EIP 545A, 548A User Manual
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Models
545A
&
548A
Microwave
EIP Microwave, I
2731
North
Manual Part Number 5580033-00
Printed
in
U.S.
A.
November 1987
First
nc.
Strtttlt, Slln Jose. CA
Frequency
95134
Counters
TEL:
(408)433
TWX:
910-338-0155
545A.
548A .
-5900
CCN
CCN
2209
2309
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5580033
Printing
History
New editions incorporate all update material since the previous edition. The date
title
page
changes
are
incorporated, the manual
only
when a
is
neVv
edition is published. If
minor
corrections and updates
reprinted but the date and edition number on the
title
do not change.
FIRST
EDITION
SECOND
THIRD
FOURTH
FIFTH
SIXTH
SEVENTH
EIGHTH
EDITION....
EDITION
EDITION •....•.....
EDITION
EDITION
EDITION
....................
. . ......
EDITION
...................
April,
..................
. . . . . . . . . . . . . . August 1985
..........
.........
. ....
.
.
....
.......
....•.
.
.....••.
April, 1983
. . August 1986
. October 1986
...
January 1987
June
November 1987
1981
1987
on
the
page
IIi
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5580033
Certification
EIP Microwave certifies
found
factory
EIP Microwave warrants this counter
for
level,
warranty period, provided the entire co
to
be
in conformance
.
one year from the date
is
not
covered
inspection label, marking,
replace
service
will
expressed
at
its
option
facility. In-warranty counters
be
returned freight
or
implied.
that
this
instrument
with
the specifications noted herein at
of
delivery. Damage due
by
the warranty. Removal, defacement,
or
seal
, may void the warranty. EIP Microwave
, a
ny
components
will
COLLECT.
No
was
thoroughly
to
be
free
from
defects in material and workmanship
to
accident,
of
this counter which prove
unt
er
is
returned PREPAID
be
returned freight prepaid;
other
warranty
other
inspected and tested, and
time
of
shipment
Warranty
abuse, or
or
alteration,
to
be defective during the
to
than the above warranty
improper signal
of
will
EIP
or
an authorized
out-of
-warranty
any serial
repair
from
or
or
units
is
IV
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5580033
Table of Contents
Section 1,
Section
Section
Secti
Section 5. Mainten
Gener
al
Infor
matio
n Sec
DescriiJtion
Specifications
2, Installat ion
Safety
I
nstallation
Counter Identification
Shipping
Performan
3,
Front
Display . . . . . . . . . . . . . . . . . . . . . . . . . . 3·1
Operating
Power Meter/DAC
Signal I
Rear
Keyb
Units . .
Clear (Data/Display)
B
and
Resolut
Display
Mu
ltiply
Fr
equency
Test
Selection
Set-Up for
Frequ
Display
on
4,
General
Basic
Band 2
Band 3 Converter . . . . . . . . . . . . . . . . . . . . . . 4· 7
Converter
Convert
Operation
Maintenance
Fuse
Periodic
Serv1ce
Disassembly Repair,
Reassembly by Assembly
Factory ...........
Field
..........................
........
..................................
..........................
and
Storage ....................
ce
Checkout Proce
Operation
Panel
Contro
ls and I
Status
nput ...
Panel Controls
oard
........................
....
Selection . . . . . . . . . . . . . . . . . . . . . . . .
ion/Gate
and
Function .....................
ency
Er
Theory
.......
Counter ........................
Converter .......
Replacement
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
...
Time
Data
Entry
Limits
.............
.......................
Basic F requencY"Measurement . . . . . 3-
Offsets
ror
Messages
of
Oper
..
Control A1
er
A203
...............
ance and Servi
....
..................
Maintenance
. . .
..................
.
...............
................
dure
......
ndicators
....................
Option
...
and
.................
Selection
Sequence
....................
.....
atio
..........
. .
..................
..............
......................
Replacement
..
.....
......
Connectors .........
..............
n
08
..............
...........
............
.....
.
.....
.
............
...............
ce
..............
and
.
......
.
.......
.
.....
. . .
.....
......
.....
....
.
........ 4·9
........
..
........ 5-1
....
......
PAGE
.
..
....
.
... 3-1
_
..
.
...
... 3-5
. . 4-2
.....
.
..
...
1-1
1-2
2·1
2-2
2·2
2·2
2-2
3-2
3-2
3-3
. 3-4
3-5
3-5
3-6
3-7
3-8
3-9
3-10
3-
11
13
3·
13
3-14
. 4·1
4
-L
4-7
4-7
5·1
5-1
5·2
5·2
. 5-7
5-8
tion
6, Troubleshooting
Signature
Se
lf Diagnosti
Keyboard
Tests
Significant Addresses, 1/0 Ports . . . . . . . . . . . . 6-8
Signif
Troubleshooting
Test
Section
Gener
Power
YIG DAC Calibration Process
Time Ba
T
emperature
Osc
TCXO
Disp l
ection
S
Gen
Variable
Required Test
Band 1
Band 2 ...
Band 3
Section 9,
Illustrated Part
Ref
Assembly L
545A/548A Microwave
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
545/548
A 1
A101
A 1
Ana
lysis . . . .
Free
Running
Program
icant
Equipment
7, A
YIG
ill
ay Intensity
8, Performance Tests
eral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8·1
erence
00 Cou
05
Controlled
cs .........
Controlled
..............................
Addresses, RAM
Tre
Requir
djustm
enu a
al
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 ·1
Supp
ly
Adjustments
DAC
Correction
se
Calibration
Compensated
ator
(TCXO)
Calibration
Li
.......
Functional Desc ript ion and
Designations
Overall Block Diagram
nter Int
Power
Mic
roproc
. . . . . . . . . . . . . . . . . . . . . 7-6
......
ne
Voltage
Equipment
.....
s Br
eakdown
ocations
erconnect
Supply
essor . . . . . . . . . . . . . . . . . 1 05·1
..........
......................
...............
. .
Circuit
Tests
....
es
..........
ed
.........
nd
Calibrations
.........
..............
Table
....
.. ..
. .... . .
Crystal
.....................
.
.........
...
. . .
.......
.
...................
..
.........
..........
and
Abbreviati
and
Cab
le
Connections ...
Counter Top
. . . . . . . . . . . . . 1 00·1
.....
...
...
......
....
......
.
..
. .
.......
...........
. .......•
.
...
ons
Assembly
.............
.........
.
......
.....
. . . . 6-10
...
.. ..
......
.
...
....
.....
....
..
.....
.....
PAGE
6-1
6·1
. . . 6-3
...
6·3
..
6-4
6-6
6-11
6-11
..
. 7· 1
.
..
7-3
...
. 7-3
. 7-5
7-5
. 7-6
..
8·1
8-1
..
8·1
..
8-2
8·2
9·1
. 9·1
..
9·2
9-5
. 101 -1
v
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5580033
Section
Section
Option
Option
Option
Option
9,
(Continued)
A106
Count
Chain
A 107 Gate
A 1
08
A 109 Band 2 Converter . . . . . . . . . . . . . . . . 1 09· 1
A 1
10
A111
A203
10,
01,
02,
03,
04,
05
06,
Option
07,
Generator
Converter Control . . . . . . . . . . . . . . .
Front
Panel Display
Front
Panel Logic ....
Microwave Converter
Options
Digital -to-Analog Converter (DAC) 01 ·1
Specifications .
