Technical Datasheet
MG3690B
RF/Microwave Signal Generators
0.1 Hz to 67 GHz/325 GHz
MG3690B the ideal signal generator
Specifications
Frequency Coverage
Model/Option No. Frequency Coverage Output Type
G3691B
M
G3692B
M
MG3693B 2 to 30 GHz K(f)
MG3694B 2 to 40 GHz K(f)
MG3695B 2 to 50 GHz V(f)
G3696B
M
ption 4
O
ption 5
O
ption 22
O
Operational to 67 GHz
*
to 10 GHz
2
to 20 GHz
2
to 65 GHz*
2
0 MHz to 2.2 GHz
1
0 MHz to 2 GHz
1
.1 Hz to 10 MHz
0
(f)
K
(f)
K
(f)
V
odel No. Dependent
M
odel No. Dependent
M
odel No. Dependent
M
Options 4 and 5: Frequency extension down to 10 MHz
Two options are available to extend the 2 GHz low end frequency limit of the base models
down to 10 MHz. Option 4 uses a digital down-converter (DDC) with successive divideby-two circuitry. It offers the best phase noise performance of the two choices, at the
expense of some analog performance <500 MHz. In that range, analog sweep mode is
not available, and pulse modulation performance is specified as typical. In addition,
frequency and phase modulation mod index is scaled by the division ratio of each band
of the DDC. Option 5 maintains all analog performance by using a heterodyne mixing
down-converter.
Option 22: Frequency extension down to DC
If frequency coverage down to 0.1 Hz is desired, Option 22 can be added with either
Option 4 or 5. Option 22 uses Direct Digital Synthesis (DDS) for CW and Step Sweep
modes of operation. Modulation and analog sweep are not available in the DDS band.
Frequency resolution <10 MHz is 0.02 Hz. Output power across the complete instrument
frequency range is degraded by 2 dB.
CW Mode
Output: Twenty independent, presettable CW frequencies
(F0 – F9 and M0 –M9).
Accuracy: Same as internal or external 10 MHz time base.
Internal Time Base Stability:
With Aging: <2 x 10–9/day (<5 x 10
With Temperature: <2 x 10
–10
/deg C with Option 16)
(<2 x 10
–10
/day with Option 16)
–8
/deg C over 0˚C to 55˚C
Resolution: 0.01 Hz
External 10 MHz Reference Input: Accepts external 10 MHz ±50 Hz (typical),
0 to +20 dBm time base signal. Automatically disconnects the internal high-stability
time-base option, if installed. BNC, rear panel, 50Ω impedance. Selectable Bandwidth for
best phase noise immunity or best phase tracking performance.
10 MHz Reference Output: 1 Vp-p into 50Ω, AC
Rear panel BNC; 50
Ω impedance.
coupled.
Phase Offset: Adjustable in 0.1 degree steps.
Electronic Frequency Control (EFC) Input: –5V to +5V input range;
–7
5 x 10
.Fout Hz/V sensitivity (typical); ≤250 Hz Modulation BW; Rear panel BNC;
High Impedance
Phase-Locked Step Sweep Mode
Sweep Width: Independently selected, 0.01 Hz to full range. Ever
sweep range is phase-locked.
Accuracy: Same as internal or external 10 MHz time base.
Resolution (Minimum Step Size): 0.01 Hz
Linear/Log Sweep: User-selectable linear or log sweep.
In log sweep, step size logarithmically increases with frequency.
y frequency step in
Steps: User-selectable number of steps or the step size.
Number of Steps: Variable from 1 to 10,000
Step Size: 0.01 Hz to the full frequency range of the instrument.
(If the step size does not divide into the selected frequency range,
the last step is truncated.)
Dwell Time Per Step: Variable from 1 ms to 99 seconds
F
ixed Rate Sweep:Allows the user to set the total time of the sweep,
including lock time. Variable from 20 ms to 99 seconds.
Analog Sweep Mode (Option 6)
Sweep Width: Independently selected from 1 MHz to full frequency range. With Option
4
, Digital Down Converter, Analog sweep is only available ≥500 MHz. Analog sweep is
not available <10 MHz with Option 22.
Accuracy: The lesser of ±30 MHz or (±2 MHz + 0.25% of sweep width)
for Sweep Speeds of
≤50 MHz/ms (typical)
Sweep Time Range: 30 ms to 99 seconds
Alternate Sweep Mode
Sweeps alternately in step sweep between any two sweep ranges. Each sweep range may
be associated with a power
level.
Manual Sweep Mode
Provides stepped, phase-locked adjustment of frequency between sweep limits. User
selectable number of steps or step size.
