Creating and Downloading Waveform Files

Creating Waveform Data

Line

Code Description—Interleaving and Byte Swapping for Little Endian Order

 

 

21–29

the I and Q data), and interleave the I and Q data.

shift the data pointer right 8 bits to the beginning of the high byte (ivalue >> 8)

Little Endian Order

7

6

5

4

3

2

1

0

15

14

13 12

11 10

9

8

Bit Position

1

1

1

0

1

0

0

1

1

0

1

1

0

1

1

1

Data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hex values = E9 B7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data pointer

 

 

 

 

 

 

Data pointer shifted 8 bits

 

 

 

 

 

AND (boolean) the high I byte with 0xFF to make the high I byte the value to store in the IQ array—(ivalue >> 8) & 0xFF

15

14

13 12

11

10

9

8

 

1

0

1

1

0

1

1

1

Hex value =B7

1

1

1

1

1

1

1

1

Hex value =FF

1

0

1

1

0

1

1

1

Hex value =B7

AND (boolean) the low I byte with 0xFF (ivalue & 0xFF) to make the low I byte the value to store in the I/Q array location just after the high byte [index * 4 + 1]

I Data in I/Q Array after Byte Swap (Big Endian Order)

15

14

13 12

11 10

9

8

7

6

5

4

3

2

1

0

Bit Position

1

0

1

1

0

1

1

1

1

1

1

0

1

0

0

1

Data

Hex value = B7 E9

Swap the Q byte order within the same loop. Notice that the I and Q data interleave with each loop cycle. This is due to the I/Q array shifting by one location for each I and Q operation [index * 4 + n].

 

Interleaved I/Q Array in Big Endian Order

 

 

15

8 7

0

15

8 7

0

Bit Position

1 0 1 1 0 1 1 1 1 1 1 0 1 0 0 1

1 1 1 0 0 1 0 1 0 1 1 0 1 0 1 1

Data

 

 

 

 

 

 

 

 

 

 

 

 

 

I Data

 

 

Q Data

 

 

Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide

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Agilent Technologies E8663B, N5181A/82A, N5183A MXG manual 1 1 0 1 1 1 1 1 1 0 1 0 0 1 0 0 1 0 1 0 1 1 0 1 0 1

N5183A, N5183A MXG, E8663B, N5181A/82A specifications

Agilent Technologies is renowned for its innovative solutions in electronic test and measurement equipment. Among its offerings are several signal generators including the N5181A, N5182A, E8663B, and N5183A MXG. These models are distinguished not only by their performance but also by their versatility across various applications in communications, aerospace, and electronics.

The Agilent N5181A and N5182A, part of the MXG family, are highly versatile signal generators known for their exceptional frequency performance and flexibility. The N5181A operates from 100 kHz to 6 GHz, while the N5182A extends that range up to 12 GHz. They provide high fidelity signals with low phase noise, making them ideal for the development and testing of RF components and systems. These generators support a wide variety of modulation formats, including AM, FM, PM, and pulse modulation, catering to diverse application needs.

The E8663B, meanwhile, is designed for the range of 250 kHz to 3 GHz and is also recognized for its high-performance features. Its built-in capabilities for modulation make it effective for testing wireless devices, ensuring that signals can be simulated accurately in both laboratory and field environments. It is especially beneficial for users requiring a straightforward and efficient solution with high reliability.

The N5183A MXG signal generator enhances the lineup with frequency coverage up to 6 GHz and advanced capabilities. It integrates various modulation capabilities while ensuring high signal integrity. Its architecture is tailored for both production test environments and research applications, providing users with the flexibility to adapt to changing testing requirements.

Common characteristics across these models include a user-friendly interface that simplifies configuration and operation. They are often equipped with LAN and USB interfaces for easy remote control and integration into automated test systems. The robustness of these generators allows them to perform reliably in challenging environments, making them essential tools in laboratories, manufacturing floors, and field testing scenarios.

In summary, Agilent's signal generators, including the N5181A, N5182A, E8663B, and N5183A MXG, represent a blend of advanced technology, flexibility, and precision. These instruments are vital in facilitating the evolution of cutting-edge communication technologies, ensuring that designers and engineers can confidently meet the demands of modern electronics.