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N:\mkt\MANUALS\HP8924C\APPMOD\BOOK\chapters\amtxtst.fb
Chapter 4, CDMA Transmitter Tests
Measuring Waveform Quality
HPBASIC Program Example
The following programming example was developed using HPBASIC for
Windows. It was tested on an HP 8924C with firmware rev A.02.26.
10 ! re-save "c:\hpbasic\TX_QUAL"
20 ! This program implements CDMA TX quality measurement.
30 ! This closely follows T33 from the 83217A Software.
40 CLEAR 714 !Clear interface
50 CLEAR SCREEN
60 OUTPUT 714;"CDMA:CALL:END" !End any previous call
70 WAIT .1
80 OUTPUT 714;"*RST"
90 WAIT 2
100 Page_phone
110 CLEAR SCREEN
120 Meas_tx_quality
130 DISP "PROGRAM DONE"
140 END
150 Meas_tx_quality: SUB Meas_tx_quality
160 DISP "Measuring Rho (Transmitted waveform quality)"
170 OUTPUT 714;"CDMA:CELL:ASEC -75"
180 OUTPUT 714;"CDMA:CELL:ASEC:PIL -7;TRAF -7.4"
190 OUTPUT 714;"TRIG:MODE:RETR SINGLE"
200 OUTPUT 714;"DISP CTXT"
210 OUTPUT 714;"TRIG:AST ’ARM’"
220 OUTPUT 714;"MEAS:CDM:RHO?"
230 ENTER 714;Rho
240 OUTPUT 714;"MEAS:CDM:FREQ:ERR?;ERR:UNIT?"
250 ENTER 714;Freq_err,Freq_unit$
260 PRINT Freq_err,Freq_unit$
270 OUTPUT 714;"MEAS:CDM:AMPL:ERR?"
280 ENTER 714;Ampl
290 OUTPUT 714;"MEAS:CDM:TIME:OFFS?"
300 ENTER 714;Time_off
310 OUTPUT 714;"MEAS:CDM:PHAS:ERR?"
320 ENTER 714;Phase_err
330 OUTPUT 714;"MEAS:CDM:CAR:FEED?"