Atec Agilent-N5181B-N5182B - Manual (Page 14)

14
Analog Modulation Specifications
Frequency bands
Band # Frequency range N
1 9 kHz to < 5 MHz 1 (digital synthesis)
1 5 to < 250 MHz 1
2 250 to < 375 MHz 0 .25
3 375 to < 750 MHz 0 .5
4 750 to < 1500 MHz 1
5 1500 to < 3000 .001 MHz 2
6 3000 .001 to 6000 MHz 4
Frequency modulation (Option UNT) (See N value above)
Max deviation N × 4 MHz, nominal
Resolution 0 .1% of deviation or 1 Hz, whichever is greater, nominal
Deviation accuracy < ± 2% + 20 Hz (1 kHz rate, deviation is N x 50 kHz)
Modulation frequency response
@ 100 KHz rate
1 dB bandwidth
3 dB bandwidth
DC/5 Hz to 3 MHz, nominal
DC/1 Hz to 7 MHz, nominal
Carrier frequency accuracy < ± 0 .2% of set deviation + (N × 1 Hz) 1
Relative to CW in DCFM < ± 0 .06% of set deviation + (N × 1 Hz), typical 2
Distortion < 0 .4% [1 kHz rate, deviation is N x 50 kHz]
FM using external inputs 1 or 2 Sensitivity +1 V peak for indicated deviation, nominal
Input impedance 50 Ω/600 Ω/1 M Ω, nominal
Paths FM path 1 and FM path 2 are summed
internally for composite modulation
Phase modulation (Option UNT) (See N value above)
Maximum deviation Normal bandwidth N × 2 radians, nominal
High-bandwidth mode N × 0 .2 radians, nominal
Frequency response Normal bandwidth (3 dB) DC to 1 MHz, nominal
High-bandwidth mode (3 dB) DC to 4 MHz, nominal
Resolution 0 .1% of deviation
Deviation accuracy < + 0 .5% + 0 .01 rad, typical [1 kHz rate, normal bandwidth mode]
Distortion < 0 .2%, typical [1 kHz rate, deviation normal bandwidth mode]
ΦM using external inputs 1 or 2 Sensitivity +1 V peak for indicated deviation, nominal
Input impedance 50 Ω or 600 Ω or 1 M Ω, nominal
Paths ΦM path 1 and ΦM path 2 are summed
internally for composite modulation
1. Specification valid for temperature changes of less than ± 5 °C since last DCFM calibration.
2. Typical performance immediately after a DCFM calibration.