Band-pass filter and gain stage

Details Band-pass filter and gain stage Band-pass filter and gain stage

H - Electricity

03

H

333/54

H03H 7/12 (2006.01)

Patent

CA 1168321

BAND-PASS FILTER AND GAIN STAGE ABSTRACT OF THE DISCLOSURE A band-pass filter and gain stage which produces a desired passband at a preselected center frequency. The present invention can be characterized as being a very passive frrequency door whose output is lightly coupled to a broad band frequency amplifier having a high gain. The present invention includes an input connected to an input impedance stage, which is connected to a monolithic filter stage, which is connected to a second impedance stage, which is connected to a gain stage, which, in turn, is connected to an output terminal. A piozoelectric quart crystal monolithic filter or a piozoelectric ceramic mono- lithic filter can be employed depending on the width desired for the passband response.

377711

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