Operation
Theory
Calibration
Troubleshooting
DAC
Signatures ......
List
Parts
Power Measurement
Specifications . . . . . . . . . . . . . . . . . . 02-1
Operation
Theory
Calibration
Time Base Oscillators
Oven Oscillator Power
Oven Oscillator Calibration
Extended
Specifications . . . . . . . . . . . . . . . . . . 06-1
Op
eration
Theory
Theory
Locking Process
Initialization . . . . . . . . . . . . . . . . . . . 06-3
VCO Sweep . . . . . . . . . . . . . . . . . . . . 06-3
Centeri ng
Performance
Remote
Specifications . . . . . . . . . . . . . . . . . . 07-1
Operation ...
BCD
Re
mote
Control Line Functions . . . . . . . . . 07-2
Data Line
Program
. . . . . . . . . . . . . . . . . 107-1
and
Keyboard . . . . 1 10-1
............
.............
.......
..............
of
Operation .....
...........
...............
....
..
...
. . . . . . . . . . . . . . . . . . . . . 02·1
of
Operation
.....
,
Frequency
.........
of
Operation
of
Operation-
...
...
. .
Tests
Programming
................•.
Output
...
Programming . . .
Functions
Line
Functions
....
......
.. ..... 01·1
.....
......
...........
.....
.............
..........
........
......
Supply
.......
Capability
.....
- Hardware ....
Software
, . . . . . . . . . . . . . . . .
....
, . . . . . . • . . . . 06-4
..........
/BeD
Output
.....
...
....
. . .
.. ..
....
..
....
.
...
. . . . . 03/4/5-3
...... 06-1
....
....
.....
....
........
......
......
. . . . . . . . . 07-3
Table
PAGE
106-1
108
-1
111·1
203-1
01·1
01 -2
.
..
01·6
. . 01-7
01-8
01 ·9
. 02-1
02
·2
02
·6
03
/4/5·
1
03/4/5-4
. . . 06-1
.. 06-2
.. 06-3
06·3
06-6
07
-1
07
·1
. 0
7-1
.. 07-2
.. 07-2
of
contents,
Section
Option 08, General
Option
Option
Option
Appendix
Appendix
Appendix
10,
(Continued)
Data
Entry
Data Examples . . . . . . . . . . . . . . . . . . 07-4
Remote
Theory
Part
s List . . . . . . . . . . . . . . . . . . . . . 07-9
GPIB
Functions Implemented
Setting
Device
GPIB
Instruction
Formal
Program
Available
Data
Output
Program Examples
Reading Measur
Allowable Address Codes .........
Parts List
09,
Rear I
010,
Chassis Slides
13, Mate-CIIL Interface .
14,
0.1 Hz Resolution .
A, Accessories .
Furnished Accessories
Pur
chased Accessories .
Remote
Service Kit
New
Oth
Sensor Option
B.
List
C, Memory Address Ch
Error
Messages. . . . . . . . . . . . . . . . . . . . . . . . C2
er New
Features
continued
. . . . . . . . . . . . . . . . . . . . 07-4
Programming Pin
of
Operation
Purpose
Address
Dependent
Definition
Code
Commands
nput
....•...........
of Manuf
Int
Switch .....
Data In
Format .....
of Instructions
Set
. . . . . . . . . . . . . . . . . 08-4
Format
ement
................•.•...
. . . . . . . . . . . . . . . . . . . . 09-1
....
..........
.....
....
actu
. . . . . . . . . . . . . . . . . . . . . . C2
Connecti
. . . . . . . . . . . . . . 07-6
erface Bus (GPIB)
.........
..
put
.....
..
. . . . . . . • . . . . . . • 08-6
....
..
....
.......
...
................
.......•.
...
rers
anges.
• ...••...
........•..
. .
.........
........
.........
....... .. .....
.....
... ...
...
. . .
...
..
........
. . . . . . . . . . . .
ons
.. 07-5
.•. 08-1
......
.... 08
...
..
. . . .
.. 08-3
. . , . 00·
... 08·
• . . 08-
....
. . •
....
.....
......
PAGE
08-1
08
·1
·2
08-2
10
08-1 1
12
13
0
8·
1 5
010-1
013
-1
014-1
A·
1
• A· 1
. A-1
A· 1
.. A-2
..
B-1
C1
VI
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5580033
Figure
3-1
3-2
3-3
3-4
4-1
4-2
4-3
4-4
4-5
4-6
4-7
4-8
4-9
4-10
4-11
5-1
6-1
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
6-
10
6-11
6-
12
6-13
14
66-
15
6-
16
6-
17
Numb
er
Front
Panel, Model
Front
Panel, Model
Rear
Panel ......................
Keyboa
rd
....
Cou
nter
Blo
ck Diagram, Simplified ...
Band 2 Converter
Simplified
Band 2 Converter
Band 2 Operating
Band
3 Conve
Band 3 Operation,
Band3SearchforSignal
Determin
YIG Centering ........
Calculate N
Band
Counter
Microprocessor
Self Diagnostic
Keyboard
Keyboard
Converter
e Largest Signal ...
and
3 Signal
Assemb
Configuration
H
exadecima
Test
Ramp
545A
. .........
548A
............
.......
Block Diagram,
.............
Operation
Ranges
rter
, Simpli fied . .......
Simplified .........
VCO
Tracking ............
ly
Locations
Free
Error Indications
l In
puts ....
Signatures ......
Test
.. ..
......
............
...........
..
Frequ
ency
Running Signatures
for Tests Requiring
Signatures
.
....
........
...
......
.......
......
.......
.......
......
..... . 6-5
1/0 Addresses . . . . . . . . . . . . . . . . . . 6-8
RAM Fr
RAM
Troubleshooting
Main
Program Inoperative
Keyboard
Band
200
Band2
Band 3 ....................
Power Meter
equency
Power
Troubleshooting Tree
1 . . . . . . . . . . . . . . . . . . . . . . .
MHz
Test ........
..........
Storage .....
Storage
Test
..
. .
....
& P
owe
.............
Equip
. Required
..........
...
...........
.............
..........
....•...
r Meter
Zero
......
...
DAC . . 6-
....
...
.
Page
. . 3-1
3-3
3-4
. 3-5
..
4-1
4-3
4-4
4-5
. 4-6
4-8
4-
10
. 4-1 1
4-12
4-13
4-
14
5-9
. . 6 -2
6-3
6-4
. 6-6
6-
10
.
6-10
.. 6-11
6-12
6-13
6-
14
6-15
6-16
. . 6-
16
..
6-17
20
igure
F
10
5-1
10
5-2
10
5-:J
10
6-1
10
6-2
106-3
107-1
10
7-2
10
7-3
10
7-4
108-1
108
-2
108-3
108
-4
,
0-1
110-2
111-1
111-2
11
1-3
111-4
203-1
List
Micr
Microprocessor
Microprocessor Schematic
Count Chain
Count
Co
G
ate
G
ate
Gate
Gate Generator
Conv
Program
Conve
Conv
Ba
Band 2
Band 2 Converter
Front Panel Disp lay
Front
Memory Update
Front Panel
Front
Front Panel Logic
B
of
Illustrations
oprocessor
Chain
unt
Chain Schem
Generator
Generator
Generator
erter Control
Div
ider
rter Cont
erter
nd 2 Converter
Keyboard
Pane
and
Panel Logic
and
3 Microwave
Block Diagram . • . . . . . . • . • • •
Block Diagram . . . . . 1 05·2
Component Locator.
