different
tuned to the correct
the output
is
generated
reference
of
control lines.
be
phase locked to the
When
not equal to the 10kHz
compared with the 10 kHz
is
is
is
output
N Counter
At
the same
10kHz
of
the
.;-
N
to
tune
the
the
If
deter-
Phase
section.
is
the
VIa
(20 to
in
the
VIO
by
be-
is
always
10kHz. This number
VIa
VTa
MHz
to
as
follows:
frequency, add 20
is
unknown, proceed
~
1999
~
3999 - 2000
MHz
= 07003999 - 3299
MHz
be
determined by subtracting
is
pulse to Phase Comparator.
output
frequency until counter reaches 3999
1)
BCD
control lines).
of
-;-
is:
N Counter
is
supplied to the Phase
operation for the
is
-;-
N Counter counts up to a maximum
Model 3320A/B
Load Preset Number (from
The basic sequence
Comparator.
in
the out position.
NOTE
is
considered to be
control
For the following discussion, the vernier in/out
reached, a completed pulse
of
3999 (Sense No.). Each time the 3999 number
number
number. The
the frequency
on
frequency depends
output
IV
setting selected.
The actual
Seclion
Page 36
Model 3320A/B
Section
IV
Counting
Sequence
VTO
FREQUENCY
(CLOCK)
Flip-Flops
B
~
--:J
(I~'Z)
~
L.
A
IC5IC4
,..
PRESETTABLE
(Ie
DECADE
,,
TRIPLE INPUT
J-K
FLlP-
Presettable
I
3)
COUNTER
(1~2:1
4
,
L--
),
---K
FLOP
Decade
Counters
BCD
2
BCD CONTROL
10'·100"
LOAD
PRESET
NO.
PRESETTABLE
(IC4)
DECADE
COUNTER
,
F·F
C
(
1e7)
,
C
IC3
BCD
CDE
1
LINES
PRESETTABLE I
OECA6~Cc1)uNTER
,,
,
,.,
0
(
Ice)
,
,
I
,,
,,
IOrOKNERANGE)
I
,.
,
,
A
(IC6
)(ICGl
,
,.-J
,.
F
E
(ICBl
,
,
t----
'
."0./.·.·
Flip-Flops
Gates
FG
,.
,
8
,
IO~Hz
OUTPUT TO
PHASE
COMPARATOR
....
+5v
Remarks
Preset
Number
Preset
3990
3993
3994
3995
3996
3997
3998
3999
+ 1t
0
11
11
1199
1
0
0
0
0
0
0
,,
ttttt
9900
99
199
·
··
··
···
•
····
·····
·
··
··
·
·
000
10
11
11
011
00
000
·
01
10
11000
··
·
··
··
0
0
1
1
Enabled
Enabled
Disabled
Disabled
Enabled
Disabled
Enabled
1
Enaoled
Disabled
Disabled
StartofCycle
GateGEnabled
Counters
preset.
Outputtophase
comparator
Outputtophase
comparator
and
cycle
and
F·F
repeats
S,iscleared
goes high
goes
F·F
1 are
low
Settopreset
t
Preset
number
number
+ 1
Figure 4-19.
-;-
N Control Logic Diagram.
4-13
Page 37
4-14
Care
is
reached.
continues
count
Flip-Flop
Most
and E until 3999
0100·
0101
Digit
3rd
is
reached.
the phase comparator goes high and
C,
D,
is
disabled but the
all
three J inputs at
to
of
the corresponding
DOll·
0110
Digit
Most
output
Flip-Flops
2nd
MHz
3994, Gate F
compliment
3996, the
At
is
enabled. At 3993,
32.650000
9's
0010
265
Digit
Most
remains high until 3999
At
by clocking
high.
G
kHz·
the
10
is
4·4. Preset Number.
