Register Descriptions

Agilent Technologies E1446A user manual Register Descriptions, Register-Based Programming

C-6 Register-Based Programming

E1446A specifications

Models: E1446A

IBASIC programming using absolute addressing or select code 8 is faster than either DIAG:PEEK? and DIAG:POKE or VXI:READ? and VXI:WRITE because the registers are accessed from the VXIbus backplane rather than from the GPIB. Also, READIO and WRITEIO do not need to be repetitively parsed at runtime.

There are two READ and four READ/WRITE registers on the amplifier. This section contains a description and a bit map of each register.

The READ Registers The following READ registers are located on the amplifier.

•ID Register (base + 0016)

•Device Type Register (base + 0216)

Examples and program statements in this appendix use 16-bit reads. In most cases, however, only the lower eight bits are used.

The ID Register The amplifier’s ID register indicates the classification, addressing mode, and the manufacturer of the device.

Address

base + 0016

Device Classification. Bits 15 and 14 classify a device as one of the following:

0	0	memory device
0	1	extended device
1	0	message-based device
1	1	register-based device

The Agilent E1446 Summing Amplifier/DAC is a register-based device.

Agilent Technologies E1446A is a high-performance modular instrument designed for a wide range of applications in the fields of test and measurement. As part of the Agilent family of products, this device exemplifies advanced engineering and innovative technology, catering to the needs of engineers and researchers in various industries.

One of the main features of the E1446A is its dual-channel capability, allowing users to conduct simultaneous measurements, increasing efficiency and reducing test times. The instrument supports a variety of functions, including waveform generation, signal analysis, and frequency measurements. This multifunctionality makes the E1446A a versatile tool for tasks such as automatic test equipment (ATE), signal integrity analysis, and RF testing.

Equipped with state-of-the-art ADCs (Analog-to-Digital Converters) and DACs (Digital-to-Analog Converters), the E1446A ensures high precision and accuracy in measurements. With a bandwidth of up to 500 MHz, it can handle a wide range of signals, making it suitable for both low-frequency and high-frequency applications. The instrument supports various input signal types, including sine, square, and custom waveforms, expanding its applicability across diverse testing scenarios.

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User-friendliness is another hallmark of the E1446A. It features a straightforward interface, designed for intuitive operation, which reduces the learning curve for new users. Additionally, the instrument is compatible with various programming languages, including SCPI, making it easy to integrate into existing test systems and automate testing processes.

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