........
Block Diagram . . • • • . . 106·2
Component Loca
atiC . . . . . • . • . • 106-7
Timin
g Diagram . .
Block Diagram
Component
Schematic
mab
le
Frequ
Diagram ..•.
rol
Control
Converter
Component
l Display
Keyboa
rd
logic
Block Diag
Componen
Schematic
Blo
Componen
SchematiC
Schematic
Mode
Block Diagram
Component Locator
Schematic
...•.
enc
y
•......•.
ck
Diagram
and
Locator
Sequence ....
Converter
. 1 05·5
tor
. . . 1 06·6
..
...•.
Locat
or
•..
ram
.••
t Lo
cator
. , •••.
....
t L
oca
tor 1 09-
. . • . . . 1 09-
. . • 1 10-4
. . . . • . 1 1 0·5
...
. • . . . . 1 1 1· 7
Page
105·7
10
7-3
10
7-4
10
7-8
10
7-9
108
·1
10
8·2
10
8-8
10
8·9
10
9-4
10
11
11 1
11 1·3
1 1 1-6
203
·2
·2
7-1
7
·2
9-1 Assembly L
9-2
100
-1
00
-2
1
101 -1
101-2
101 -3
Adjustment Loca
IF
S1g
nal . . . . . . . . . • .
545/548 Block
Counter
Component Locator
Counter-Int
Power
Supply
Pow
er Su
P
ower Su
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
tions .
ocations/Cable
Diagr
am
Interconnect
erconnect Sch
Block D1agram
pply Component
pply
Sche
matiC
......
....•......
Connections ... . 9-2
........
. . . . . . . . . . 100-4
ematic ...
Locator
......
.....
..
.
.......
. . .
....
..
....
.
7-2
7-4
9·5
100
101-1
101 ·4
1 01·5
-5
vi
i
5580033
List of Illustrations, continued
Figure
)1-1.
)1
-2.
01
-3.
01
-4.
01
-5.
J2-1.
J2-2.
3.
J2-
J2-4.
)3
/4/5
-1.
)3/4/5-
)3/4/5
-3.
)3/4/5-4.
3/
4/5-5.
)
!3/4/5
-6.
DAC Board, Simplified
Keyboard Con
DAC
Board Update
DAC
Component Loca
DAC
Schematic
Power Meter Hardware . . . . . . . . . . . . 02-3
Power
Met
Gate Generator Component Loc
Gate
Gen
Time
Base
Spec
ifications
2.
Component Location,
Option . . . . . . . . .
Time Base
D
iag
ram
Oven Oscillator Power S
Component Lo
Time
Base
Time Base
trol ..
..........
...............
tor
.........
................
er
Task
.. ..
.........
erator Schematic ....... _ ...
Oscillator
Option,
.............
Calibration
Option
Option
..............
Time Base
..
. . . . . . . . . 03/
Interconnection
upply
ca
tion . . . . . . . . . 03/4
.....
Sche
mat
ic . . . . .
_
ator
..
. .
...
(A
1 1 2)
..... 03/4
P
age
01
...
01
01-5
01
-10
01
-11
. . _
02
_ . 02·1 0
02-
03/4/5-1
4/5
03/4/5-2
/5
/5
03/4/5
-2
-4
-3
11
-2
-3
·4
-6
Figur
06-1.
06·
2.
07-1.
2.
07-
07
-3.
07-4.
OB
-1.
-08-2.
08-3.
08-4.
010
-1.
e
Frequency Extension Block Diagram
Locat
ion of
Installed Band 4
Converter
Data
Remote Programming/BCD Block
D'
1agram
Remote Programming/BeD Component
Locator .....
Remote Programming/
Schematic
Allowab
Locati
GP
IB Component Locator
GPIB Schematic . ......
Side View of Counter
Installed .
•••
••••
Entry Timing
. .
...............
le Address Codes . .
on
of GPIB in Counter
.. ............
..........
.......•
....
•
•••••
BeD
with
..
0 •••
.
.......
........
.....
......
........
. .
......
Option
.....
.
_
10
...
..
..
•••
•
.
..
.
.
.
.
.
.
Page
06-2
06
-7
07-4
07-7
07-10
07-
11
08-13
08
·14
08-16
08-17
010
-1
viii
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5580021
General
Section
1
Information
DESCRIPTION
The
54XA
series
counters
frequency
equ
(
See
Using keyboard
Options include Power M
and
Full frequency
spans
50 ohm
50 ohms nomin
above 26.5 GHz a
M
easu
H
z. When the optional power
in
dBm
range from
ipp
ed
with
frequency exte nsion capab
Model 590) to measure
D/A
Converter
range
a 10 Hz to 100 MHz ran
s,
a 10 MHz to 1 GHz
al
rements
with
are
.1 dB r
10 Hz
control, the 54
output.
is
covered in three b
ove
r a
range
re
mote se
presented on a 12
esol
uti
are
microprocessorto
18 GHz and 10 Hz
up
to
110 GHz.
XA
series count
easurement, full Systems capability via GPIB
ge,
with a sensi
range,
of
1 GHz
nsor, with
measurement
on,
and
an
digit LED
frequency resolution is li
based
heterodyne instruments. The
to
26.5 GHz.
ility
(Option 06).
ers
provide frequency offsets and frequency selectivity.
ands.
Ban
d 1
tivity
of
with
a sensitivity of - 20 dBm. Band 3
to
18 (or
26.5) GHz, and a sensitiv
appropriate waveguide input,
display that
functio
n is activated, the digits on the far right display power
is used
is
a high impedance i
25
mV RMS.
is
sec
mit
ed
to 100kHz.
respec
in conju
is call
tionalized
545A
and 5
48A
tively. The model 548A, when
nct
ion
with
a remote sen
or
BCD/Remote Programming
nput
Band 2 h
ity
to
ed
to
( 1 M oh
as
an
has
an
- 30 dBm. For frequencies
Band 4.
read GHz, MH
input
input
m/20
impedance
impedan
z,
span
the
sor
pF). and
of
ce
of
kHz, and
1·1
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
5580033
SPECIFICATIONS
BAND
1
RAN
GE
SENS
ITI
VITY
I
MPEDANCE
CONNECTOR
MAX. INPUT
DAMAGE
BAND
RANGE
SENSITIVIT
DYNAMIC RAN
IMP
CO
MAX
DAMAGE
ACOUISITION
BAND
RANGE
SENSI
DYNAMIC
LEVEL
2
Y ·
EDANCE
NNECTOR
INPUT
LEV EL
3
TIVITY
RANGE
LEVEL
LEVEL
~DANCE
CONNECTOR
MAX.
INPUT
f[)AMAGE LEVE
ACQUISITION
AUTO
AMPLITUDE
DISCR
f---'-="
IMINATI
-
FM M
ODULATI
VSWR
FREQUENCY
GE
TIME
-30dBm: 1.0GHz
-2S
1 G
12.4 GHz
----
LEVEL
L
TIM
E
ON
ON
LIMIT
dBm: 12.4
Hz
10
12.4
to
-
GHz,
18 G
GHz
to 1
Hz,
to
37
32
2.4
1B
dB
GHz
dB
10H
z tO 1
25
mV
rms
1
Mn/
~0
BNC
!fema
1
20 V rms
150 V
rms
.
