MODULATION SOURCE
Internal:
400Hz and 1kHz sine derived from reference frequency.
External:
Calibrated for 1Vrms sine into 600
Ω
Connector:
Front Panel BNC provides modulation input when external
modulation is selected and outputs internal modulation when
internal is selected.
Modulation I/O Impedance:
600
Ω
Output Level:
1Vrms EMF from 600
Ω
source impedance.
Maximum Input:
20V rms
FREQUENCY MODULATION
Max Peak Deviation:
800kHz, 1000MHz – 2000MHz
400kHz, 500MHz – 999.99999MHz
200kHz, 250MHz – 499.99999MHz
100kHz, 125MHz – 249.99999MHz
50kHz, 62.5MHz – 124.99999MHz
100kHz, 150kHz – 62.49999MHz
Setting Resolution:
0.5kHz
Deviation Accuracy:
<
±
10%
±
0.5kHz for 1kHz Internal or 1kHz, 1Vrms External
Modulation.
Modulation Signal:
Internal or External 100Hz – 300kHz (
±
2dB relative to 1kHz)
Distortion:
<2% @1kHz modulation, max. deviation (300-3.4kHz bandwidth)
PHASE MODULATION
Max Peak Deviation:
80.0rads 1000MHz – 2000MHz
40.0rads 500MHz – 999.99999MHz,
20.0rads 250MHz – 499.99999MHz,
10.0rads 125MHz – 249.99999MHz,
5.0rads 62.5MHz – 124.99999MHz,
10.0rads 150kHz – 62.49999MHz
Setting Resolution:
0.05rads <10.0rads deviation, 0.1rad >=10.0rads deviation
Deviation Accuracy:
<
±
10%
±
0.05rads for 1kHz Internal or 1kHz, 1Vrms External
Modulation.
Modulation Signal:
Internal or External 100Hz – 10kHz (
±
2dB relative to 1kHz)
Distortion:
<2% @ 1kHz modulation, max. deviation (300-3.4kHz bandwidth)
AMPLITUDE MODULATION
Max Modulation Depth:
100%, usability decreasing to 90% at 2GHz
Setting Resolution:
0.5%
Accuracy:
<
±
(5% s1%) for 1kHz Internal or 1kHz, 1Vrms External
Modulation, <70% depth.
Modulation Signal:
Internal or External 50Hz – 200kHz (
±
1dB relative to 1kHz)
Distortion - 150kHz – 1GHz:
≤
3% @ 30% depth,
≤
5% @ 70% depth
1GHz – 2GHz:
≤
5% @ 30% depth,
≤
10% @ 70% depth
@ 1kHz modulation, 300-3.4kHz measurement bandwidth.
4
