Rohde & Schwarz SMB100A - Page 55

Test Procedures R&S SMB
1407.0806.82 1.32 E-5
Measurement of accuracy
versus RF
 Settings on DUT:
RF On
Frequency recommended test frequencies
Level: 0 dBm
Amplitude Modulation On
AM Source Internal
LF Gen Frequency 1 kHz
AM Depth 80 %
 Settings on analyzer:
AMPTD  REF LEVEL 6 dBm,
FREQ  CENTER same as DUT
FM DEMOD,
FMDEMOD ON,
RESULT DISPLAY  AM
DEMOD BW 50 kHz
RANGE  DEVIATION PER DIV 20 %
MEAS TIME 100 ms
 measure the modulation depth for all recommended test
frequencies
Recommended test
frequencies
 100 kHz; 23.4375 MHz; 23.438 MHz; 374.9 MHz; 375 MHz; 529.9
MHz; 530 MHz; 1449.9 MHz; 1450 MHz; 2120.9 MHz; 2121 MHz;
2999.9 MHz; 3000 MHz; 3999.9 MHz; 4 GHz; 6 GHz