Voltage controlled resistor and a controlling method

Details Voltage controlled resistor and a controlling method Voltage controlled resistor and a controlling method

2007-01-02

2007-01-02

Jones, Stephen E. (Department: 2817)

Wave transmission lines and networks

Attenuators

C327S308000

Reexamination Certificate

active

10485977

ABSTRACT:
The invention discloses a new and original voltage variable resistor VVR with input and output ports and a first input and second input for control signals to set the impedance between the input and output ports as desired over a certain range and, thus, to optimize the operation of the VVR from the transmitter device control viewpoint as regards both the linearity and minimum impedance. The invention further discloses a method for controlling a VVR and a cellular radio system terminal.

REFERENCES:
patent: 5006735 (1991-04-01), Taylor
patent: 5049841 (1991-09-01), Cooper et al.
patent: 5309048 (1994-05-01), Khabbaz
patent: 2002/0186066 (2002-12-01), Soda
patent: 64-030315 (1987-02-01), None
patent: 01-143515 (1989-06-01), None
patent: 07-079132 (1995-03-01), None

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