Differential current amplifier with common mode rejection...

Details Differential current amplifier with common mode rejection... Differential current amplifier with common mode rejection...

2005-03-08

2005-03-08

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

C330S296000

Reexamination Certificate

active

06864748

ABSTRACT:
An amplifier for a differential signal drain is able to amplify a signal over a frequency range and boost the signal within a specified frequency range. A resistor is placed between the drain and gate of the first transistor of a cascode amplifier and can be selected to provide additional signal boost at a specified input frequency. An additional input transistor may be added to provide a stepped amplification over the frequency range. The amplifier is further able to reject common mode signals by using regulating transistors.

REFERENCES:
patent: 3939434 (1976-02-01), Crosby
patent: 5359296 (1994-10-01), Brooks et al.
patent: 6492874 (2002-12-01), Shih

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