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Keysight 85309B User’s and Service Guide 2-5
Operating Information
85309B Front Panel Features
— LOW 0.1 GHz to 1 GHz operating frequency.
— HIGH 0.3 GHz to 18 GHz operating frequency.
— EXT Enables external control of band selection via rear panel J15
HIGH/LOW BAND SELECT port. TTL high (+5 V) selects HIGH band; TTL low
(0 V) selects LOW band.
If the green LED above the Band Selection knob is lit, the HIGH band is
selected. If the LED is not lit, the LOW band is selected.
Use Keysight 85320A/B Option H20 external mixer modules to utilize the
0.1 GHz to 3 GHz frequency range of operation.
Summary of Contents for 85309B LO/IF
Page 6: ...vi Keysight 85309B User s and Service Guide...
Page 18: ...1 10 Keysight 85309B User s and Service Guide Getting Started Getting Help with Your 85309B 1...
Page 86: ...4 32 Keysight 85309B User s and Service Guide Service Replaceable Parts 4...