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Keysight E4428C ESG RF User Manual

Keysight E4428C ESG RF
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Keysight Signal Generators Programming Guide 267
Creating and Downloading Waveform Files
Programming Examples
Creating and Storing I/Q Data—Little Endian Order
On the documentation CD, this programming example’s name is “CreateStore_Data_c++.txt.”
This C++ programming example (compiled using Metrowerks CodeWarrior 3.0) performs the following
functions:
error checking
data creation
byte swapping and interleaving for little endian order data
binary data file storing to a PC or workstation
After creating the binary file, you can use FTP, one of the download utilities, or one of the C++
download programming examples to download the file to the signal generator.
#include <iostream>
#include <fstream>
#include <math.h>
#include <stdlib.h>
using namespace std;
int main ( void )
{
ofstream out_stream; // write the I/Q data to a file
const unsigned int SAMPLES =200; // number of sample pairs in the waveform
const short AMPLITUDE = 32000; // amplitude between 0 and full scale dac value
const double two_pi = 6.2831853;
//allocate buffer for waveform
short* iqData = new short[2*SAMPLES];// need two bytes for each integer
if (!iqData)
{
cout << "Could not allocate data buffer." << endl;
return 1;
}
out_stream.open("IQ_data");// create a data file
if (out_stream.fail())
{
cout << "Input file opening failed" << endl;
exit(1);
}
//generate the sample data for I and Q. The I channel will have a sine
//wave and the Q channel will a cosine wave.

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Keysight E4428C ESG RF Specifications

General IconGeneral
BrandKeysight
ModelE4428C ESG RF
CategoryPortable Generator
LanguageEnglish

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