0734
10111 *
1
Digit
Table
~
3265
Digits
number
OverrangeSignificantSignificantSignificant
3265
x
-
734
table:
determined by the
Frequency =
3999
of
Control
Number
-:-N
Counter
Control
Control
is
~
required preset
Digits
Digits
Title
N
Summation
Frequency
·The
Preset
Code to
Frequency
BCD Code of1
Frequency
the counter reaches 3990, Gate
in
Table 4-4.
When
Figure4-19 shows the counting sequence
shown
The
control lines
example
for the
4-74.
BCD
An
.;-
N Counter.
table
in
is
of
how the preset number
VTQ
Model 3320A/B
Section IV
Page 38
Model 3320A/B
Section V
SECTION V
MAINTENANCE
5-1.
INTRODUCTION.
5-2. This section contains the information necessary for
maintenance
sizer. Included
in-cabinet performance tests for standard and options,
adjustment procedures for standard and options, and front
panel disassembly procedures.
5-3.
TEST
5-4. The tcst
the 3320A/BislistedinTable 5-1. If the recommended
modelisnot
required characteristics.
To insure proper stabilization
allow a 30-minute warmup period before begin·
ning any performance tests or adjustment pro-
of
the Model 3320A/B Frequency Syntheis
a list
of
test equipment required,
EQUIPMENT.
equipment
available, use a substitute that meets the
required for the majntenance
NOTE
of
all circuitry,
of
cedures.
5-5.
PERFORMANCE
5-6. Thefollowingperformancetests compare the
3320A/B
in
inspection, periodic maintenance. or to verify specifications
after repair. A Performance Test Card
of
instrument during the performance tests. The card may
removed from the manualasa permanent record. If the
instrument fails to meet any
the adjustment procedures outlined in Paragraph 5-27.
During the performance test, periodically vary the line
voltage
proper operation at various ac line voltages. When checking
the performance
adapter on the
graphs 5-17 and 5-21). Refer
and diagram
5-7.
5-8. This performance test insures the 3320A/B meets the
Frequency Accuracy performance specifications listed in
Table
The
20 MHz Oscillator
performance with the listofspecifications given
Table
1-1.
this section for recording the performance
± 10% with a power line transformer to insure
of75ohmto50 ohm adapter.
Frequency
1-1
when the vernier controlisin the
output
frequencyofthe 3320A/Bisderived from the
TESTS.
These tests may
of
of
Option 001, use a 75
output
Accuracy.
as
follows:
of
the 3320A/B (excluding Para-
to
Vernier
be
used for incoming
is
provided at the end
of
the
its specifications, perform
ohm
to 50
ohm
Figure 5-7 for part numbers
Out.
out
position.
be
NF
__
R
XN
FR
2000
-;.
2000
The
XN
cirCUitryiscontrolled by a phase lock loop.
either the 7 2 K or the
will
not lock. The following formula canbeused to derive
FO:
If FO = FR(K) and if the phase lock loopislocked up,
any frequency error
This performance test measures the accuracy
Reference Oscillator and the
insure phase lockup. The Frequency Accuracy specification
listed
in
Table I-I with the Vernier
selling.
a. Connect
jack on the
should
be
b. Connect the counler to the 3320A/B front panel
OUTI'UT jack.
c. Set the
to 12.22. Set VERN IN/OUT to VERN OUT. The counter
indication should be 12.220000 MHz
d. Set the
indication should
e. Set the 3320A/B FREQUENCY
counter TIME BASE
AVERAGE
100.00000 IlS ± 1 ns.
5-9.
Frequency
5·10. The 3320A/B uses two unrelated reference oscillators
to derive the
an
3320A/B
1.000000
3320A/B
3320A/B
10K.
output
2000
FR
XN
numberisincorrect, the loop
=FR(N- 2000) =
in
FO mustbedue to
outputofthe 3320A/B to
electronic counter to the 1 MHz
rear panel. The counter indication
MHz
± 10 Hz.
