4
Spectral Purity
All specifications apply at the lesser of +10 dBm output or maximum specified leveled
output power, unless otherwise noted.
Spurious Signals
Frequency Switching Time
Definitions
Free Running Mode:
(Step or List Sweep)
t
sw
= Switching Time, Unlocked
t
lk
= Locked Time = 1ms + t
dw
t
dw
= Dwell Time, after locking. Selectable, 1 ms minimum
t
lk
(min) = 2 ms
Single Frequency Trigger Mode:
(List, non-sequential, and CFx modes)
Switching Time (t
sw
)
Power Line and Fan Rotation Spurious Emissions (dBc):
Residual FM* (CW and Step Sweep modes, 50 Hz - 15 kHz BW) (typical):
Non-harmonics:
AM Noise Floor:
Typically <–145 dBm/Hz at 0 dBm output and offsets >5 MHz from carrier.
Residual FM* (Analog Sweep and Unlocked FM modes, 50 Hz - 15 kHz BW) (typical):
* –30 dBc typical with high power Option 15
=
20 GHz to 21 GHz and 39 - 40 GHz – 20 dBc typical (Option 15 only)
Harmonic and Harmonically-related:
t
sw
* (ms)
Condition
5 ms + 1 ms/GHz
step not starting at, or crossing dwell frequencies
7 ms + 1 ms/GHz (typical)
step not starting at, or crossing band switching frequencies
8 ms + 1 ms/GHz (typical)
step starting at, or crossing band switching frequencies
Frequency Range
Standard
0.1 Hz to 10 MHz (Option 22)
<–30 dBc
10 MHz to
≤
100 MHz (Option 4)
<–40 dBc
>100 MHz to
≤
2.2 GHz (Option 4)
<–50 dBc
10 MHz to
≤
50 MHz (Option 5)
<–30 dBc
>50 MHz to
<
2 GHz (Option 5)
<–40 dBc
2 GHz (>2.2 GHz w/Option 4) to
≤
20 GHz
<–60 dBc*
>20 GHz to
≤
40 GHz
<–40 dBc*
=
>40 GHz to
≤
50 GHz (MG3695B)
<–40 dBc*
>40 GHz to
≤
67 GHz (MG3696B)
<–25 dBc
Frequency Range
Standard
0.1 Hz to 10 MHz (Option 22)
<–30 dBc
10 MHz to
≤
2.2 GHz (Option 4)
<–60 dBc
10 MHz to
≤
2 GHz (Option 5)
<–40 dBc
>2 GHz (2.2 GHz w/Option 4) to
≤
67 GHz
<–60 dBc
Frequency
<300 Hz
Offset from Carrier
300 Hz to 1 kHz
>1 kHz
10 to
≤
500 MHz (Option 4)
<–68
<–72
<–72
>500 to
≤
1050 MHz (Option 4)
<–62
<–72
<–72
>1050 to
≤
2200 MHz (Option 4)
<–56
<–66
<–66
0.01 to
≤
8.4 GHz
<–50
<–60
<–60
>8.4 to
≤
20 GHz
<–46
<–56
<–60
>20 to
≤
40 GHz
<–40
<–50
<–54
>40 to
≤
67 GHz
<–34
<–44
<–48
Frequency Range
Resid ual FM (Hz RMS)
Option 3
Standard
≤
8.4 GHz
<40
<120
>8.4 to 20 GHz
<40
<220
>20 to
≤
40 GHz
<80
<440
>40 to
≤
67 GHz
<160
<880
Frequency Range
Resid ual FM (kHz RMS)
Unlocked Narrow
FM mode
Unlocked Wide
FM mode or
Analog Sweep (typ.)
0.01 to
≤
20 GHz
<10
<25
>20 GHz to
≤
40 GHz
<20
<50
>40 GHz to
≤
67 GHz
<40
<100
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, 62.5, 87.5,
125, 175, 250, 350, 500, 700, 1050, 1500
MHz
*Not applicable with FM mode active
*Residual FM is not applicable with FM locked mode
