H - Electricity – 03 – F
Patent
H - Electricity
03
F
H03F 1/26 (2006.01) H03F 3/04 (2006.01) H03F 3/16 (2006.01) H03F 3/189 (2006.01) H03F 3/68 (2006.01)
Patent
CA 2361298
An impedance matching low noise amplifier ("LNA") having a bypass switch includes an amplification circuit, a bypass switching network and a match adjustment circuit. The amplification circuit has an amplifier input and an amplifier output, and is configured to receive a radio frequency (RF) input signal at the amplifier input and apply a gain to generate an amplified RF output signal at the amplifier output. The bypass switching network is coupled to a low-gain control signal and is also coupled between the amplifier input and the amplifier output. The bypass switching network is configured to couple the amplifier input to the amplifier output when the low-gain control signal is enabled in order to feed the RF input signal through to the RF output signal. The match adjustment circuit is coupled to the low-gain control signal and the RF input signal, and is configured to couple the RF input signal to an impedance when the low-gain control signal is enabled.
Borden Ladner Gervais Llp
Research In Motion Limited
LandOfFree
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