Agilent Technologies 33250A User Manual

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Chapter 6 Application Programs
Example: Microsoft Visual C++ for Windows
4
6
//
// Download a 20 point Arbitrary waveform using ASCII.
//
printf ("Download a 20 point Arbitrary waveform using ASCII\n");
// Download 20 point waveform
{
double Real_array[20];
Fill_array(Real_array);
IWritePtr pWrite = IOObj->Write();
pWrite->Command ("data volatile, ", VARIANT_FALSE); // Command into buffer
for (int i = 0; i < 20; i++)
pWrite->PutArgument(i, Real_array[i]); // Comma separated list to buffer
pWrite->Send (); // Send buffer to the instrument
}
IOObj->Output("func:user volatile"); // Select downloaded waveform
IOObj->Output("apply:user 10e3,1,0"); // Output waveform: 10kHz, 1Vpp
Check_Errors(IOObj); // Routine check for errors
Pause();
//
// Download a 6 point arbitrary waveform using Binary.
//
printf ("Download a 6 point Arbitrary waveform using Binary\n");
long Len;
_variant_t DataArray = "2047,-2047,2047,2047,-2047,-2047";
SAFEARRAY *pBlock;
// Create SCPI command with Binary block appended on end
Len = IOUtils->CreateIEEEBlock(DataArray, IIOUtils_Short, IIOUtils_BigEndian,
_variant_t("data:dac volatile, "), &pBlock);
IOObj->WriteBytes(Len, &pBlock); // Send command and data
SleepEx(100, 0); // Wait 100msec for interface
// (for RS-232 only)
IOObj->Output("apply:user 5000,1,0"); // Output waveform: 5kHz, 1Vpp
Check_Errors(IOObj); // Routine check for errors
Pause();
Continued...

Agilent Technologies 33250A Specifications

General

Frequency Range	1 µHz to 80 MHz
Amplitude Range	10 mVpp to 10 Vpp into 50 Ω
Output Impedance	50 Ω
Modulation Types	AM, FM, PM, FSK, PWM
Sweep Modes	Linear, Logarithmic
Function Generator Type	Arbitrary
Waveforms	Sine, Square, Ramp, Triangle, Noise, Arbitrary
Interface	GPIB, USB

Summary

The Front Panel at a Glance

Front Panel Controls Overview

Identification and description of front panel keys and controls.

Front-Panel Number Entry

The Rear Panel at a Glance

Rear Panel Connectors and Terminals

Identification and function of rear panel connectors and terminals.

Quick Start

To Prepare the Function Generator for Use

Initial setup steps and item verification.

To Set the Output Frequency

Procedure for configuring the output frequency.

To Set the Output Amplitude

Procedure for configuring the output amplitude.

To Set a DC Offset Voltage

Procedure for setting the DC offset voltage.

Front-Panel Menu Operation

Front-Panel Menu Reference

To Select the Output Termination

To Reset the Function Generator

To Configure the Remote Interface

Steps to set up GPIB or RS-232 communication.

Features and Functions

Output Configuration

Information on configuring output parameters like function, frequency, and amplitude.

Pulse Waveforms

Amplitude Modulation (AM)

Arbitrary Waveforms

Information on creating, storing, and outputting arbitrary waveforms.

Remote Interface Configuration

Configuration of GPIB and RS-232 interfaces.

Remote Interface Reference

SCPI Command Summary

Comprehensive list and syntax of SCPI commands.

Output Configuration Commands

SCPI commands for controlling output parameters.

Modulation Commands

Frequency Sweep Commands

Arbitrary Waveform Commands

SCPI commands for downloading and managing arbitrary waveforms.

An Introduction to the SCPI Language

Error Messages

Command Errors

List and explanation of errors related to invalid commands.

Execution Errors

List and explanation of errors during command execution.

Query Errors

Instrument Errors

Self-Test Errors

Calibration Errors

Arbitrary Waveform Errors

Specifications

WAVEFORMS

FREQUENCY CHARACTERISTICS

Frequency ranges and accuracy for different waveform types.

SIGNAL CHARACTERISTICS

OUTPUT CHARACTERISTICS

Specifications for amplitude, flatness, units, and impedance.

MODULATION CHARACTERISTICS

BURST

SWEEP

TRIGGER CHARACTERISTICS