
iv
Service Guide 85309-90082
amplify LO drive power through RF cables to the mixers in the antenna test
configuration. The high output power allows the mixers to be located more
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
Agilent 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.
Summary of Contents for 85309B
Page 6: ...vi Service Guide 85309 90082...
Page 9: ...Service Guide 85309 90082 1 1 1 Getting Started...
Page 21: ...Service Guide 85309 90082 2 1 2 Operating Information...
Page 41: ...Service Guide 85309 90082 3 1 3 General Information...
Page 49: ...Service Guide 85309 90082 4 1 4 Service...
Page 76: ...4 28 Service Guide 85309 90082 Service LO IF Distribution Unit ReplaceableParts 85309B...