LeCroy LW110 User Manual page 106

Parameter type
Numeric
Parameter range
<divider> 1 to 65535
FREQuency:RASTer:DIVider?
Response and default
The LW120 will return the present channel 2 sample clock frequency divider value. Default value is 1.
FSK:FREQuency:RASTer<FM_sclk>
Purpose
This command will set the shift sample clock frequency. When set to operate in FSK mode, the LW120 will
hop from carrier sample clock frequency to shifted sample clock frequency.
•
<FSK_sclk> will set the shifted sample clock frequency for the FSK mode
Parameter type
Numeric
Parameter range
<FSK_sclk> 100e-3 to 100e6 in units of samples per second
FSK:FREQuency:RASTer?
Response and default
The LW120 will return the present shifted sample clock frequency value. The returned value will be in
standard scientific format (for example: 1KHz would be returned as 1E3 – positive numbers are unsigned).
Default value is 80e3.
FSK:MODE(HOP|RAMPed}
Purpose
This command will select one of the FSK modes.
•
HOP will select non-delayed hops from carrier sclk to shifted sclk
•
RAMPed will select ramped shifts from carrier sclk to shifted sclk
Parameter type
Discrete
FSK:MODE?
Response and default
The LW120 will return HOP, or RAMP depending on its present setting. Default is HOP.
FSK:RAMP:TIME<time>
Purpose
This command will set the time it takes for the sample clock frequency to ramp up and down from carrier to
shifted frequencies and back. This parameter will effect the LW120 only when the instrument is set to
operate in ramped FSK mode.
Remote Programming Reference 4-24
User Manual LW120