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8
Fr
equency Generator Multiplication/Division Ratios:
Frequency Range
Divide Ratio, n
<10 MHz (Option 22) modulation not available
≥10 to ≤15.625 MHz (Option 4) 256
>15.625 to
≤31.25 MHz (Option 4) 128
>31.25 to
≤62.5 MHz (Option 4) 64
>62.5 to
≤125 MHz (Option 4) 32
>125 to
≤250 MHz (Option 4) 16
>250 to
≤500 MHz (Option 4) 8
>500 to
≤1050 MHz (Option 4) 4
>1050 to
≤2200 MHz (Option 4)
2
>10 to
≤2000 MHz (Option 5)
1
>2 to
≤20 GHz
1
>20 to
≤40 GHz
1/2
>40 to
≤65 GHz
1/4
Frequency/Phase Modulation (Option 12)
Option 12 adds frequency and phase modulation, driven externally
via a rear panel BNC connector, 50
Ω. For internal modulation, add
LF Generator Option 23. Frequency/Phase Modulation is not
available <10 MHz with Option 22.
For most accurate FM,
ΦM measurements, Bessel Null methods are
used.
Maximum Input: ±1V
Phase Modulation:
Parameter
Modes
Conditions
Specifications
for all Frequencies other than <2.2 GHz with option 4
Deviation
Bandwidth (3 dB)
Flatness
Accuracy
External
Sensitivity
±
[Lesser of 3 rad or
(5 MHz)/(mod rate)]/n
±
[Lesser of 400 rad or
(10 MHz)/(mod rate)]/n
DC to (Lesser of 10 MHz or
0.03 * Fcarrier)
DC to (Lesser of 1 MHz or
0.03 * Fcar
rier)
±1 dB relative to 100 kHz rate
±1 dB relative to 100 kHz rate
10%
±
(0.0025 rad/V to 5 rad/V)/n
±(0.25 rad/V to 500 rad/V)/n
Narrow
Wide
Narrow
Wide
Narrow
Wide
Narrow & Wide
Nar
r
ow
Wide
Rate= DC to
(Lesser of 8 MHz or 0.03 * Fcar
rier)
Rate= DC to
(Lesser of 1 MHz or 0.03 * Fcarrier)
100 kHz rate
100 kHz rate
Rate= DC to
(Lesser of 1 MHz or 0.01 * Fcar
rier)
Rate= DC to
(Lesser of 500 kHz or 0.01 * Fcar
rier)
100 kHz, Int. or 1Vpk Ext., sine
Rate= DC to 8 MHz
Rate= DC to 1 MHz
100 kHz rate
100 kHz rate
Rate= DC to 1 MHz
Rate= DC to 500 kHz
100 kHz, Int. or 1Vpk Ext., sine
±[Lesser of 3 rad or
(5 MHz)/(mod rate)]/n
±[Lesser of 400 rad or
(10 MHz)/(mod rate)]/n
DC to 10 MHz
DC to 1 MHz
±1 dB relative to 100 kHz rate
±1 dB relative to 100 kHz rate
10%
±
(0.0025 rad/V to 5 rad/V)/n
±(0.25 rad/V to 500 rad/V)/n
Conditions Specifications
for Frequencies <2.2 GHz with option 4
Harmonic Distortion Locked 10 MHz Rate, ±1 MHz Dev. <1% Rate= 10 kHz, Dev.= ±(1 MHz)/n <1%
Deviation
Locked
Locked Low-noise
Unlocked Narrow
Unlocked Wide
Rate= 1 kHz to
(Lesser of 8 MHz or 0.03 * Fcarrier)
Rate= 50 kHz to
(Lesser of 8 MHz or 0.03 * Fcarrier)
Rate= DC to
(Lesser of 8 MHz or 0.03 * Fcarrier)
Rate= DC to 100 Hz
±[Lesser of 10 MHz or
300 * (mod rate)]/n
±[Lesser of 10 MHz or
3 * (mod rate)]/n
±(10 MHz)/n
±(100 MHz)/n
Rate= 1 kHz to 8 MHz
Rate= 50 kHz to 8 MHz
Rate= DC to 8 MHz
Rate= DC to 100 Hz
±[Lesser of 10 MHz or
300 * (mod rate)]/n
±[Lesser of 10 MHz or
3 * (mod rate)]/n
±10 MHz/n
±100 MHz/n
Bandwidth (3 dB)
Locked
Locked Low-noise
Unlocked Narrow
Unlocked Wide
100 kHz rate
100 kHz rate
100 kHz rate
DC rate
100 kHz rate
100 kHz rate
100 kHz rate
DC rate
1 kHz to
(Lesser of 10 MHz or 0.03 * Fcarrier)
30 kHz to
(Lesser of 8 MHz or 0.03 * Fcarrier)
DC to
(Lesser of 10 MHz or 0.03 * Fcarrier)
DC to 100 Hz
1 kHz to 10 MHz
30 kHz to 10 MHz
DC to 10 MHz
DC to 100 Hz
Flatness Locked Rate= 10 kHz to 1 MHz
Rate= 10 kHz to
(Lesser of 1 MHz or 0.01 * Fcarrier)
±1 dB relative to 100 kHz
Accuracy
Locked and Low-noise
Unlocked Narrow
Rate= 100 kHz, Sinewave
Int. or 1Vpk Ext.
10% (5% typical)
Rate= 100 kHz, Sinewave
Int. or 1Vpk Ext.
10% (5% typical)
Incidental AM
Locked and Low-noise
Unlocked Narrow
1 MHz Rate, ±1 MHz Dev.
±1 dB relative to 100 kHz
<2% typical
Rate and Dev.= Lesser of 1 MHz
or 0.01 * Fcarrier
<2% typical
External Sensitivity
Locked
Locked Low-noise
Unlocked Narrow
Unlocked W
ide
±(10 kHz/V to 20 MHz/V)/n
±
(100 kHz/V to 100 MHz/V)/n
±(10 kHz/V to 20 MHz/V)/n
±(100 kHz/V to 100 MHz/V)/n
Frequency Modulation:
Parameter Modes Conditions Specifications
for all Frequencies other than <2.2 GHz with option 4
Conditions
Specifications
for Frequencies <2.2 GHz with option 4
Modulation