RANGEtoMHz
FREQUENCY to 1.10. The counter
be
1.100000 MHz ±IIHz.
to
.1
IlS and FUNCTION
The counter indication should
Accuracy.
Vernier
frequency when the vernier control
20MHz
REFERENCE
OSCILLATOR
2000
± 122 Hz.
In.
MIxER
F
R
FR
FR
of
out·is
and FREQUENCY
to
00.01. Set the
± 0.001%
(K)
(20 MHz).
the 20
output
to
PERIOD
F
O
MHz
If
of
be
is
5-1
Page 39
5-2
No.
9100-1639
No.
0160-2223
No.
0160-0301
0160·2221
No
.
0160-0159
No.
No.
0757.Q340
No.
0757.Q178
No.
0757-0489
11
094C
11
048C
10534A
001)
11
049-H01
11
049A
355C
-hp-
Model10515A
·hp·
105A/S
-hp- Part
-hp- Part
-hp- Part
-hp- Part
-hp- Model
-hp- Model
See
Figure 5-5
See
Figure 5-4
-hp- Model
(for
Option
-hp-
Model
-hp· Model
MHz
MHz
ohms
steps
down
> GOdS
02%
02%
13
75
1
dB
:I:
±
to
ohms
and 1
down
and
50
in
ohms
dB
Ratio:
ohms
ohms
kHz
kHz
kHz
50
5
MHz
5
MHz
80
each)
each)-hp- Part
75
50
15
150
100
10dB
>
each)
each)
each)-hp- Part
each)-hp- Part
(1
each)
(1
(1
each)-hp- Part
Noise
to
~h
(1
pF
(1
J,lF
(1
pF
(1
~F
kilohm
ohm
ohm
(2
Impedance:
7.0mVdc
3 V rms-hp- Model
Impedance:
Frequency:
Frequency:
Spurious:
Signal
150
1600
.
012
1300
.0068
10
100
Impedance:
Frequency:
Frequency:
Frequency:
Input
Output:
Input:
Attenuator:
Mixer
Doubler
thru
Termination
Pass
Filter
Pass
Filter
Balanced
Frequency
Oscillator
Coil
Capacitors
Resistors10
Feed
Low
Low
Double
Thermocouple
Attenuator
with
(with
error
3550
141Sdisplay)
8553B/8552A
Model
3450A
1820A
Model
l80A
403A
Model
3450A
plug-in)
3590A
(with
Models
312A
5261A
5245L
known
(in
-hp- Model
-hp-
plug-ins.)
1801Aand
-hp-
.hp- Model
.hp-
3593A
and
-hp-
plug·in
with
-hp· Model
V
steps-hp- Model
MHz
MHz
30
to
dB
kHz
10
to
MHz
sec
in
10
to
48
mV
MHz
Trigger);
dS
100
jJ.V
16
panel)
10
MHz
dB
dB
dB
setting
13
100
to
mV
±
70
>
70dB
to 30 V
to
1
MHz,
to
33
± 0.01
20
0.5
10
MHz
± 0.05%
100
.1%of
de
to
50
Hz
25
mV
100
IlV
20
Hz
1
mV
(front
panel)
kHz,
ltolQOK
.1
}Jsec
de
to
±
Range:
5 V ±
7.000
Range:
Recorder
Hz
10
MHz
(rear
100
10
Accuracy:
Attenuation:
Response: ±
Frequency:
Accuracy:
Voltage Range:
Accuracy:
Frequency:
Dual channel (Ch. B.
B.W.: 1 Hz
Dynamic
Frequency:
Range:
Dynamic
Outputs:
B.W.:
Amplitude:
Frequency:
Sensitivity:
Output:
Period Average:
Time Base:
Frequency:
Analyzer
Analyzer
Counter
Attenuator
Spectrum
dc
Voltmeter
Oscilloscope
ac
Voltmeter
.0
Voltmeter
Wave
Electronic
Model 3320A/B
Model
Recommended
Required.
