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85330A Multiple Channel Controller 6-31
Programming
Programming Examples
1094 !
1095 OUTPUT @Rf;”SYST:LANG SCPI;”
1096 OUTPUT @Lo;”SYST:LANG SCPI;”
1097 !
1098 ! Place the source in STEP mode (or LIST mode).
1099 !
1100 OUTPUT @Rf;”FREQ:MODE SWE;”
1101 OUTPUT @Rf;”SWE:GEN STEP;”
1102 OUTPUT @Lo;”FREQ:MODE SWE;”
1103 OUTPUT @Lo;”SWE:GEN STEP;”
1104 !
1105 ! Set the Start, Stop, and number of points. Ths LO source must be offset
1106 ! by 20 MHz from the RF source.
1107 !
1108 OUTPUT @Rf;”FREQ:STAR “;Freq_start;” GHZ;”
1109 OUTPUT @Rf;”FREQ:STOP “;Freq_stop;” GHZ;”
1110 OUTPUT @Rf;”SWE:POIN “;Freq_pts;”;”
1111 OUTPUT @Lo;”FREQ:STAR “;Freq_start+Freq_offset;” GHZ;” ! The LO source is
1112 OUTPUT @Lo;”FREQ:STOP “;Freq_stop+Freq_offset;” GHZ;” ! offset by 20 MHz.
1113 OUTPUT @Lo;”SWE:POIN “;Freq_pts;”;”
1114 !
1115 ! The step sweep points triggering is external so that the HP 85330A can
1116 ! trigger the sources.
1117 !
1118 OUTPUT @Rf;”SWE:TRIG:SOUR EXT;”
1119 OUTPUT @Lo;”SWE:TRIG:SOUR EXT;”
1120 !
1121 ! The start sweep trigger is AUTO.
1122 !
1123 OUTPUT @Rf;”TRIG:SOUR IMM;”
1124 OUTPUT @Lo;”TRIG:SOUR IMM;”
1125 !
1126 ! Set the power level and turn the power on.
1127 !
1128 OUTPUT @Rf;”POW:LEV -5;”
1129 OUTPUT @Lo;”POW:LEV 10;”
1130 OUTPUT @Rf;”POW:STAT ON;”
1131 OUTPUT @Lo;”POW:STAT ON;”
1132 !
1133 ! Don’t initiate the sweep yet...
1134 !
1135 !
1136 Set_85330a:!
1137 !
1138 OUTPUT @Hp85330a;”*RST;” ! SOFT RESET
1139 !
1140 OUTPUT @Hp85330a;”RUNT:EVEN:TRIG TTL;” ! Set the triggering.
1141 OUTPUT @Hp85330a;”RUNT:EVEN:COUN “;Angle_pts;”;” ! No of angle increments
1142 !