Amplifiers – With semiconductor amplifying device – Including current mirror amplifier
Reexamination Certificate
2011-05-24
2011-05-24
Nguyen, Khanh V (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including current mirror amplifier
C330S283000
Reexamination Certificate
active
07948319
ABSTRACT:
One embodiment of the invention includes a current-mirror system. The system includes a current-mirror circuit configured to conduct an input current through a first current path that includes a first degeneration resistance device and to generate an output current that flows through a second current path that includes a second degeneration resistance device. The output current can be substantially proportional to the input current. The system also includes a degeneration control circuit configured to maintain a substantially constant degeneration voltage across each of the first and second degeneration resistance devices.
REFERENCES:
patent: 5399991 (1995-03-01), Moraveji
patent: 5907262 (1999-05-01), Graeme et al.
patent: 5910780 (1999-06-01), Tam
Mukophadhyay Rajarshi
Reza Sharifi
Brady III Wade James
Nguyen Khanh V
Stephens Dawn V.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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