-
List Sweep Mode
Under GPIB control or via the front panel, up to 4 tables with 2000 non-sequential
frequency/power sets can be stored and then addressed as a phase-locked step sweep.
One table of 2000 points is stored in non-volatile memory, all other tables are stored in
volatile memory.
Programmable Frequency Agility
Under GPIB control, up to 3202 non-sequential frequency/power sets can be stored and
then addressed as a phase-locked step sweep. Data stored in volatile memory.
Markers
Up to 20 independent, settable markers (F0 – F9 and M0 – M9).
Video Markers: +5V or –5V marker output, selectable from system menus. AUX I/O
, rear panel.
connector
Intensity Markers: Produces an intensity dot on analog display traces, obtained by a
momentary dwell in RF sweep, in analog sweeps of <1s.
Marker Accuracy: Same as sweep frequency accuracy
.
Marker Resolution:
Analog Sweep:
1MHz or Sweep Width/4096 which ever is greater.
Step Sweep: 0.01 Hz.
Sweep Triggering
Sweep triggering is provided for Analog Frequency Sweep, Step Frequency Sweep,
List Frequency Sweep, and CW Power Sweep.
Auto: Triggers sweep automatically.
External: Triggers a sweep on the low to high transition of an external TTL signal. AUX
I/O connector, rear panel.
riggers, aborts, and resets a single sweep. Reset sweep may be selected to be
Single: T
at the top or bottom of the sweep.
2
General
Stored Setups: Stores front panel settings and nine additional front-panel setups in a
n
on-volatile RAM. A system menu allows saving and recalling of instrument setups.
Whenever the instrument is turned on, control settings come on at the same functions
and values existing when the instrument was turned off.
Memory Sequencing Input: Accepts a TTL low-level signal to sequence through ten
stored setups. AUX I/O connector, rear panel.
Self-Test: Instrument self-test is performed when Self-Test soft-key is selected. If an
error is detected, an error message is displayed in a window on the LCD identifying the
p
robable cause and remedy.
Secure Mode: Disables all frequency and power level state displays. Stored setups
saved in secure mode remain secured when recalled. Mode selectable from a system
menu and via GPIB.
Parameter Entry: Instrument-controlled parameters can be entered in three ways:
keypad, rotary data knob, or the
keypad is used to enter new parameter values; the rotary data knob and the cursor-control
key are used to edit existing parameter values. The
c
ontrol key move the cursor left and right one digit under the open parameter. The rotary
data knob or the
the cursor. Controlled parameters are frequency, power level, sweep time, dwell time, and
number of steps. Keypad entries are terminated by pressing the appropriate soft key. Edits
are terminated by exiting the edit menu.
Reset: Returns all instrument parameters to predefined default states or values.
Any pending GPIB I/O is aborted. Selectable from the system menu.
Master/Slave Operation: Allows two output signals to be swept with a user-selected
frequency offset. One instrument controls the other via AUX I/O and SERIAL I/O
connections. Requires a Master/Slave Interface Cable Set (Part No. ND36329).
User Level Flatness Correction: Allows user to calibrate out path loss due to
external switching and cables via entered power table from a GPIB power meter or
calculated data. When user level correction is activated, entered power levels are
delivered at the point where calibration was performed. Supported power meters are
Anritsu ML2437A, ML2438A, and ML4803A and HP 437B, 438A, and 70100A. Five user
tables are available with up to 801 points/table.
Warm Up Time:
From Standby: 30 minutes.
From Cold Start (0 deg C): 120 hours to achieve specified frequency stability with aging.
∧ and ∨ touch pads will increment or decrement the digit position over
Instruments disconnected from AC line power for more than 72 hours require
30 days to return to specified frequency stability with aging.
Power: 85-264 V
Standby: With ac line power connected, unit is placed in standby when front panel
power switch is released from the OPERATE position.
Weight: 18 kg maximum
Dimensions: 133 H x 429 W x 450 D mm
Warranty: 3 years from ship date
ac, 48-440 Hz, 250 V
∧ and ∨ touch pads of the cursor-control key. The
∧ and ∨ touch pads of the cursor-
A maximum
Remote Operation
All instrument functions, settings, and operating modes (except for power on/standby)
a
re controllable using commands sent from an external computer via the GPIB
(IEEE-488 interface bus).
GPIB Address: Selectable from a system menu
IEEE-488 Interface Function Subset:
Source Handshake:
Acceptor Handshake: AH1
Talker: T6
L
istener:L4
Service Request: SR1
Remote/Local: RL1
Parallel Poll: PP1
Device Clear: DC1
D
evice Trigger:DT1
Controller Capability: C0, C1, C2, C3, C28
Tri-State Driver: E2
GPIB Status Annunciators: When the instrument is operating in Remote, the GPIB
s
tatus annunciators (listed below) will appear in a window on the front panel LCD.
