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8472B Operating and Service Manual 1
Description
Description
The 8472B crystal detector is a 50
Ω (
nominal) device designed for
measurement use in coaxial systems.
Features • The instrument converts RF power levels applied to the 50
Ω
input
connector into proportional values of dc voltage.
• The instrument measures relative power up to 200 mW and has a BNC
female connector for the output jack which allows the detected output to
be connected to a SWR meter.
• The output voltage polarity is negative, unless Option 003 is selected.
• The frequency range of the detector is 10 MHz to 18 GHz.
Options The 8472B crystal detector is available with the following options. Refer to
Table 1 for further descriptions.
Option 001: Matched pair of detectors
Option 002: Optimum square law load
Option 003: Positive polarity output
Option 100: Female OSSM type output connector
Mating Connectors • The mating output connector used with the crystal detector must be a
male BNC connector for the standard output connector or an OSSM
male connector for Option 100.
• The mating RF input connector must be a female SMA connector.
CAUTION SMA connectors have a limited life in applications that require repeated
connecting and disconnecting. In-series adapters should be used for such
applications.