Front and Rear Panel Features

Rear-Panel Features

Rear-Panel Features

 

Item

Description

 

 

 

#

Name

 

 

 

 

1

NOISE SOURCE

Provides 28 V to drive a noise source. Used on Option 219 Noise Figure personality.

 

DRIVE OUT

 

 

+28 V (PULSED)

 

 

 

 

2

PRESEL TUNE

Outputs tuning voltage for preselected harmonic mixer.

 

OUT

 

 

 

 

3

10 MHz OUT

A switched output of the analyzer’s internal 10 MHz frequency reference signal used

 

(SWITCHED)

to lock the frequency reference of other test equipment to the analyzer.

 

 

 

4

EXT REF IN

Input for a 1 to 30 MHz external frequency reference signal. Also see page 12.

 

 

 

5

321.4 MHz IF

Provides 321.4 MHz IF output.

 

Out

 

 

 

 

6

TRIGGER 1 OUT

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

 

 

1 is the High=Sweeping (HSWP) signal.

 

 

 

7

TRIGGER 2 IN

Allows external triggering of measurements.

 

 

 

8

VIDEO OUT

Provides a y-axis video out signal. Note that this signal is not available when gating

 

 

is being used.

 

 

 

9

21.4 MHz IF OUT

Provides 21.4 MHz IF output.

 

 

 

10

SCSI

This feature is for factory use only

 

 

 

Chapter 2

27

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Image 27
HP E4440A, E4448A, E4446A, E4445A, E4443A manual Rear-Panel Features, Description

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.

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