(Above 1 KHz
down
to 3.0 V
10 MHz to 1
20
dBm
30
dB
SOn Nomi
BNC
(femal
+10dBm
+27
dBm
<
50 msec
1 GHz
to
GHz
SOH No;;:;·
+7
S
IAutomatoc
f
20
< 2 5 1 lVPICal
Keyboa
will
Sognal O
least 1
10
MH
---
M
odo! S45A · Precoso
odel 548A · AP
M
dBm
W
atts (+37
250
msec I
req
uen
c1es
MHz P
rd
measure largest
UtS1d
00 MHL f
dB
above
z
00
MH1
pF
le)
•
.
GHz
nal
~)
18 GHz
inal
dBm
ndependent
amplitude
l 10
Pup
to
con tool
e o
per
rom
desired
max
. onpu t
will
rms
. )
I26
.S GHz
-20
dBm
15
dBm: 22
: 18 GHz
to
to
-
18 GH1
22 GHz
-------
on type N,
C • 3.S (female)
-
l
of f
doscromma11on o f two
dB
10 MHz
of des
rat
ored
lorn1ts (standard
s1gnal
woth
a t
ong
band
ei t
her limot
sognal, separatoon
decrease
for
model 548AI
GHz 10
22
GHz,
26.S
GHz,
(female
requency
e
1n
programmed
must
be
For Signals m
to
22
26.5
27
)
separat
is
at 6
GHz
dB
22
typ,ca
--
GHz
dB
). Cou
dB/
l1mots
ed
ore
lly
octave
nte
by
than
200
--
r
at
TIME
BASE
FREQUENCY
~A
;...;,.;
G
..;:
I
.,;:
N
::.c
G
::..::.
R
c.cA..;:
~S~H~Q~R~T~T~E
TEMPERAT
LINE
VARI
WARM
UP
OUTPUT
EXT
FREQ
. TIME
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
T_E
_______________
'-'R~M
'-'--------------<~I~1-x~
URE < J I x 10·
ATI
ON'
TIM
E
UEN
CY
BASE
10 MHz
<~I1
< 11 x 1Q·
NON E
10 MHz, square-wave, 1 V
Requ
1-2
TCXO
x 1o-7
!per
17o~--~
'
lrl
r~m~s~fo..;:
61 0'1o + 50' C
71 ± 10
ires 10
MHz
mon
th
11 x 101
r~o~n-csecondave
%chan
, 1 V P·P
ge,
Pil
minlmlm
11
x
10·6
r
agl
ngt
mln~mum
Into
1P~
r
ye
a•
ime. ---
in t o 50 Ohms.
300 ohms
.
----
~
5580033
SPECIFICATIONS, continued
GENERAL
RESOLUTION
MEASUREMENT
DISPL
AY
ACCURACY
TEST
SAMPLE
RESET
OFFSETS
OPERATION TEMP
POWER
WEIGHT,
W
DI
ACCESSORIES
RATE
NET
EIG
HT, SHIPP I
MENSIONS (HWD)
TIME
.
NG
FURNISHED
Front
panel
keyboard
1 m
sec for
1
sec
12
± 1 count
Fron
Con trols time between measure
100 msec
holds display
Resets display
Keyboard control
power
Displayed frequency (power)
resol
o
·c
100/120/220/240/VAC ± 10
60Hz,
-26
-J21bs
3.5" x 16.75" x 14.0"
Power Cord and Manual
1 KHz
for
1 Hz resoluti
digit
LED
±ti
t panel selected diag
typ
, to
offs
ets (standard with
uti
on (0.1
to
so
·c
60
VA
lbs. (11
.8
(14.5
.
i'l2_
ut
select 1 Hz
resolution
on
sectiona
lized
me
bose
error
nosti
10
sec
indefinitely.
to
typi
. Switchable
zero and Initiates new reading
of
frequen
dB
powe
r).
cal
k~)
kg)
(89
mm
cs
ments var
Hold
cy
offsets (st
pow
er measurement
Is
offset
by ent
% (selecta
X 4
25
mm X 356
to
1 GHz
iable
position
andard) and
ering value
ble) 50
from
to
Option
mm l
to
02).
1 Hz
BAND
4
Used
with
578106 Counter
OPTION
SELECT
Waveguide Band
Range
Sensitiv
Waveguide
Waveguide
Ma
x.
Input (typ)
Damage Level
Aqulslt•on Time (typ)
EXAMPLE:
ity
BAND
(typ)
Size
Flange
lf
Model
M
and
590 Frequency Extension Kit
91
41
Ka u E w
26.5-40
GHz
-2
5d8m
(-20
dBm min)
WR-28
UG-599/U UG-363/U UG-387/U
t5
dBm
t10
dBm
<2
.5 sec
desired meas
578
odel 590 -Extended
urem
with Opti
on
92
42
4Q-60
-25
dBm
WR-19
-+5
dBm
t10
dBm
<2
.5 sec
ent
Is
60
- 90 GHz.
06 -Extended
Frequency
GHz
Go-90
-25 dBm -
<2
Frequency
Cable
93 94
43
GHz
90-110
WR-12
-+5
dBm
t10
d8m
.5
sec
the
required
Kit
and
with Opt
ion
44
GHz
25
dBm
WR- 10
UG-387/U
t5
dBm
t10
dBm
<2.5 sec
equipment
93
- R
emo
42
Is:
te Sen
95
or
v
60-75
-25
dBm
WR-
UG-385
t5
dBm
t10
d8m
<2
.5 sec
43
GHz
15
sor
/U
96
41
or
33-50
-2
5 dBm
WR-22
UG-383/U
+5
t10
<2
.5 sec
42
a
GHz
dBm
dBm
1-3
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
5580033
SPECIFICATIONS, continued
OPTIONS
D
TO A CONV
01
DAC
output
POWER
02
1
to
f
rom
Power
Opt
ion
will
18/26
-10
EATER
convert any three consecutively displayed
on rear panel.
METER
.6 GHz
will
dBm
offset
to 0.1 dB resolution
will
no t degrade the basic
measure sine wave
to
over
load
See Se cti
and display 0.2
, selectable f
perfo
TIME BASE OSCILLATOR OPTIONS:
03
AGING
RATE/24 HOURS
(Al
ter 72 ho
SHOAT
( 1
second average)
0"
to
S
TABILIT
±
10
06
TEAM
+50 • C
Y
% LI
NE VOLTAGE
EXTENDED
Use in conJ
ur
warm-up)
STABILITY
TEMPERATURE
CHANGE
FREQUENCY
unction
with models S90 Frequen
<i
s"
< 1 x
<1
6 x 10·8 1
<i
s x 10-1
CAPABILITY -S48A
on
amplit
dBm
rmance
10·9 1
10
-IOrms
01
10
for
deta
digi
ude
to
resolut
rom fron
of
the
coun
<1
< 1 x 1Q·10 rms
<iJ
<
cy
Ex1ension
----
iled i
nformation
ts
into
an
analog
0,1
dBm
ion
t panel.
resolution fr
simultaneously with frequency.
ter.
04
1 X 10·
91
x 10·
81
12
x 1o-1o 1 <
kit
.
voltage
om
05
<
i5x1Q
< 1 x
10
< I J x 10·
12
x 1o-
sensi
·10 j
10
'
tivity
rms
81
1o
to
-10
dBm
;
1
07
REMOTE PROGRAM
08 GPJB -
09
10
Provid
REAR INPUT
CHASSIS
es
SLIDES
MING
programm
/BCD
ing and o
OUTPUT
utput
capabil
ity
per
IEEE 488·
1978
.
