Amplifiers – With periodic switching input-output
Reexamination Certificate
2007-07-24
2007-07-24
Lee, Benny T. (Department: 2817)
Amplifiers
With periodic switching input-output
C327S307000
Reexamination Certificate
active
11127045
ABSTRACT:
A sampling differential amplifier for amplification of a signal having: a signal input (2) for application of an input signal to be amplified; signal amplification transistors (N1,N1) whose control connections are connected via sampling capacitors (CA,CA) to the signal input (2); with the signal amplification transistors (N1,N1) each being connected via series-connected load resistances (RL1, RL2) to a positive supply voltage (VDD) and via current source (N3) to a negative supply voltage (VSS); a signal output (3) for emitting an amplified output signal, with the signal output (3) being tapped off the signal amplification transistors (N1,N1); and having sampling switching transistors (N2,N2), which are each connected between the series-connected load resistances (RL1, RL2) and a control connection of one signal amplification transistor (N1,N1), with the control connection of the sampling switching transistors (N1,N1) being connected to a control signal input (13) for application of a sampling control signal.
REFERENCES:
patent: 4783602 (1988-11-01), Viswanathan
patent: 6369652 (2002-04-01), Nguyen et al.
patent: 6710645 (2004-03-01), Isken et al.
patent: 6937078 (2005-08-01), Schrodinger
patent: 7057460 (2006-06-01), Kaviani et al.
Flanagan Krista
Infineon - Technologies AG
Lee Benny T.
Maginot Moore & Beck
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