HP 8920A Programmer's Manual page 560
Rf communications test set
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Also See for 8920A:
- User manual (659 pages) ,
- Application handbook (322 pages) ,
- Application handbook (319 pages)
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Chapter 8, Programming The Call Processing Subsystem
Example Programs
10010
COM /Io_addresses/ INTEGER Inst_addr,Bus_addr
10015
ON TIMEOUT Bus_addr,5 RECOVER Timed_out
10020
OUTPUT Inst_addr;"DISP ACNT;:CALLP:MODE 'MEAS';:MEAS:RFR:POW?;FREQ:ERR?"
10030
ENTER Inst_addr;Power,Freq_error
10040
OUTPUT Inst_addr;"MEAS:AFR:FREQ?;FM?"
10050
ENTER Inst_addr;Audiofreq,Deviation
10060
PRINT USING "K,2D.3D,K";"Carrier Power = ";Power;" Watts"
10070
PRINT USING "K,2D.3D,K";"Audio Frequency = ";Audiofreq/1000;" kHz"
10080
PRINT USING "K,2D.3D,K";"FM Deviation = ";Deviation/1000;" kHz"
10090
PRINT USING "K,2D.3D,K";"Carrier Freq Error = ";Freq_error/1000;" kHz"
10100
SUBEXIT
10110 Timed_out:!
10120
ON TIMEOUT Bus_addr,5 GOTO Cannot_recover
10130
CLEAR Inst_addr
10140
OUTPUT Inst_addr;"trig:abort;mode:retr:rep"
10150
DISP "you should have the box back."
10160
ENABLE
10170 Cannot_recover:!
10180
DISP "Cannot regain control of the Test Set."
10190
STOP
10200 SUBEND
10210
!
11010 Meas_sinad: SUB Meas_sinad
11020
COM /Io_addresses/ INTEGER Inst_addr,Bus_addr
11030
INTEGER N
11035
ON TIMEOUT Bus_addr,5 RECOVER Timed_out
11040
OUTPUT Inst_addr;"DISP CME;:AFG1:DEST 'FM';FREQ 1KHZ;FM 8KHZ;FM:STAT ON"
11050
OUTPUT Inst_addr;"AFAN:INP 'AUDIO IN';DEMP 'OFF';DET 'RMS'"
11060
OUTPUT Inst_addr;"AFAN:FILT1 'C MESSAGE';FILT2 '>99KHZ LP'"
11070
OUTPUT Inst_addr;"MEAS:AFR:SEL 'SINAD';:RFG:AMPL -116DBM"
11080
OUTPUT Inst_addr;"TRIG:MODE:RETR SINGLE;SETT FULL"
11090
Avg_sinad=0
11100
FOR N=1 TO 5
11110
OUTPUT Inst_addr;"TRIG;:MEAS:AFR:SINAD?"
11120
ENTER Inst_addr;Sinad
11130
Avg_sinad=Avg_sinad+Sinad
11140
NEXT N
11150
PRINT USING "K,3D.2D,K";"SINAD = ";Avg_sinad/N;" dB at -116 dBm."
11160
OUTPUT Inst_addr;"TRIG:MODE:RETR REP;SETT FULL"
11170
OUTPUT Inst_addr;"RFG:AMPL -47DBM;:DISP ACNT"
11180
SUBEXIT
11190 Timed_out:!
11200
ON TIMEOUT Bus_addr,5 GOTO Cannot_recover
11210
CLEAR Inst_addr
11220
OUTPUT Inst_addr;"trig:abort;mode:retr:rep"
11230
DISP "you should have the box back."
11240
ENABLE
11250 Cannot_recover:!
11260
DISP "Cannot regain control of the Test Set."
11270
STOP
560
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