1-4
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
5580033
Section
Installation
SAFETY
The Mode l 545A/548A Microwave Counter is a Safety Class I instr ument. This instru
been designed and
contains information, cautions, and warnings that must
ensure
SAFETY SYMBOLS
WARNING
CAUTION
OVERALL SAFETY CONSIDERATIONS
safe operation and to retain the instrument
tested
The
WAR
NING si
practice
personal injury.
The
proce
resu lt in d
which, if not correctly pe rf
CAUTION
dur
e or p
amage
accord
ing to international safe ty requ
in safe condition.
gn
denotes a hazard.
sign denotes a hazard.
ractice
which, if n
to or destruction
WARNING
ot
correc
of
irements. This manual
be
followed by the service person
It calls attenti
ormed or
It
calls att ention to an operating
tly p
erformed
part or all of the product.
on
to a pr
adher
ed to, could result in
or adhered to, could
oced
ment
ure
2
has
to
or
Before
terminals
protective
plug
protective
negated
without a protective
Only
specified
short-circuited
or
Wh enever
the
aga
All
autotransformers,
should
protecti
will
personal
this
of
conduction
shall
only
earth
by
fuses
type should
fire
haz
ard
instrument
inst
any
protecti
be
ve
cau
se a
injury
instrument
this
be
inserted
contact.
the
use
with
the
fuse
.
it
is
likely
must
unintended
ve earth
and
connected
earth
contact. Any
potential
.
Is
switched
instrument
of
the
In a socket
The
of
an extension
earth
(grounding)
WARNING
required
be
used.
holders. To
WARNING
that
the
be
made
operation.
WARNING
terminals
devices
to a socket
shock
on,
must
(mains)
protective
protection
interruption
power
rated
Do
not
do
so
inoperative
. ex
connected
outlet
hazard that
the
protective
be
connected
cord.
outlet
provided
action
cord
conductor.
current,
use
repaired
could
has been
and
tension
to
provided
of
could
earth
to
the
The
mains
with
must
not
be
(power
voltage,
cause a shock
this Instrument
the
cable)
fuses
impaired,
be
secured
cords,
with
protection
result
and
or
in
a
a
2-1
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
5580033
INSTALLATION
No special installation instructions are required. The counter is a
mounted
line
COUNTER IDENTIFICATION
This
number
any
SHIPPING
Should it be necessary to ship the counter, wrap it in heavy plastic
original container
test) double- walled
counter
car
STORAGE
The instrument
other
to
above
unit and only requires connection to a standard 1 00/120
for
operation.
CAUTION
Check
panel
counter
correspondence
ton to Indicate th at it contains a fragile electronic instrument.
contam
temperatures
is
identified by two sets of numbers, the model
that is located on a label affixed to the rear panel. Both numbers must
and
the
sho
inants at an altitu
30°C,
45
current
VAC
selector
regarding this
if
available.
carto
inn
er
carton. Seal
uld
beyond the ran
±5%
If
n with approximately four inches
be
stored
above
rating
the original container cannot
de
30°C},
of
counter
switch
counter
the
In
of
less than 12,000 m ( 40,000 ft) and should not be exposed
ge
of
before
.
carton with strong filament tape
an environment that is
-40° C to
dripping water,
fuse
and
setting
applying
75°
power
number
be
used, use a heavy (275
of
packing material between the
protec
C, humidity above 95
or
vibration shock of greater than 2 g.
self-contained
/220/2
40V
50-60
of
rear
to
counter.
545A
or
548A and a serial
be
or
kraft
paper
or
strapping. Mark the
ted from
sand, dust, and
bench
±5%
or
Hz
power
mentioned
and repack in
-po
(75
rack
in
und
±5%
PERFORMANCE
The following
1 . Turn counter power switch off. Check fuse rat ing and setting of AC
panel.
2. Connect
ground
3. Turn
4. Press 0 0
5. Press 0 0
6. Press 0 0
7. Press 0 0
8. This
POWER
This ind icates that automatic self-
comp
CHECKOUT PROCEDURE
procedure can
power
terminal on t
TEST
swit
cord
ch
be
to
100/120
he
power cord plug should
on. Dashes will be displayed for about one
GJ.
TEST
[D.
TEST
CIJ.
TEST
GJ.
letes
the perf
ormance
performed
or
Display should read 200 000 000 ± 1.
Display should read a
Each display
Each digit shou ld light in turn.
without special tools
220/240
check
checkout procedure.
V,
50-660
be
grounded.
has been completed .
ll
B's
segment
sho
or
equipment.
Hz
single-phase
second,
and a
ll
annunciators should
uld light in turn.
POWER
switch on rear
power source. The
followed by all O's.
be
lit.
2- 2
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
5580021
lr.f
I l
'3
----..
'3
S
~-·-------
t~,
6 '-1
-, ,:'
------
Figure 3·1.
-,
--~
Front
..
.
,
~
Panel, Mod el
545A
Section
3
Operation
FRONT PANEL CONTROLS
DISPLAY
•
Th
e 12
digit
LED displ
fr
equency. The freq
GHz, M H
right-most digits. When
100kH
• POWER switch turns counter on.
• SAMPLE
(
Ga
The last reading
GATE
•
• SEARCH ligh
•
RESE
z,
kH z and H
z.
RATE/HOLD vari
te time
is
lights when the signal gate
T manually
uency readout is displayed in a fixed position format that
added
to
is
retai
ts when
ove
r-rides all control
AND
ay
provi
z.
Power
bot
h power and frequency are displayed, freq
es
sample time, thus the
ned
inde
the counter
INDICATORS
des
a direct numerical readout of a m
information
time between measurements fro m 0.1
finit
ely in HOLD.
is
open
is not
s, resets
is displayed in dBm
mini
mum
and a measu
locked
to
an
the counter
reme
input
reading
nt
is
signa
and
converter,
bei
l.
for
ng
to
1 Hz r
made.
easurement or
0.1 dB r
uency resoluti
esolutio
to
10
esolution
and
initiat
of
is
sec
tiona l ized in
n, on the
on
is limit
secon
ds (nominal).
is
1.1
es
a new readin
an
seco
input
three
ed to
nds.)
g.
3-1
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
5580033
OPERATING
The
ope
data,
instead
STATUS
ratin
g status
of a measurement,
of
• REMOTE lights
co
•
•
•
•
•
ntrolled
EXT
dBm
FRO
OFFSET,
Band
REF
lights
LMT, L
1,
2,
by
the
lights
to
indi
OW/
PWR/FRQ
3,
41,
Band 4 annunciator
sel
ected
(Available
the
counter is
to
indicate
GPIB
option
to
indicate
cate that
HIGH lights
lights
42,
43,
44
is lit it i
on
548A
indicated
the appropriate
that
front
(08).
or
by
the
counter
When
EXT
indicate
the
Power
Meter
when
frequency
when
power
light
to
indicate
ndicates
that
only).
by
a series o f LEDs. When the count
LED status indica t
panel
contro
the
BCD/Remote Programming
is
set
to
an
external time
or
will flash.
ls are disabled,
base reference.
