177
{
ViSession
defaultRM,vi=0;
ViStatus
status;
char
instrDesc[]="USB0::5710::5100::TW00009009::0::INSTR";
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 linear sweep using a sinusoid
//waveform. It sets the start and stop frequency and sweep
//time.
viPrintf(vi,"*RST\n");
viPrintf(vi,"FUNCtion
SINusoid\n");
//Select
waveshape
viPrintf(vi,"OUTPut:LOAD 50\n");
//Set the load impedance to
// 50 Ohms (default)
viPrintf(vi,"VOLTage
1\n");
//Set
the
amplitude
to
1
Vpp.
viPrintf(vi,"SWEep:SPACing
LINear\n"); //Set Linear or LOG spacing
viPrintf(vi,"SWEep:TIME
1\n");
//Sweep time is 1 second
viPrintf(vi,"FREQuency:STARt
100\n"); //Start frequency is 100 Hz
viPrintf(vi,"FREQuency:STOP
20e3\n"); //Stop frequency is 20 kHz
//Frequency sweep limits may also be set as FREQuency:CENTer and
viPrintf(vi,"OUTPut
ON\n");
//Turn on the instrument output
viPrintf(vi,"SWEep:STATe
ON\n");
//Turn sweep on
viClose
(vi);
viClose
(defaultRM);
}
Example: A Pulse Waveform
This program (found in the “Examples\Pulse” subdirectory on the CD-ROM)
configures a pulse waveform, setting pulse width, period, and high/low levels. The
edge
Summary of Contents for G5100A
Page 5: ...5 D APPLICATION PROGRAMS 173 ...
Page 71: ...71 Schematic of Receiver ...
