Creating and Downloading User-Data Files

User File Data (Bit/Binary) Downloads (E4438C and E8267D)

more 4- bit nibbles. To make the last nibble, the signal generator adds bits with a value of zero. The signal generator does not show the added bits in the bit editor and ignores the added bits when it modulates the data onto the signal, but these added bits do appear in the hex value displayed in the bit file editor. The following example, which uses the same three bytes of data, further demonstrates how the signal generator displays the data when only two bits of the last byte are part of the bits of interest.

SCPI command to download the data :MEM:DATA:BIT "3byte",18,#13Z&x

Designated 18 bits

Downloaded Data:

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

1 0 0 1

1 1 1 0 0 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MSB

 

 

 

 

 

 

 

Byte 3

 

 

Byte 1

 

Byte 2

 

 

 

Hex Value: 5A

26

 

78

 

 

As Seen in the Signal Generator’s Bit File Editor

Designated number of bits

Designated bits

Added bits as seen in the hex value

Hex value changes to 5A264

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

Byte 1

Byte 2

Nibble

5A

26

4

 

 

As Seen in a Hex Editor

 

 

 

Designated number of bits (hex value = 18 decimal)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10 byte file header

3 bytes of data

(added by signal generator)

 

Notice that the bit file editor shows only two bytes and one nibble. In addition, the signal generator shows the nibble as hex value 4 instead of 7 (78 is byte 3—ASCII character x in the SCPI command line). This is because the signal generator sees bits 17 and 18, and assumes bits 19 and 20 are 00. As viewed by the signal generator, this makes the nibble 0100. Even though the signal generator extrapolates bits 19 and 20 to complete the nibble, it ignores these bits along with bits 21 through

24.As seen with the hex editor program, the signal generator does not actually change the three bytes of data in the downloaded file.

For information on editing a file after downloading, see “Modifying User File Data” on page 302.

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

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Agilent Technologies N5181A/82A, N5183A MXG, E8663B manual Lsb
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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.
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