Miscellaneous active electrical nonlinear devices – circuits – and – Gating – Utilizing three or more electrode solid-state device
Reexamination Certificate
2008-08-12
2010-12-14
Nguyen, Long (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Gating
Utilizing three or more electrode solid-state device
C327S543000, C327S560000
Reexamination Certificate
active
07852136
ABSTRACT:
A network having a current mirror comprising: a output transistor having a gate electrode for controlling a first current between a first electrode and a second electrode, the first electrode being coupled to a positive reference potential and the second electrode being connected to ground. A second transistor has a gate electrode for controlling a second current between a first electrode and a second electrode of the second transistor. The gate electrodes are connected together to produce the first current and the second current with equal current densities. A first portion of current from a current source is fed to the first electrode of the second transistor and a second portion of current from the current source is fed to a bias voltage producing circuit producing a bias voltage at the gate electrode of the output transistor for tracking variations in the first current passing through the output transistor.
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patent: 6114901 (2000-09-01), Singh et al.
patent: 6304130 (2001-10-01), Poulin et al.
patent: 2003/0155977 (2003-08-01), Johnson et al.
Rajinder Singh, Hiroshi Nakamura, Khen-Sang Tan, Junichi Shibata, A 1.9 Fully Integrated PHS Power Amplifier With A Novel Automatic Gate-Bias Control Circuit, 1998, pp. 431-434, 1998 IEEE MTT-S Digest.
Daly, Crowley & Mofford & Durkee, LLP
Nguyen Long
Raytheon Company
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