4. Programming Interfaces
Giga-tronics 2400/2500 Microwave Synthesizer Series
140
Programming Manual, Part Number 34783, Rev A, July 2009
4.7.6 GT900 Emulation Commands
Table 32 Giga-tronics GT900 Command Set
Command
Description
DISP o
Switch Display on/off
FA d
Set CW frequency or Sweep start frequency according to the operation mode (in
MHz)
FB d
Set Sweep stop frequency (in MHz)
FC d
Set Sweep step frequency (in MHz)
GEN t
Set operation mode.
GEN FIXED – CW mode
GEN LSWP – Locked Frequency sweep mode
GEN USWP – Unlocked Frequency sweep mode
LEVEL d
Set output power level in dBm
LVLCRS d
Enable Manual attention mode and set attenuation in step of 10 dB
LVLFNE d
Set ALC power and in step of 0.1 dB.
(Note: the output power is the sum of the ‘LVLCRS’ and ‘LVLFNE’ arguments.
MOD t
Set modulation mode
MOD OFF – turn all modulation off
MOD PULSE – turn internal pulse on
MOD EXT+ – turn external positive pulse on
MOD EXT- – turn external negative pulse on
MOD AM – turn external AM on
MOD SQR – turn internal square wave pulse on
MODRATE t
MODRATE FIXED – Set AM rate to 1 kHz
PWIDTH t
PWIDTH FIXED – Set PM width to 1 usec
RF o
Turn RF on/off
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