APPARATUS AND METHOD OF AUTOMATIC GAIN CONTROL IN A RECEIVER

A radio receiver (107) including at least two amplifier (245, 247, 207) stages each having adjustable gain. The receiver (107) generates a first and a second control signal (267, 229). In absence of receiving an input signal, the receiver (107) adjusts the gain of at least the first of the at least...

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Bibliographic Details
Main Author DANIEL C FELDT
Format Patent
LanguageEnglish
Published 12.05.1993
Subjects
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A radio receiver (107) including at least two amplifier (245, 247, 207) stages each having adjustable gain. The receiver (107) generates a first and a second control signal (267, 229). In absence of receiving an input signal, the receiver (107) adjusts the gain of at least the first of the at least two amplifier stages (207) with said first control signal (229). Upon generation of the second control signal (267), the gain of the first of the at least two amplifier stages (207) is maintained at a constant level. The gain of a second of the at least two amplifier stages (247) is adjusted with said first control signal (229), producing an output signal (269). A predetermined amplitude of the output signal (269) is maintained while receiving an input signal.
Bibliography:Application Number: GB19920025108