Atec R-S-CMU200 - Manual (Page 40)

40 R&S ® CMU200 Universal Radio Communication Tester Version 09.00, October 2008
Power meter (frequency-selective) and power versus time
filter definition: passband
Filter Bandwidth → wide 2.0 MHz
Measurement bandwidth
Filter Bandwidth → narrow 1.3 MHz
Reference level for full dynamic range GFSK signal
RF 1 0 dBm to +41 dBm
RF 2 –14 dBm to +33 dBm
RF 4 IN –32 dBm to 0 dBm
Dynamic range Filter Bandwidth → wide >55 dB, rms
Level uncertainty in temperature range +20 °C to +35 °C
RF 1, RF 2 from full scale setting down to –25 dB <0.7 dB
RF 4 IN from full scale setting down to –25 dB <0.9 dB
Level uncertainty in temperature range +5 °C to +45 °C
RF1, RF2 from full scale setting down to –25 dB <1.0 dB
RF4IN from full scale setting down to –25 dB <1.1 dB
in manual mode 0.1 dB Level resolution
in remote control mode 0.01 dB
Modulation analyzer
filter definition: passband
Filter Bandwidth → wide 2.0 MHz
Measurement bandwidth
Filter Bandwidth → narrow 1.3 MHz
Level range GFSK signal
RF 1, RF 2, RF 4 IN from full scale setting down to –25 dB
Total measurement range for frequency
offset and frequency deviation –250 kHz to +250 kHz
Frequency offset uncertainty in
preamble for deviation ≤ 160 kHz ≤2 kHz
for 100 kHz < deviation ≤ 200 kHz
11110000 pattern ≤2 %
Frequency deviation uncertainty in
payload
10101010 pattern ≤4 %
measured in burst related to frequency
offset value in preamble
10101010 pattern
max. ≤2 kHz
Frequency drift uncertainty
typ. ≤1 kHz
in manual mode 1 kHz Frequency resolution
in remote control mode 1 Hz
Timing measurement
Range ±20 μs
Resolution ≤0.25 μs
Uncertainty ≤0.25 μs + resolution