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Model 5344S
Operation and Programming
CENTER FREQUENCY
CF
Sets the 5344S to CF/DF mode. The 5344A enters and displays the CF frequency.
DELTA FREQUENCY
DF
Sets the 5344S to CF/AF mode. The 5344A enters and displays the AF frequency.
VALUE:
The value for CF and DF may be a simple number such as 10, 25.98,1010.25, etc. The value may
also be a simple number plus an exponent, such as 10.79 E + 9,10 E-1,26.5 E-2, etc. The exponent
plus the multiplier must fall within the 5344S range, such as 75.92 E-1 GZ = 7.592 GHz.
The CF frequency range is 500 MHz to 18 GHz for the 5342A and 500 MHz to 26.5 GHz for the
5343A. If the 5344S is placed in Subharmonic Locking mode, the limit extends from 10 MHz to
99.999999999 GHz for both counters.
The DF frequency range is 0 MHz to 40 MHz. If the 5344S is placed in Subharmonic Locking
mode, the limits remain 0 MHz to 40 MHz for both counters.
Only the first 11 digits are significant. All others are ignored. Only the first decimal point is
accepted as valid.
The CF and DF commands may be used together in one single command string or placed on
separate lines. The 5344S will enter the CF/DF mode upon receipt of either CF or DF. Either
command may be changed without affecting the unspecified commands. Sending any one of
the commands without numerical values causes the 5344A to display that parameter. The
parameter remains unchanged.
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