Remote: Operating on the GPIB (all instrument front panel keys except for the SYSTEM
key and the RETURN TO LOCAL soft-key will be ignored).
LLO (Local Lockout): Disables the RETURN TO LOCAL soft-key. Instrument can
be placed in local mode only via GPIB or by cycling line power.
Emulations: The instrument responds to the published GPIB commands and responses
of the Anritsu Models 6600, 6700,and 6XX00-series signal sources. When emulating
another signal source, the instrument will be limited to the capabilities, mnemonics, and
parameter resolutions of the emulated instrument.
SH1
Environmental (MIL-PRF-28800F, class 3)
Storage Temperature Range: –40 to +75°C
Operating Temperature Range: 0 to +50°C
Relative Humidity: 5% to 95% at 40
Altitude: 4,600 meters, 43.9 cm Hg
EMI: Meets the emission and immunity requirements of
EN61326: 1998
EN55011: 1991/CISPR-11:1990 Group 1 Class A
EN61000-4-2: 1995 – 4 kV CD, 8 kV AD
EN61000-4-3: 1997 – 3 V/m
EN61000-4-4: 1995 – 0.5 kV SL, 1 kV PL
EN61000-4-5: 1995 – 1 kV – 2 kV L-E
EN61000-4-6: 1996
EN61000-4-11: 1994
Vibration: Random, 5-500 Hz, 0.015-0.0039g2/Hz PSD
Sinusoidal, 5-55 Hz, 0.33 mm displacement
Safety Directive: EN 61010-1: 1993 + A1: 92 + A2: 95
°C
3
Frequency Switching Time
Spectral Purity
Definitions
Free Running Mode:
(Step or List Sweep)
tsw= Switching Time, Unlocked
tlk= Locked Time = 1ms + t
tdw= Dwell Time, after locking. Selectable, 1 ms minimum
tlk(
min) = 2 ms
Single Frequency Trigger Mode:
(List, non-sequential, and CFx modes)
dw
A
ll specifications apply at the lesser of +10 dBm output or maximum specified leveled
output power, unless otherwise noted.
Spurious Signals
Harmonic and Harmonically-related:
Frequency Range Standard
0.1 Hz to 10 MHz (Option 22) <–30 dBc
0 MHz to ≤100 MHz (Option 4)
1
100 MHz to ≤2.2 GHz (Option 4)
>
0 MHz to ≤50 MHz (Option 5)
1
>50 MHz to ≤2 GHz (Option 5)
>2 GHz (2.2 GHz w/Option 4) to ≤20 GHz
>20 GHz to ≤40 GHz
>40 GHz to ≤50 GHz (MG3695B)
40 GHz to ≤65 GHz (MG3696B)
>
–30 dBc typical with high power Option 15
*
Non-harmonics:
requency Range
F
0.1 Hz to 10 MHz (Option 22) <–30 dBc
0 MHz to ≤2.2 GHz (Option 4)
1
0 MHz to ≤2 GHz (Option 5)
1
>2 GHz (2.2 GHz w/Option 4) to ≤65 GHz
<–40 dBc
<–50 dBc
–30 dBc
<
–40 dBc
<
–60 dBc*
<
–40 dBc*
<
<–40 dBc*
<–25 dBc
tandard
S
<–60 dBc
–40 dBc
<
–60 dBc
<
Switching Time (tsw)
t
(ms)
*
sw
5 ms + 1 ms/GHz step not starting at, or crossing dwell frequencies
7 ms + 1 ms/GHz step not starting at, or crossing band switching frequencies
8 ms + 1 ms/GHz step starting at, or crossing band switching frequencies
Band Switching Dwell Frequencies: 2 (2.2 w/Opt. 4), 10, 20, 40 GHz
Filter Switching Dwell Frequencies: 3.3, 5.5, 8.4, 13.25, 25, 32 GHz
<2.2 GHz w/Opt. 4: 12.5, 15.625, 22.5, 31.25, 43.75,
*Not applicable with FM mode active
Condition
62.5, 87.5, 125, 175, 250, 350, 500,
1500 MHz
1050,
700,
Power Line and Fan Rotation Spurious Emissions (dBc):
Offset from Carrier
Frequency <300 Hz 300 Hz to 1 kHz >1 kHz
10 to ≤500 MHz (Option 4)
>500 to ≤1050 MHz (Option 4)
>1050 to ≤2200 MHz (Option 4)
0.01 to ≤8.4 GHz
>8.4 to ≤20 GHz
>20 to ≤40 GHz
>40 to ≤65 GHz
<–68 <–72 <–72
<–62 <–72 <–72
<–56 <–66 <–66
<–50 <–60 <–60
<–46 <–56 <–60
<–40 <–50 <–54
<–34 <–44 <–48
Residual FM (CW and Step Sweep modes, 50 Hz - 15 kHz BW):
ual FM (Hz RMS)
Resid
Frequency Range Option 3 Standard
≤8.4 GHz
>8.4 to 20 GHz <40 <220
>20 to ≤40 GHz
>40 to ≤65 GHz
<40 <120
<80 <440
<160 <880
Residual FM (Analog Sweep and Unlocked FM modes, 50 Hz - 15 kHz BW):
Resid ual FM (kHz RMS)
Frequency Range
0.01 to ≤20 GHz
>20 GHz to ≤40 GHz
>40 GHz to ≤65 GHz
Unlocked Narrow
FM mode
<5 <25
<10 <50
<20 <100
Unlocked Wide
FM mode or
Analog Sweep (typ.)