CAUTION
REF lights it
that
correct
has been
option
limits
and/or
frequency
which
the
Extended
signal level
applied
(02)
for Band 3
operating
does
NOT
.
is active.
offsets
range has
Frequency
operation
are s
and
option
have
tor
ed
been
Capability
that
in
sel
optio
er is
the
(07).
been
the
counter
ected.
displaying
counter
sel
ected.
When
n (06) h
input
is
being
memory.
any
as
been
• DAC lights
• ML T lights
POWER
Four
• ON/
•
•
• DAC
METER/DAC
keys
control the
OFF
OFFSET
dB
pushbutton
pushbutton,
in
will sel
to
indic
ate
that
the
to
indicate the
OPTION
operation
push
button activates/deactivates
push
button
acts as a t
ect
the
most
multiplier
KEYBOARD
of
these
activates
erm
ina
follow
ed
by
significant digit
Digital-to-A
function
options
the
power
tor
for
the
two
c1igits
(00 = OFF,
nalog
is active.
.
power
offset
input
(00-12).
Converter
option
meter.
fun
ction.
of
power offsets.
activates
01 = 1 Hz, 12 =
01
the
is
act
DAC
10
ive.
option.
G Hz).
The
number
keyed
3-2
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
5580021
26Y99'3:13958
SIGNAL
INPUT
. .
Figure 3·
2.
Front Panel,
'"'
'
.~..:-
~
548A
~t\)
..
::.:..4®
• Band 1 i
20
• Band 2
ur
• Band 3
ation
f
or
• Band 4 is used in co
Frequency Extension Cable
and cover waveguide bands from
nput
conn
pF. It
is
used
for
input
conn ector (BNC femal
ements in the range
input
connector
in
the range
operat
ion
in
the range
ector
(BNC female) h
measurements in the range of 1
of
of
1 GHz
njun
10 MHz
on
ction
the model
to
of
1 GHz
with
kit
to
18 GH
and a remote
26.5
as
e) has
a nominal
1 GH
z.
545A
z.
Mod
to
26.5 GH
the Extend
to
1 10 GH
a nominal
is
input
impedance
0Hz
to
100 MHz.
input
impedan
ce
of
a precision type N female. It
el
548A
has
an
APC-3.5 female connector t
z.
ed
Frequency capab
senso
r. Remote sen
z.
ility option (06), the Mod
sors
of
1 M
eg
50 ohms.
is
used
are options
ohms, shun
It
is
used for
for
counter oper·
hat
to
the Model 590
ted by
meas
is
used
el
590
-
3-3
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5580021
REAR PANEL CONTROLS
e Spaces label
connec
• TIME BASE
precise setting
• TIME BASE INT
• TIME BASE
external 10
•
DAC
in
strume
• GPIB con
• FUSE provides ove rload
U
se a .50 amp slow-blow
ed
tors in inst
ADJUST contr
connecto
MHz reference.
OUT
connector
nts equipp
nector
BAND 1, BAND 2, BAND 3, BAND
rum
ents equipped
of
the
intern
/EX
T s
wit
r (BNC female) allows
provides a voltage
ed w
ith
is used
with
protection
FST
Figure 3-3. R
AND
CONNECTORS
with
Option
ol
is
used
with
options
al ovenized cry stal oscill
ch selects eith
Option
01, D
the IEEE 488- 1
type fuse
er
analog
to A Converter.
. Use a 1
for
220/240 V operatio
the
monitoring
to
978
amp
ear
Pane l
4,
and
TO
09, Rear Panel I
03,
04,
or
ator.
internal
Gener
slow
any
time
of
internal
specified
.. l Purp
·bl
ow
MDL
REMOTE
nput
05
only. Scr
base or
three
ose Interface Bus.
type
n.
SENSOR
.
ewdriver
an
external
10
MHz time base,
digits
of frequency
fuse for
are used for those
adjustment all
10
MHz refer
or
input
displayed, in
100
/ 1
20Vopera
ows
ence.
of
an
tion.
•
VA
C SWITCH sets the
100, 120,
at freq
• AC POWER
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
220,
uencies o f
connector
and
50
240
to
Switch
operat
in g voltage
V AC.
Counter
60
Hz.
setti
ng a nd fuse rati ng
accepts the p
of
will
ower cord
the
counter
operate
at
CAUTION
must
supplie
d with the
3-4
to
match
voltages
match
power
line . Th
within ± 10% of select
power
line voltage.
counter.
ere
ed line
are 4
sett
ings:
voltage,
5580033
MULT
D
•I
FREQ
II
offset
BAND
FREQ
liD
low
RESOL
LIMIT
high GHz
TEST
.....
••
Figu re 3-4.
Keyboard
MHz
DATA
..
C R
DISPLAY
KEYBOARD
The
keyboard
used
for
numerical data ent
(MHz
and
GHz)
DATA
and
CLEAR
are also
function.
UNITS
PRESS
PRESS
CLEAR
PRESS
PRESS
used
(MHz/GHz)
:
:
(DATA/DISPLAY)
:
:
DISPLA
consis ts
act
to
select
MHz
0
0
GHz
DATA
D
CLEAR
CLE
AR
D
of
16
pushbuttons
ry,
the
dtgtts 0 t
as t
erminators
DISPLAY
the
band, resolutton, test function,
Completes Entry
Completes
Return
Clears Lim its ( Low/ Htgh),
Clears
measur
Y
for
the
keys
are used
Sequence
Entry Sequence
"STORED" data
disp
lay.
Does
ement
mode.
that contr
hroug
h 9,
tnput
of frequency
to
clear stor
of
select
Offsets,
not affect
ol maj
or funct
the
deci
ed
or
frequen
ed function
DAC,
stored
ions
mal
offset
displayed
cy off
to
and
multiplier
data.
Restores
of the count
point
and the
or frequency
data.
Seven
set
, frequency
Pow
er
On
operations
counter to
er. Twelve
minus
of
lim its,
state.
sign.
ltmi t
s.
the
numerical
and multiplier
.
keys
are
Two key
The CLEAR
keys
s
3-5
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5580033
BAND SELECTION
To select one
PRESS
Notice annunciator flash and selected band number
inputs
The
PRESS
PRES
PRESS
On the model
Band 4 is
PRESS
For exampl
of
three standard operating bands
BAND
:
O
to
be
connected and selected in
"BAND"
:
S:
:
se
lected by:
:
e,
CQ
KEY
follow
BAND
0 W
BAND
0 0 10
BAND
0 0 1 GH
548A
equ
BAND
08]0
with the 91 Sensor you
BAND
or
ed by a numeric key enabl
10Hz· 100 MHz
MH
ipp
ed
with
00
turn.
z · 1 GHz
z-
18 GHz (Mod
option
06, a 590 cable kit and appropriate optional remote sensor,
will
press
on the model 545A
Input
Input
:
or
548A
.
BAND
or
will
light
when chosen. This feature allows
es
the
following band selection.
el
545A) 26.5 GHz (Model 548A)
BAND
00
D CDGJ
multiple
3·6
L
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5580033
RESOLUTION I GATE TIME SELECTION
The
"RESO
PRESS:
PRESS
PRES
PRESS:
PRESS:
PRESS
PRESS:
L" key followed by a numeric key enables
RESOL
1 Hz
RESOLUT
10Hz RESOLUTION
100Hz
1
KHz
RESOLUT ION
10KHz
100KHz
1 MHz
RESOLUTION
S:
D
RESOL
:
D
RESOL
D
RESOL
D
RESOL
D
RESOL
:
D
RESOL
D
CD
GJ
0
0
CD
CD
CD
RESOLUTION
RESOLUT
RESOLUTION
ION
ION
f
ollowing
resolutions.
