Variable attenuator system and method

Details Variable attenuator system and method Variable attenuator system and method

2007-02-27

2007-02-27

Urban, Edward F. (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

C455S289000, C333S08100R

Reexamination Certificate

active

10705518

ABSTRACT:
A variable attenuator comprising a first attenuator for attenuating a RF signal according to a fixed voltage, a second attenuator connected in parallel to the first attenuator and attenuating the RF signal according to a control voltage for determining an attenuation mode, and a first impedance matching unit for maintaining input/output impedance matching of the second attenuator.

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