Characteristics
Required
Equipment
Type
Instrument
Table 5-1. Test
Section V
Page 40
Model
3320A/B
in
the Iposition. This performance test insures the
instrument
listedinTable
3.
panel
b. Set the
to
VERN IN, and FREQUENCY to
meets the
I-I.
Frequency
The specificationis0.01%ofrange.
Connect an electronic
OUlFUT
jack.
3320A/B
RANGE to MHz, VERN IN/OUT
Accuracy specifications
counter
to the 3320A!B front
00.0150.
PERFORMANCE
The
indication shouldbe15.000 kHz ± 1.0 kHz.
c. Set the
counter
3320A/B
indication should be 12.9999 MHz ± 1.0 kHz.
d. Step the RANGE
counter
indicationinStep
FREQUENCY
to
eachofthe lower positions. The
to
12.9999. The
c should be divided by 10 with
each step.
5-11.
Harmonic
5-12. Tltis performance test insures the
Harmonic Distortion specification listed
specification
from 5
and -
Hzto100 kHz, -50dB from 100 kHz to I MHz,
40
dB from I MHzto13 MHz.
Distortion.
is
divided
3320A/B
in
Table 1-1. The
into
three frequency ranges: -60dB
meets the
3320A:
a.
Connect
b. Set the
the
equipmentasshowninFigure
3320A
front panel controls as follows:
5-].
counter
TESTS
AMPLITUDE
VERN IN/OUTVERN
RANGE.
FREQUENCY...
c. Set the
.......•.•.........
..100 kHz
355D
to
J0 dB, the 355C
.
to
Section V
Full
CW
IN
010.0
3 dB, and adjust
the wave analyzer for a 0 dBm meter indication at 10 kHz.
d. Tune the wave analyzertothe second,
fourth
should
harmonicsofthe
be
at least60dB below the reference level set in
10kHz
signal. Harmonic levels
third,
and
Step c.
e. Repeat Steps c and d for the following FREQUENCY
and RANGE settings:
kHz. Meter indications for 10 kHz sidebands should
Tune the wave analyzer
Hz).
b. Connect the
3.
kHz band, excluding ± I Hz
Step
i.
h. Set the
> 60
60
g.
f. Adjust the amplitude
10
e. Set the
the frequency for
the maximum phase noise.
quadrature, the ac voltmeter will peak. This peak value
output
3320A/B
oscillator
applied
reference frequency are mixed
r<ference frequency. The
test uses a
30
specification for signal
Signal
5-16. This performance lest insures the
5-15.
in
60 Hz sidebands should be >
10.240 kHz,
Step f for 10 kHz.
wh.ichever is greater.
be
and
analyzer
(>
QUE CY
or
the
Hz
For
of
3593A
60
MHz
2, I
output
in
Step b
front panel
monitoring
3320A/B
40
2F,
-
Fl'
the mixing
and
meets the
entire frequency
))20"/1-11-))'0
OUTPUT
and
2F,
- F1 =
frequency (See
by
is
greater. A wave
3320A/B
the
(>
10 Hz) (3320B) and
the
3320A/B
Section.
3320AtB
10kHz
by mixing the
and
is
equal to
output
generated
to
Output
MHz
MHz
programmed for an oUlput
is
dB below the selected OUtpuI
MHz is 7 MHz (40 MHz
NOTE
greater.
wave analyzer will cover the upper
wave analyzer with the
3320
2QMHz
F2
10-13 MH,
MIXER
3320A/B
2,
1 spurious. 10 kHz and
is
3320A/B
60
i3
is
AMPLITUDE and the wave analyzer
3590A
=
ohms, whichever
is>
of
i spurious for a 3320A/B
dB below the reference set
3I2A
5-2.
~
OUTPUT
MHz
3320A/B
develop the
50
into
RA
TED INPUT OF
as shown in Figure 5-4.
