Agilent Technologies PSG Manual de Instruções descarregar pdf (Página 64)

100

101

Programming Examples

GPIB Programming Examples

Chapter 250

printf("for an AC-coupled FM signal\n");

printf("Press any key to continue\n");

printf("\n");

getch();

printf("\n");

viPrintf(vi, "*RST\n"); // Resets the signal generator

viPrintf(vi, "FM:SOUR EXT2\n"); // Sets EXT 2 source for FM

viPrintf(vi, "FM:EXT2:COUP AC\n"); // Sets FM path 2 coupling to AC

viPrintf(vi, "FM:DEV 20 kHz\n"); // Sets FM path 2 deviation to 20 kHz

viPrintf(vi, "FREQ 700 MHz\n"); // Sets carrier frequency to 700 MHz

viPrintf(vi, "POW:AMPL -2.5 dBm\n"); // Sets the power level to -2.5 dBm

viPrintf(vi, "FM:STAT ON\n"); // Turns on frequency modulation

viPrintf(vi, "OUTP:STAT ON\n"); // Turns on RF output

// Print user information

printf("Power level : -2.5 dBm\n");

printf("FM state : on\n");

printf("RF output : on\n");

printf("Carrier Frequency : 700 MHZ\n");

printf("Deviation : 20 kHZ\n");

printf("EXT2 and AC coupling are selected\n");

printf("\n"); // Prints a carrage return

// Close the sessions

viClose(vi);

viClose(defaultRM);

}

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