PRESS
PRESS:
PRESS:
As
the reso
:
lut
RESOL
D 0
RESOL
D
RESOL
D
ion
0
[!]
is
decreased from 1 Hz
10 MHz RESOLUTION
100 MHz
1 GHz RESOLUTION
• 1 Hz resolution equals a gate
• 10 Hz = 100 msec Gate time
• 1
00
• 1
to
Hz = 10
KHz
to 1 GHz = 1
RESOLUTION
1 kHz, the gate time LED should cyc le faster:
msec
Gate time
msec
Gate ti
time of 1 sec
me
.
3·7
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5580033
DISPLAY
The keyboard display
operations must be started
DATA
Sequence :
Examples:
DISPLAY
Sequence :
Example :
AND
ENTRY
DATA
DATA ENTRY
and
· enter offsets or l
1.
FUNCT I
(decimal
FUNCTION , NUMBER
2.
FREO
1.
D
OFFSET
BA
2.
ND
00
· display previously entered data
FUNCTION,
FREO
D
OFFSET DISPLAY
SEQUENCE
data e
ntry
seque
nces
by
choosing the function first.
imit
s
ON,
SIGN (plus
and
second number
sign
not
is
ITJGJ80
CLEAR DISPLAY
CLEAR
D
are
segmented
required) , NUMBER .
optional )
D
GHz
into
four
main groups.
DECIMAL
All
keyboard
. NUMBER . UNITS
CLEAR
Sequence : 1.
DATA
2. FUNCTION • 0 . UNITS
3.
Examples:
CLEAR
Sequence:
Example :
1.
2.
3.
ENTRY
· clear entered data
FUNCTION,
FUNCTION.
FREO
D D
OFFSET
FREO
D
OFFSET
FREO
D
OFFSET
- clear display before completing data entry
FUNCTI
FREO
D
OFFSET
ON,
CLEAR
DATA
CLEAR
0
D
GHz
STR I
UNITS
D
GHz
NG,
DATA
CLEAR DISPLAY
GJDCD
CL
D
DI
SPLAY
EAR
3-8
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5580033
MULTIPLY
In the
played
t
he front panel w
FUNCTION:
multip
ly function the m
to
1 KHz r
EXAMPLES:
NOTE:
Whe
n "
The tw
To
clear t
he
mul
This sequence clea
esolution.
ill show
MUL
o dig
it
tip
lier function th e follo
rs th e
If the results of the mul
F's.
PRESS D
EXA
T" key
is presse
mult
iplier (m) will
PRESS D
multiplier function and
easured frequency
MULT
AND
MULT
MPL
E D 0 0
d the annunciator "
be displayed
win
g operation
MULT
KEY
CLEAR
D
DATA
multipl
is mul
tiplied
by an
int
eger
BER
ER . 2
h u
ntil the
up
tip
lications are too big for the front pan
IN
TWO DIG
as the
is perf
or
IT
NUM
FOR MULTIPLI
ML
T" w
ill flas
numb
ers
ormed. 1
PRESS
are entered.
MULT
DGC2J
ier (m).
to
99. The result
seq
uen
ce
is
el
to display,
is
completed.
dis-
mX
± b
By using the frequency offsets
and
multiply
calculations.
T
he equation f
or
the function performed is:
Displayed Reading = mX ± b where m =
X =
± b =
TO
DO m X ± b CAL
CULAT
ION
FOR
m • 2, b • -70 MHz
MULT
PRESS D
functions the co
Multipli
Inp
Fr
er
(up
ut frequency.
equency
G0
to
99) entered
offset ent
ANDDCD00
OFFSET
unt
er can a
uto
matica
fro
m keyboard.
ered from the keyboard.
FREQ
lly perf
MHZ
0
orm
mX
± b
3-9
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558003~
FREQUENCY
Frequency ltm1ts can
FREO LIMIT
PRESS: 0 Notice flashing annunciator.
PRESS: Number keys corresponding to desired frequency
PRESS:
PRESS
PRESS.
PRESS: D
To recall stored
PRESS:
low
MH
D
FR
EO LIMIT
D
hi
MHz
limits
FR
EO LIMIT
D
low
LIMITS
be
entered
l
gh
.
to
10
MHz
resolut
or
D
GHz
Notice
Key numbers corresponding
or
and
To termina te
so
lidly
lit.
flashing annunciator
D
GHl
CLE
DISPLA
To termi nate input sequence. Notice FRO
solid ly l
AR
D
Y
ion.
it.
then
input
sequence. Notice FRO LMT L
to
desired freq. Hi li
FREQ
LIMIT
D
hi
gh
low
and
limi
t to 10 M
mit
.
LMT
CLE
AR
0
DISPLAY
Hz resolution.
OW
annunciators
Hi
annunciator
To
clear data memory and remove frequency
FREO LIMIT DATA
PRESS: g and
selected limit(s)
NOTE: H
igh
are er
and
ase
d. Al
low limits
so
notice
should
be
limits
.
FREO
LIMIT DA
gR
"F
sepa
then g and gR
RQ LMT LOW HI" annunciators are o
rat
ed
by
at
least 100 MH
z.
TA
ut.
Vary
Source.
Notice
3·10
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5580033
TEST SELECTION
The following tes
on the
counter
has
been
comp
RAM
and PROM
The processor writes a
pattern. Thus each
"E's".
This indicates
PROM check verifies the PROM
The
played.
If
turn
Thi
both
RAM
on. The
200
MHz
PRESS:
Notice
display
the signal selection, the
ts
will
verify
performs a
leted.
seq
bit
in
that
the
s indicates
and PROM check are good the
counter
SELF
that
will
TEST
TEST
D
~CiJ
is
200 MHz. This
count
the PROM's
now
proper operation
RAM
and PROM check.
uential
each
bit
pattern
location is checked.
RAM
or
the
bit
or the PROM decoding
display all
verifies
chain, and th e local oscillator.
RAM
decoding
pattern.
counter
O's
.
operation
of
to
most
During
each
If
func
tio
nal
areas
this check
RAM
If
the
RAM
is
faulty
the PROM check fails
is
will
begin normal operation
of
the
time base
dashes
location, then independently
check fails the display
.
faulty.
See
reference and
of
the counter.
are
an
error
Sec
tion 6.
At
displayed
about
until
message
one second after
it's
associated circuits,
the
initial turn
the check
reads
will
will
that
show all
be dis·
LED
TEST
TEST
PRESS:
No tice all
LED
SEGME
PRESS:
Notice
be adjusted. This checks the segment
DISPL
PRESS:
Notice
The sample rate
D
LED
NT TEST
TEST
0
each
segment
AY
DIGIT
TEST
0
all segments
segments and
of
each
TEST
00
of
each
digit
pot
will
change the rate, and
yellow
display
are
annunciators
digit
is
lit
drivers
.
lit
in
turn
may
are
lit.
This verifies operation
in turn. The sample rate
to
verify
that
each
digit
be
adjusted.
pot will change t
operat
es
independentl
of
all visual indicators
he
rate, and may
y.
