INPUT CIRCUITRY FOR TRANSISTOR POWER AMPLIFIER AND METHOD FOR DESIGNING SUCH CIRCUITRY

INPUT CIRCUITRY FOR TRANSISTOR POWER AMPLIFIER AND METHOD FOR DESIGNING SUCH CIRCUITRY

A circuit having: an input matching network; a transistor coupled to an output of the input matching network; and wherein the input matching network has a first input impedance when such input matching network is fed with an input signal having a relatively low power level and wherein the input matc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TREMBLAY JOHN C, TYNACH MATTHEW, MALLAVARPU RAGHU, WHELAN COLIN S
Format: Patent
Sprache:eng ; pol
Schlagworte:
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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Beschreibung
Zusammenfassung:A circuit having: an input matching network; a transistor coupled to an output of the input matching network; and wherein the input matching network has a first input impedance when such input matching network is fed with an input signal having a relatively low power level and wherein the input matching network has an input impedance different from the first input impedance when such input matching network is fed with an input signal having a relatively high power level.