Wave transmission lines and networks – Negative resistance or reactance networks of the active type – Simulating specific type of reactance
Reexamination Certificate
2007-04-03
2007-04-03
Pascal, Robert (Department: 2817)
Wave transmission lines and networks
Negative resistance or reactance networks of the active type
Simulating specific type of reactance
C333S215000
Reexamination Certificate
active
10929843
ABSTRACT:
The present invention provides an active inductor apparatus and system, having a variable frequency response through inductance adjustment. The active inductor apparatus comprises a variable resistive element and a variable gain element, and the system further comprises an inductance controller and a gain controller. The variable resistive element has a first terminal and a second terminal, with the second terminal capable of receiving a first adjustment signal. The inductance controller is capable of providing the first adjustment signal to control and adjust a resistance level of the variable resistive element. The variable gain element has a third terminal capable of receiving a second adjustment signal. The gain controller is capable of providing the second adjustment signal to control and adjust a transconductance of the variable gain element. The frequency response of the active inductor apparatus and system is variable in response to adjustment of the resistance level of the variable resistive element and in response to adjustment of the transconductance of the variable gain element.
REFERENCES:
patent: 5202655 (1993-04-01), Hara
patent: 5256991 (1993-10-01), Campbell et al.
patent: 5347238 (1994-09-01), Kobayashi
patent: 5600288 (1997-02-01), Liu
patent: 5726613 (1998-03-01), Hayashi et al.
patent: 6028496 (2000-02-01), Ko et al.
patent: 6211753 (2001-04-01), Leifso et al.
patent: 6515560 (2003-02-01), Adan
patent: 6737944 (2004-05-01), Kunikiyo
patent: 7020450 (2006-03-01), Desclos
patent: 7042317 (2006-05-01), Xiao et al.
Agere Systems Inc.
Glenn Kimberly E
Pascal Robert
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