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85330A Multiple Channel Controller 6-21
Programming
Programming Examples
Programming Examples
Example 1 Example 1 is applicable to CW measurements.
1001 !
1002 ! RE-SAVE “EX1”
1003 !
1004 Example_1:!
1005 !
1006 ! This example shows how to make single-frequency, multi-channel
1007 ! measurements using the HP 85330A and the FAST DATA modes of the HP 8530A
1008 ! Microwave Receiver.
1009 !
1010 ! It uses the HP BASIC/WS TRANSFER command to read data from the receiver
1011 ! The HP BASIC command ENTER may also be used.
1012 !
1013 INTEGER Data_f1(1:32000,0:2) BUFFER ! DATA FROM RECEIVER IN FORMAT FORM1.
1014 DIM Err_str$[128]
1015 !
1016 Build_table:!
1017 !
1018 ALLOCATE REAL Exp_tbl(0:255)
1019 !
1020 ! Build the FORM1 to FORM3 coversion table. During the FAST DATA
1021 ! aquisition from the HP 8530A data translation is need to conver the
1022 ! 6 bytes read from the receiver to a data point consiting of a
1023 ! real and imaginary pair.
1024 !
1025 Exp_tbl(0)=2^(-15)
1026 FOR N=0 TO 126
1027 Exp_tbl(N+1)=Exp_tbl(N)+Exp_tbl(N)
1028 NEXT N
1029 Exp_tbl(128)=2^(-143)
1030 FOR N=128 TO 254
1031 Exp_tbl(N+1)=Exp_tbl(N)+Exp_tbl(N)
1032 NEXT N
1033 !
1034 Set_vars:!
1035 !
1036 ! Set variables
1037 !
1038 Scu_addr=0 ! SCU address