Monolithic filter gain control circuits and techniques with favo

Details Monolithic filter gain control circuits and techniques with favo Monolithic filter gain control circuits and techniques with favo

1998-08-28

2000-09-19

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

Nonlinear

330 85, H03M 162

Patent

active

061219088

ABSTRACT:
Circuits and techniques for controlling gain while performing analog frequency-selective filtering of electronic signals are provided. In particular, these circuits and techniques control gain and filter electronic signals in a way that significantly reduces input-referred noise as the gain increases to accommodate smaller input signals, while operating within reasonable power constraints and employing a minimum amount of die space. Such circuits also significantly reduce the circuitry necessary for performing the combined steps of controlling gain and doing analog frequency-selective filtering of electronic signals.

REFERENCES:
patent: 4441080 (1984-04-01), Saari
patent: 5412335 (1995-05-01), Jackson et al.
A. Sedra et al. Microelectronic Circuits, 3D Edition pp. 804-805 (1991).

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