180
//units (pulse width and deviation) rather than duty cycle
//if
preferred.
viPrintf(vi,"*RST\n");
viPrintf(vi,"OUTPut:LOAD 50\n");
//Set the load impedance to
// 50 Ohms (default)
viPrintf(vi,"FUNCtion:SHAPe
PULSe\n"); //Carrier waveshape is pulse
viPrintf(vi,"FREQuency
5000\n");
//Carrier frequency is 5 kHz
viPrintf(vi,"VOLTage:LOW
0\n");
//Set parameters to 5 V TTL
viPrintf(vi,"VOLTage:HIGH
5\n");
viPrintf(vi,"FUNCtion:PULSe:DCYCle
35\n");//Begin with 35% duty cycle
viPrintf(vi,"PWM:INTernal:FUNCtion TRIangle\n");//Modulating waveshape
//is
triangle
viPrintf(vi,"PWM:INTernal:FREQuency
2\n");//Modulation frequency is 2 Hz
viPrintf(vi,"PWM:DEViation:DCYCle 15\n"); //Modulation depth is 15%
viPrintf(vi,"PWM:SOURce
INTernal\n");
//Use internal signal for
//modulation
//If using an external signal for PWM, connect the signal to the
//rear-panel BNC and use the command PWM:SOURce EXTernal
viPrintf(vi,"PWM:STATe
ON\n");
//Turn PWM modulation on
viPrintf(vi,"OUTPut
ON\n");
//Turn on the instrument output
viClose
(vi);
viClose
(defaultRM);
}
Summary of Contents for G5100A
Page 5: ...5 D APPLICATION PROGRAMS 173 ...
Page 71: ...71 Schematic of Receiver ...
