Radio frequency (rf) power limiter and associated methods

Details Radio frequency (rf) power limiter and associated methods Radio frequency (rf) power limiter and associated methods

H - Electricity

02

H

H02H 9/02 (2006.01) H03H 7/25 (2006.01) H04B 1/18 (2006.01)

Patent

CA 2752731

A resistive radio frequency (RF) signal power limiter is for connection between an antenna and a receiver circuit in an RF receiver system. The receiver circuit may include a low noise amplifier (LNA). The resistive RF signal power limiter may include at least one positive temperature coefficient (PTC) thermistor connected in series, and at least one negative temperature coefficient (NTC) thermistor connected in shunt between the at least one PTC thermistor and a reference voltage.

La présente invention porte sur un limiteur de puissance de signal radiofréquence (RF) résistif destiné à être connecté entre une antenne et un circuit récepteur dans un système récepteur RF. Le circuit récepteur peut comprendre un amplificateur à faible bruit (LNA). Le limiteur de puissance de signal RF résistif peut comprendre au moins une thermistance à coefficient positif de température (PTC) connectée en série, et au moins une thermistance à coefficient négatif de température (NTC) connectée en dérivation entre la ou les thermistances PTC et une tension de référence.

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