Front and Rear Panel Features

Rear-Panel Features

 

Item

Description

 

 

 

#

Name

 

 

 

 

11

KYBD

Enables connection of an external PS-2 keyboard using a 6-pin mini-DIN connector.

 

 

Always turn off power before plugging in keyboard.

 

 

This feature not fully implemented. Currently used only for firmware upgrades.

 

 

 

12

Line power

The AC power connection. Also see “Power Requirements” on page 5.

 

input

 

 

 

 

13

GPIB

Allows the connection of a General Purpose Interface Bus (GPIB, IEEE 488.1) cable,

 

 

which enables remote analyzer operation.

 

 

 

14

LAN

A TCP/IP Interface.

 

 

Also see “Turning on the Analyzer for the First Time” on page 11 for information on

 

 

setting the IP address.

 

 

For information on using the analyzer remotely, refer to the User’s and

 

 

Programmer’s Reference.

 

 

 

15

TRIGGER 2 OUT

A trigger output used to synchronize other test equipment with the analyzer.

 

 

Reserved for future applications.

 

 

 

16

PARALLEL

Supports remote printing (Printing is supported only from the parallel port).

 

 

 

17

70 MHZ IF OUT

Provides 70 MHz IF output.

 

 

 

18

MONITOR

Allows connection of an external VGA monitor.

 

 

 

19

RS-232

Allows connection of a PC, printer, or modem.

 

 

This feature not fully implemented; to be implemented in a future release.

 

 

 

20

HNQ IN

These features are only available when special options are installed.

 

H7L IN

 

 

H70 IN

 

 

 

 

28

Chapter 2

Page 28
Image 28
HP E4445A, E4448A, E4446A, E4440A, E4443A manual Always turn off power before plugging in keyboard

E4443A, E4448A, E4445A, E4446A, E4440A specifications

The HP E4440A, E4446A, E4445A, E4448A, and E4443A are high-performance spectrum analyzers designed to meet the testing and measurement needs of engineers and technicians in various industries. These models offer a combination of advanced technologies and features that enhance their functionality and usability.

Starting with the HP E4440A, this spectrum analyzer is well-known for its wide frequency range and excellent resolution bandwidth, making it ideal for characterizing RF signals. It is capable of analyzing signals from 9 kHz up to 1.5 GHz, providing a comprehensive tool for capturing a wide spectrum of frequencies. The E4440A features a sophisticated built-in signal analysis capability, including demodulation and specialized measurement functions that assist in the evaluation of complex signals.

The E4446A elevates performance further with a frequency range extending up to 6 GHz. This model includes advanced phase noise measurement capabilities, which are crucial for testing communication systems and ensuring signal integrity. Its large color display coupled with a user-friendly interface allows for easy navigation through various measurement settings.

For deeper insights into signal behavior, the HP E4445A stands out with its ability to perform real-time spectrum analysis. This feature allows engineers to capture transient signals and analyze them effectively, which is essential in modern RF design and troubleshooting. The E4445A also supports a range of modulation analysis tools enabling comprehensive testing of communication systems.

Meanwhile, the E4448A is recognized for its high dynamic range and low noise floor. These characteristics are essential for analyzing weak signals in the presence of stronger ones. Its enhanced sensitivity allows engineers to detect signals buried in noise, which is vital for applications such as spectrum monitoring and interference analysis.

Finally, the HP E4443A is tailored for more specialized applications, featuring a frequency range up to 3 GHz. It incorporates advanced digital signal processing techniques that facilitate accurate measurements even in challenging environments. Its portability and robust design make it a preferred choice for field applications, allowing users to perform spectrum analysis where needed.

In summary, the HP E4440A, E4446A, E4445A, E4448A, and E4443A spectrum analyzers offer a rich set of features and technologies that cater to the evolving demands of RF engineers. With their superior performance characteristics, they serve as invaluable tools across a variety of testing and measurement applications in the telecommunications and electronics sectors.