Analog modulation specifications – Atec Agilent-N5171B User Manual
Page 13
13
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 × 10 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
DC/5 Hz to 3 MHz, nominal
3 dB bandwidth
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 × 5 radians, nominal
High-bandwidth mode
N × 0.5 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% (typ) [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.