Tektronix CMD 80, User Manual

Page: 343 / 672

Appendix A: Specifications
CMD 80 Digital Radiocommunication Tester User Manual
A–7
Table A–6: Analog RF analyzer characteristics (Option B82) (cont.)
Characteristic Description
FM measurements
RF bandwidth ((2 deviation) +
(4 rate))
≤
60 kHz
Deviation range 0 Hz to 30 kHz
Resolution 1 Hz
FM rate range 0 Hz to 12 kHz
Sensitivity (0.3 kHz to 3 kHz BW,
12 dB SINAD, 2.9 kHz deviation,
1 kHz FM rate)
RF IN/OUT connector
(Ref. Lev. = –28 dBm) 13
m
V (–85 dBm), typical
RF IN2 connector
(Ref. Lev. = –69 dBm) 1.3
m
V (–105 dBm), typical
Residual FM
RF IN/OUT
≤
7 Hz (0.3 kHz to 3 kHz BW, rms), typical
RF IN2
≤
9 Hz (0.3 kHz to 3 kHz BW, rms), typical
Error <4 % of r 30 Hz + residual FM
(FM rate
≤
12 kHz, deviation
≤
30 kHz)
Signaling
Analog mode AMPS, N–AMPS, TACS, J/E/N–TACS
Table A–7: Audio source characteristics
Characteristic Description
Frequency
Range 50 Hz to 4 kHz (single tone)
Resolution 1 Hz
Error Half resolution
Output Voltage
Range 0.1 mV to 5 V
RMS
Resolution 0.1 mV
Maximum output current 20 mA
peak
Output impedance <5
W
Level error <5 % (output voltage > 1 mV)
Distortion (THD + noise)
≤
0.1 % (100 kHz BW, output voltage
≥
200 mV)