BNC 645 - Manual (Page 178)

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edge
time is then incremented.
//A Pulse Waveform
#include <visa.h>
#include <stdio.h>
#include <windows.h>
void main (int argc,char *argv[])
{
ViSession defaultRM,vi=0;
ViStatus status;
char instrDesc[]="USB0::5710::4002::TW00009009::0::INSTR";
int i;
viOpenDefaultRM (&defaultRM);
status = viOpen(defaultRM,instrDesc, VI_NULL,VI_NULL, &vi);
if (status != VI_SUCCESS){
printf("Can not Open device:\"%s\"\n",instrDesc);
return;
}
//This program sets up a pulse waveshape and adjusts the edge
//time. It also shows the use of high and low voltage levels
//and period. The edge time is adjusted by 5 nsec increments.
viPrintf(vi,"*RST\n");
viPrintf(vi,"FUNCtion PULSe\n"); //Select pulse waveshape
viPrintf(vi,"OUTPut:LOAD 50\n"); //Set the load impedance to
// 50 Ohms (default)
viPrintf(vi,"VOLTage:LOW 0\n"); //Low level = 0 V
viPrintf(vi,"VOLTage:HIGH 0.75\n"); //High level = .75 V
viPrintf(vi,"PULSe:PERiod 1e-3\n"); //1 ms intervals
viPrintf(vi,"PULSe:WIDTh 100e-6\n"); //Pulse width is 100 us
viPrintf(vi,"PULSe:TRANsition 10e-9\n");//Edge time is 10 ns
//(rise time = fall time)
viPrintf(vi,"OUTPut ON\n"); //Turn on the instrument output