Signal Generator Specifications
288
FM FM Deviation:
Rates >25 Hz
100 kHz: for fc from 0.25 to < 249 MHz
50 kHz: for fc from 249 to < 501 MHz
100 kHz: for fc from 501 to 1000 MHz
FM not specified for (fc minus FM dev.) <250 kH z
FM Rate:
1 kHz reference:
Internal: DC to 25 kHz (1 dB BW)
External, AC Coupled: 20 Hz to 75 kHz (typical 3 dB BW)
External, DC Coup l ed : dc to 75 kHz (typical 3 dB BW)
FM Accuracy:
≤10 kHz dev, 1 kHz rate:
±3.5% of setting ±50 Hz
>10 kHz dev, 1 kHz ra te :
±3.5% of setting ±500 Hz
FM Distortion:
THD + Noise, 0.3 to 3 kHz BW:
<0.5% at >4 kHz deviation and 1 kHz rate
Center Frequency Accuracy in DC FM Mode:
External source impedance <1 kΩ
±500 Hz (after DCFM zero) (typical ±50 Hz)
Ext. Mod. Input Impedance: 600 Ω nominal
Resolution:
50 Hz for <10 kHz deviation
500 Hz for ≥10 kHz deviation