Keysight Technologies 85309B LO/IF, Руководство пользователя и сервисное руководство

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-iv Keysight 85309B User’s and Service Guide
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than seven meters from the 85309B. There are also IF amplifiers located in the
85309B, which serve as a preamplifier for the receiver, reducing the overall
system noise figure significantly.
The 85309B LO/IF Distribution Unit can be installed in a variety of
configurations for antenna testing. To learn about the various system
configurations, refer to the “Configuration Examples” section in Chapter 1 of
this document, and the online document Keysight Antenna Test Selection
Guide, part number 5968-6759E. See “Printing Copies of Documentation from
the Web” on the previous page.
85309B Options
85309B Standard
Provides one test channel and one reference channel.
85309B Option 001 - One Additional Test Channel
Adds one additional test channel. Provides a total of two test channels and one
reference channel.
85309B Option 002 - Two Additional Test Channels
Adds two additional test channels. Provides a total of three test channels and
one reference channel.
85309B Option 400 - Low and High Frequency Bands, One Test
Channel
0.1 – 1 GHz low frequency band; 0.3 – 18 GHz high frequency band. Provides a
total of one test channel and one reference channel.
85309B Option 401 - Low and High Frequency Bands, Two Test
Channels
0.1 – 1 GHz low frequency band; 0.3 – 18 GHz high frequency band. Adds one
additional test channel. Provides a total of two test channels and one reference
channel.
85309B Option 402 - Low and High Frequency Bands, Three Test
Channels
0.1 – 1 GHz low frequency band; 0.3 – 18 GHz high frequency band. Adds two
additional test channels. Provides a total of three test channels and one
reference channel.
Option 1CM - Rack Mount Kit Without Handles
Rack mount kit without handles. To obtain this item after receiving the 85309B,
order part number 5063-9214.