11
3-
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5580033
KEYBOARD TEST
TEST
PRESS :
D
CD
CD
Notice display
th
at
key
within
TO EXIT TESTS
CLEAR
PRESS :
To exit
function
Tests 6 through
D
DISPLAY
tests 1 through 4, 6
selected.
is
05. Press
the
matrix
10
are used
any
thus
to
exit a test
and 7 you
for
key and display will
check ing
calibration
keyboard
and
return
to
can press
and
troub
indicate a
operations. See Figure 6-5 for
n
orma
any
function key. This will exit
leshooting. See Pages 6-6
two
l operation.
digit
number
and
showing the
coordinates
the
test
6-7 .
position
.
and
enter
of
the
3-12
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5580033
SET-UP FOR BASIC FREQUENCY MEASUREMENT
BAND
Choose th e
by pressing 0 and a number key corresponding to requir
selec
ted
mput ban
RESOL
input
Band Connector will
d by pressing 0 and a number key corresponding
be
automatically display
ed
to the
to
the band. Choose resolution
ed
resolution. The
resolution chosen.
s1g
nal coupled
to
the
NOTE: When pre
ssi
ng
th e RESOL key the disp lay
FREQUENCY OFFSETS
Frequency OFFSETS can be added
front
via the
PRESS:
PRESS:
PRESS:
PRESS.
panel keyboard
FREO
0
OFFSET
Number
press
QJ and not1ce polar1ty sign
MHz
D
ment.
FREO
0
OFFSET
to
1
Notic
e the flashing annunciator.
keys corresponding to desired frequency OFFSETS. If OFFSET is
D
or
GHz
Notice solid
Recalls OFFSET
will
go blank
or
subtracted
Hz
resolut ion.
ly
lit annunciator indicating ins
from
the measured value. These OFFSETS can
indicator
to integrate programmed OFFSET
to
display,
FRO
for
approximately 1/4 second.
at
far
left
of display .
into
actual freq
trument
and OFFSET annunciators
memory
is
load
be
to
be
subtracted
uency measure,
ed.
flash1ng.
entered
PRESS:
PR
ESS:
PRESS:
CLEAR
c
DISPL
AY
FREO
D
OFFSET
CLEAR
D
OA
T ~
Notice frequency displayed includes OFFSET; annunciators are lit continuously.
Recalls
Clears
OFFSET
data memory and clears offset.
FRO
and
Display
is
to display; FRO and OFFSET annunciators flashing.
OFFSET
actual frequency
annunciators are out.
3-13
wit
hou t offset.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
55800
33
DISPLAY ERROR
When
an error occurs the error number
OPERATOR ERRORS
The following e
01
Illegal Key
02 A resolution number
03 A band number
04
No
power reading in current band.
05
Frequency
06 (Freq Limit
07 Frequency
08
Il
legal
09
10 Illegal
test mode key
DAC key
MESSAGES
rror mess
Sequence.
was
limit
high > 18.5
HI)-
(Freq Limit La) <
Limit
Low
seq
uenc
will
be
displayed. The probable cau
ages
indicate
was
not
not
entered;
< .95 GHz (545A/548A).
sequence
e.
an
operator error.
entered.
or the number enter
GH
z,
27
GHz (548A).
Min
.
ed was
too large.
. (100 MHz) differen
ce.
se
of
each
error
is
listed below.
11
Illegal
Multipli
12
13
Opt
ion
COUNTER ERRORS
The following error
31
Check
sum
32
Check sum error
33 Check
sum
not
installed.
err
erro r
er key sequenc
or
messages
Section 1 PR
Section 2
Sec
e.
indicate a malfunction
OM
PR
OM
tion 3 PR
OM
within
the counter.
00000-DFF
EOOO- EFFF
EOOO-
FFFF
F
A105, U13
A105, U17
A105, U15
3-14
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5580033
GENERAL
The
545A
the
range
of
fr
equency
BAND
ohm, shunted
M
BAND
signal i
BAND
conve
is
1 operat
2 operates from
nto
an
3 operates In
rter
to
and 548A count
10 Hz to 18 GHz
divided
into
es
from
by
20 pF.
output
signal
th
e microwave ran
translate the
three bands.
10 Hz to
10
Theory
ers
automatically
for
the 545A,
100
MHz
to
1 GHz, using aheterodynedown converter which conver
wit
h a
range
input
frequency downward to an intermediate frequency ( I F)
mea
sure
and
display the frequency
and
10Hz
to
26.5 GHz f
MHz. An impedance converter provides
of
10
MHz
to
190
MHz
.
ge
of 1
to
18 GHz (
or
26.5 GHz) and
of
or
the 548A. In
Section
Operation
of
an
inp
ut
signal
within
both
models the·
an
input
impedance
ts
the
uses
a YIG tuned heterodyne
of
125
4
of
input
MHz.
1
A I
MICROPAOClSSOA
I
TI~E
0$C
I C
GEN
OS
FA
ONl ,
c::J
E::J
GATE Ct'-tRATOII
BAS( I
I LL A1 0 U
10
MU1
AH
I
EH
ATOR I
ANEl A 110
A l 07
AMP LITUDE ·l
Ml ASVAE
ME""
tEM
DA
TA BUS
ADOA E
CON
TAOL
f
SS BUS
BUS
SYS
CATE
DETECTOR
COU
I
CHAIN
I
(I
(N(A
PUAPOS(
IN
TEftFAC
I
OUTPUT/
I•
PROGRA
OUT
N~
O, T IO
OR
B
CD
A.EMOTE
MMI
AL
f:
1061
0
&US
0
NG
~
NS
:
I
:1
~H~HI
-
ll~MH1tF
1 BAND J
A109
BAND . r
I
MP(O,t,
NC E
CONVEA
Tf A
1
J
8A
~D
2
l CO
NV
ERT
""~· ·
J
l
A20J}
CO
NVEATE
...
~
.4
I A
CONV
ERTER
co~tRO
L
t1
J
ER
t1
l
A
2
~
1081
8AND1
INPUT
BAND
I
NPUT
BAND
IIJPUT
2
J
Figure 4·1. Counter Block Diagram. Simplified
4·1
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5580033
BASIC COUNTER
Overall
mi
t
is a Peripheral
me
Frequency measurements
the
a
user
A fre
of
ed
l
appropriate
t
ated. During
t
any req
fr
it
operatton
croprocesso
he
instrument
nt
hardware
time
bas
tor Assemb
may
select an
quency
cyc
les of the
by the
Count
nittally,
hen
he
equency. The
simplified
the m
initiates the
end
of the gate ttme, the
uir
ed
is
controlled
r,
its
con
trol logtc,
by
means of a triple bus syste
Interface Adaptor
.
e. A 10
ly A
Gate Time
block
MHz
107. For incr
externa
measurement
referen
ce.
Chain Assem
icroprocessor selects
based
measurement
the gate int
calculations n
front panel display
erva
diagram
BAND 2 CONVERTER
by the
and
(PIA)
are performed
crys
tal
oscillator
eased
accuracy and
l10 MHz
This Gate
of the counter.
reference
is
made by
Tim
bly A 10
on user inp
l, the
microprocessor
ecessa
cyc
one
le by
Co u
ry
is
6.
to
Microproces
the system memory. It
which
by compar
gen
e is then used
of
ut
information
resetting
nt
Chain
con
then
sor Assem
m : the
data,
address,
provides
is used
.
erating a time interval
seve r
reads the
vert the
updated with th
the interfa
ing an
unkn
as
the
internal
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4-1
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pass
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and
4·2
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