BNC 645 - Manual (Page 180)

180
//modulation. The pulse may also be configured in time
//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);
}
Visual Basic
Learn how to create and use BERKELEY NUCLEONICS CORPORATION
IOUtils components, controls, data access, and more with the Visual
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Visual C++
In an MFC application, you can override BERKELEY NUCLEONICS
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