AM Noise Floor:
Typically <–145 dBm/Hz at 0 dBm output and offsets >5 MHz from carrier.
4
MG3690B
SSB Phase Noise
L(f ) dBc/Hz
10 GHz
100 Hz 1 kHz 10 kHz 100 kHz 1 MHz
10 MHz
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
–150
Standard
Performance
Ultra-Low
Performance
(with Option 3)
Single-Sideband Phase Noise*
Single-Sideband Phase Noise (dBc/Hz):
Offset from Carrier
Frequency Range 100 Hz 1 kHz 10 kHz 100 kHz
.1 Hz to <10 MHz (Option 22)
≥0
0 MHz to <500 MHz (Option 4)
≥1
00 MHz to <2.2 GHz (Option 4)
≥5
0 MHz to <2 GHz (Option 5)
≥1
GHz to ≤6 GHz
≥2
>6 GHz to ≤10 GHz
>10 GHz to ≤20 GHz
>20 GHz to ≤40 GHz
40 GHz to ≤65 GHz
>
Single-Sideband Phase Noise (dBc/Hz) – Option 3:
requency Range
F
.1 Hz to <10 MHz (Option 22)
≥0
0 MHz to ≤15.625 MHz (Option 4)
≥1
15.625 MHz to ≤31.25 MHz (Option 4)
>
31.25 MHz to ≤62.5 MHz (Option 4)
>
>62.5 MHz to ≤125 MHz (Option 4)
>125 MHz to ≤250 MHz (Option 4)
>250 MHz to ≤500 MHz (Option 4)
>500 MHz to ≤1050 MHz (Option 4)
>1050 MHz to ≤2200 MHz (Option 4)
≥10 MHz to <2 GHz (Option 5)
≥2 GHz to ≤6 GHz
>6 GHz to ≤10 GHz
>10 GHz to ≤20 GHz
>20 GHz to ≤40 GHz
>40 GHz to ≤65 GHz
*Phase noise is specified and guaranteed only with internal reference. In External Reference mode, the phase noise of the external supplied reference, and the selected external
reference bandwidth, will dictate the instrument phase noise performance. Phase noise is not degraded when adding high power Option 15.
–90 –120 –130 –130
–94 –106 –104 –120
–82 –94 –92 –108
77
–
77
–
73
–
66
–
88
–
88
–
86
–
78
–
85
–
86
–
83
–
77
–
100
–
102
–
102
–
100
–
–60 –75 –72 –94
–54 –69 –64 –88
Offset from Carrier
1
0 Hz
00 Hz
1
1
kHz
0 kHz
1
00 kHz
1
–60 –90 –120 –130 –130 –130
–105 –126 –139 –142 –141 –145
–99 –120 –134 –137 –137 –145
–90 –114 –129 –136 –136 –144
–84 –108 –127 –135 –133 –144
–88 –102 –125 –132 –130 –143
–77 –99 –123 –125 –124 –142
–71 –93 –118 –121 –119 –138
–66 –86 –112 –115 –113 –135
–64 –83 –100 –102 –102 –111
–54 –77 –104 –108 –107 –130
–52 –73 –100 –107 –107 –128
–45 –68 –94 –102 –102 –125
–45 –63 –92 –98 –98 –119
–37 –57 –86 –92 –90 –113
1
MHz
ypical MG3690B single sideband phase
T
Standard and Ultra-Low per
formance with Option 3.
noise
10 GHz carrier.
at
5
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