18 Chapter 1
Overview
Instrument Hardware Option Descriptions
Option 124 (All PSA Series) Adds a 0 to 1 V Video output on the rear
panel. This video out has run through the normal IF paths and is
envelope detected after it has been conditioned by the resolution
bandwidth, video bandwidth reference level and scale settings. The
video out is always active even when the instrument is in zero span and
not being swept. Updating early instruments requires changing the A7
Digital IF assembly.
Option 140 (E4440A, E4443A, E4445A, E4446A, E4448A)
40 MHz Bandwidth Digitizer. Provides 40 MHz wideband IF from
10 MHz to the upper frequency range of the analyzer. This option adds
the A31 Wideband Analog IF and A32 Wideband Digital IF assemblies
and associated filtering and cabling.
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