Hz.
to
a
- I 10 dBm,
the
dB
Table
for
kHz, 70 kHz,
and
counter
As
3320A/B
on carrier. This
is
>
40
in
3320A/B
kHz, 10.120 kHz,
to
10m
Step
80
kHz.
10 MHz
the difference signal
of
the
centered
is
greater.
dB below the reference set
10.060
in
90
kHz,
100
3320A/B
set LEVELING
to
frequency, the phase
and
to
to
the
off
output
phase noise
60
FREQUENCY
of
3320B,
RANGE
and
adjust
is
3320A/B
of
the
the
5
MHz
is
and the
down in a
I-I.
The
meets the
and
repeat
the wave
to
0
and
FRE-
2,
60
the 3320A/B. The wave analyzer meter indication
3320A/B
plug-in will cover the lower frequencies
Figure
F
1
=
12
of
8 MHz, F1 =28
to
is
used to check random spurious
7MHz with the wave analyzer.
- 33 MHz). In Step c above, be sure to check at
frequency
The
of
C. Tune the wave analyzer through
b. Set the LEVELING ON
3594A
a. Connect a wave analyzer
20-33MH,
frequency to 100 kHz and
MHz
110 dBm
The specification
Spurious.
- I 10 dBm, whichever
should be >
range
for a convenient reference level on the wave analyzer meter.
adjust the
frequencies.
3320A/B. The
or
OUTPUT jack. The
the sidebands with a wave analyzer.
output
sidebands are checked at 10
- 28
frequency
example, if the
Figure 5-2). The 2, I spurious
action used
spurious. The 2, I spurious
analyzer
or -
I-I.
Spurious (short term stability) specification listed in Table
5-14. This performance test insures the
5-13.
OF
Hz).
in
Figure 5-3
3320A/B
iNPUT
Model
RA
TED
5,000,000.0
(2)
In
001)
Step c, set
(+ 24.99, Option
(1) In Step b, set AMPLITUDE
exceptions:
Use
same procedure as 3320A with the following
a.
3320B:
12.99 MHz.
i.
Repeat Steps g
Section V
355D
to
to
20 dB and 355C
and
LEVELING
and
h for the frequency
to
7 dB.
MiXER.
DO
NOT
EXCEED THE
is
at
(insure the 5 MHz osciJIator
d. Connect the equipment as shown
TESTS
dBm
of
PERFORMANCE
+
26.99
OFF.
to
Page 42
Model
3320A/B
PERFORMANCE
TESTS
Section V
FREQUENCY
..
a
hp
l£l
'~
'"
'<:1
SYNTHESIZER
33208
@
'"
'"
'"
EXT
REF
. ,
IN
MIXER
hplO534
150KHz
r----------,
,
~,
'00
'"
'1'
,
\
r:
I
3$20"'8·8'
260110
c. Set the 3320A/B RANGE to 10
to
1O.Ql,
and VERN IN/VERN OUT to OUT. Adjust the
MHz,
3320A/B amplitude for a convenient reference
ac voltmeter.
d. Set the oscilloscope DISPLAY to
adjust for a convenient display
channel A signal
will
not lock.
ALT
of
both channels. The
e. Set the 3320A/B FREQUENCY to 10.00. Adjust the
frequency
display on the oscilloscope
of
the 5
MHz
oscillator until the channel A
is
drifting very slowly.
L
Figure
FREQUENCY
level
BTrigger and
LPF
"
.0068
_________
on the
FREQUENCY
OOU8L[R
hPlO515A
QUARTZ
g
I
9
OSCILLATOR
hp
105A/8
•
~
=
WAVE
ANALYZER
hp
3590A
.
® : lil
I
@
@@
@)
CI
&-3.
"0
"
C2
.012
1300pF
Spurious.
f.
1~lol
' 0
>0
~
,
,~
C3
U
'\
& I
.J
Ground the Channel B input terminal on the oscillo-
OJ
"
scope and adjust the display for a convenient reference. Set
the input terminal to de.
g.
