Agilent Technologies E8257C Programming Guide

70 Chapter 2
Programming Examples
LAN Programming Examples
itimeout(id, 1000);// Set 1 second timeout for operations
printf("Setting frequency to 1 Ghz...\n");
iprintf(id, "freq 1 GHz\n");// Set frequency to 1 GHz
printf("Waiting for source to settle...\n");
iprintf(id, "*opc?\n");// Query for operation complete
iscanf(id, "%d", &opcResponse); // Operation complete flag
if (opcResponse != 1)// If operation fails, prompt user
{
printf("Bad response to 'OPC?'\n");
iclose(id);
exit(1);
}
iprintf(id, "FREQ?\n");// Query the frequency
iscanf(id, "%t", &buf);// Read the signal generator frequency
printf("\n");// Print the frequency to the display
printf("Frequency of signal generator is %s\n", buf);
ipromptf(id, "*IDN?\n", "%t", buf);// Query for id string
printf("Instrument ID: %s\n", buf);// Print id string to display
iclose(id);// Close the session
return 0;
}

Agilent Technologies E8257C Specifications

General

Modulation Types	AM, FM, PM, Pulse
Output Impedance	50 Ohms
Frequency Resolution	0.001 Hz
Amplitude Accuracy	±0.5 dB
Harmonics	-30 dBc
Power Requirements	100-240 VAC, 50/60 Hz
Subharmonics	-60 dBc