Giga-tronics 2500B Series Microwave Signal Generators
Performance Verification
Operation Manual, Part Number 34737, Rev C, June 30, 2011
Page 95
Table 51: Amplitude Modulation
Amplitude Modulation
1
(Specifications apply to frequencies above 10 MHz)
Parameter
Specification
Depth
0 to 90 % (Level = 0 dBm)
Rate (3 dB Bandwidth at carrier level of 0 dBm)
DC to 100 kHz (Depth = 50 %)
Sensitivity
0 to 95 % per Volt, selectable
Accuracy
± 10 % of setting at 1 kHz rate
Input
Range
± 1 V
Impedance
600 Ω
1
Modulation peaks must be less than maximum available power.
Table 52: Frequency Modulation
Frequency Modulation
1
(Specifications apply to frequencies above 10 MHz)
Low Rate
Modulation Index
Deviation Limited
Rate (3 dB bandwidth)
DC to 750 kHz
Peak Deviation
1.5 MHz/N
Accuracy
± 5 % at 5 kHz rate with 1 V peak input, 12.024 kHz/V
sensitivity
Input Range
± 1 V
Input Impedance
50 Ω
High Rate
Modulation Index
< 25/N
Rate (3 dB bandwidth)
750 kHz to 5 MHz
Peak Deviation
15 MHz/N
Accuracy
± 5 % at 1 MHz rate with 1 V peak input, 2.4048 MHz/V
sensitivity
Input Range
± 1 V
Input Impedance
50 Ω
1
Settling time not specified with FM turned on.