Disconnect Channel Bofthe oscilloscope from point
A(Figure 5-4) and connect to point
B.
h. The oscilloscope display on Channel B should
through 0 Vdc when the 3320A/B signal and the reference
oscillator signal areinphase quadrature. The indication on
theacvoltmeter, when the Channel B oscilloscope display
is
at 0 Vdc, should
be>40dB
below the reference set in
Step c.
0
•
hp
II
0
@l>
@-@
~
<j>0
3594A
1@
o~
@
drift
FREQUENCY SYNTHE SIZER
a
hp
33208
IL-""'-"-"""'-""-'
".~
• •
HOl
50MHz
OSCILLOSCOPE
hp
180A
+-
150KHz
r-
I
__I100
T
I
'.L"
IW
LJ
Figure
&-4.
PLUG IN
hPl80lA
LPF
---
'T'
.00&8
--
UI
150
C2
1300pr
AI
SignaltoPhase
A
-
---,
.01 2I
CiW'
Noise.
fREOUEHCY
OOU8LEJt
hp
IOS15A
I
I
QUARTZ OSCILLATOR
hp
105A/8
AC
r
-1
•
15KHz
LPF
r-
--,
I
RI
.
""
VOLTMETER
[g@
I
ho403A
@ ;
5-5
Page 43
5-6
IN
kHz
follows:
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
VERN
+24.99 dBm
as
__
_. + 26.99 dBm
__
....
0000.10
0000.50
0000.99
0001.
1299.
00.01
12.99
000.1
129.9
0001.
1299.
00.01
12.99
LEVELINGOFF
FREQUENCY10.00
RANGE_..10
VERN IN/OUT
in
Table
I-lover
in
Table
also
insures the 3320B
(Option 001) "
om
Hz to 10 Hz. The specification for the
I-I from
meets the Frequency Response specification listed
its entire frequency range. This test
Frequency Response specification listed
5-20. This performance test insures the 3320A meets the
AMPLITUDE (Standard)
33208
b. Set the 3320B front panel controls
Hz.
MHz.
-13
Hz
0.01
0.01
Hz
-
10
Response,
Response,
Frequency
Frequency
3320A
5-19.
OUTPUT jack.
rms
rms
a.
an
oscilloscope to the 3320B front panel
Connect
rms
be
10.000 V
± 0.048 V rms, Option 001).
(9.726 V
voltmeter indication should
3320B:
1000
Hz
1000
Hz
Hz
Hz
Hz
kHz
kHz
kHz
kHz
kHz
kHz
MHz
MHz
10
10
10
10
1000
1000
1000
100
lOa
1000
1000
be
10 Hz)
IO.OO
kHz
dBm
10
(>
ON
+26.99 dBm
...
ac
voltmeter indication should
an
ac
voltmeter to the 3320B front panel
...•...................
(3320B, Option 001) . + 24.99
± 0.05 V
ac
The
c.
Remove the 50 ohm load (75 ohm load, Option 001).
Option 001).
5.000 V rms ± 0.025 V rms (4.863 V rms ± 0.024 V rms,
Option 001). The
OUTPUT jack through a 50 ohm load (75 ohm load,
b. Connect
LEVELING
FREQUENCY
RANGE
VERN IN/OUTVERN OUT
AMPLITUDE (3320B Standard)
a.
Set the 3320B front panel controls
c. Remove the 50 ohm load (75 ohm load, Option 001).
b. Set the AMPLITUDE
a.
Connect
3320B:
The ac voltmeter indication should be 2 V
meter indication should be 1 V rms ± 0.1 V rms.
Option 001).
OUTPUT jack through a 50 ohm load (75 ohm load,
3320A:
at
em
the
13
MHz).
0.8
so
sweep
IN/OUT
the
VERN
positive and
the osciJIoscope and
as
em
3320A
Table 5-2. The peaks on the oscilloscope display
RANGE
in
e.
Set the 3320A front panel controls to the positions
Table 5-2.
negative.
should not vary more than I
listed
positive peaks
V rms.
volt-
ac
FREOUENCY
Frequency Response (0.01 Hz -
of
are
on the center line.
the display
0.2
±
follows:
rms
full
clockwise. The
d. Set the osciJIoscope vertical position control
gain
for 8 em display.
de
and adjust the vertical
of
center. Set the input terminal to
adjust
the vertical position control to position
c. Ground the input terminal
an
ac
voltmeter to the 3320A front panel
9.73 V rms ± 0.5% open circuit.
b. Set the 3320A AMPLITUDE
OUTPUT jack.
a.
Connect
QUENCY
OUT to VERN OUT, RANGE to 10 kHz, and FRE-
3320A:
75
ohms
± 0.5% into
001
:
± 0.5% into 50 ohms.
4.86 V rms
3320B Option
10.0 V rms ± 0.5% open circuit.
5.0 V rms
3320B Standard:
10%
open circuit.
2 V rms ±
to 10.00.
full
CW,
VERN IN/
an
oscilloscope to the 3320A front panel
Option 001).
±
10%
5-25.
into 50 ohms (75 ohms,
3320B Output Attenuator Frequency Response, Paragraph
Hz
- 13 MHz, Paragraph 5-21; and
this
test;
of
test
To
all frequencies
dB
output level attenuator.
the 10
(referenced to 10kHz). The total frequency
is
is
± 2 dB. The specification for the 3320B
all
settings
dB
Frequency Response, 10
total frequency response of the 3320B perform
at
response specification for the 3320B covers
± 0.5
3320A
in
Table
Absolute.
Accuracy,
I V rms
3320A Standard and Option 001:
This performance test insures the 3320A/B meets the
Amplitude
I-I . The specifications are:
absolute amplitude accuracy specifications listed
5-18.
5-17.
Model 3320A/B
TESTS
PERFORMANCE
Section V
Page 44
Model 3320A/B
PERFORMANCE TESTS
Section V
c. Perform Steps c
performance check.
d. Set the 3320B FREQUENCY, RANGE, and Vernier
to
the
positions listed in Table 5-3. The peaks on the
oscilloscope should not vary
Table 5-3. 3320B Frequency Response
RANGEFREQUENCY
1000
Hz
1000
Hz
1000
Hz
1000
Hz
1000
Hz
1000
Hz
1000
Hz
!i-21. 3320B Frequency Response.10Hz
5-22. This performance test insures the 3320B meets the
Frequency Response specifications listed
the 10 dB
specification
a. Set the 3320B front panel controlsasfollows:
b. Connect the equipment
c. Adjust the AMPLITUDE
7.000 mV
altenuator
is
± 0.05
AMPLITUDE (Standard)
VERN IN/OUTVERN OUT
RANGE..
FREQUENCY10.00
LEVELING
± 10
IlV
anddof
in the straight through position. The
dB
(Option
indication on the de voltmeter.
the
3320A
mOre
than ± 0.2 em.
0010
0005
0001
0000
0000
0000
0000
(referenced to
001)
.10 kHz
ON(>10Hz)
as
shown in Figure 5-5.
of
the 3320B for a
sectionofthis
<0.01Hz- 10 Hz),
Vernier
00
00
00
99
55
10
01
·13
MHz.
in
Table
I-I
with
10kHz).
+26.99 dBm
+24.99 dBm
to
d. Set the 3320B RANGE and FREQUENCY
positions listed
should
voltmeter indications by 71.5 to transpose the errors
indications. Record these adjusted indications. These readings will
quency Response performance test.
Table 5·4. 3320B Frequency Response (10 Hz -
!i-23. 3320B
5-24. This performance test insures the 3320B meets the
attenuator
specification
to the straight-through position
This specification
the