Patent ID: 7119614

Claim:
A multi-band power amplifier module, comprising: a step gain terminal configured to receive a first step gain signal and a second step gain signal; a first power amplifier configured to amplify a first input radio frequency signal in a first frequency band in response to a first bias control signal to produce a first output radio frequency signal; a first bias circuit configured to output the first bias control signal in response to the first step gain signal at the step gain terminal; a second power amplifier configured to amplify a second input radio frequency signal in a second frequency band in response to a second bias control signal to produce a second output radio frequency signal; a second bias circuit configured to output the second bias control signal in response to the second step gain signal at the step gain terminal, a first input terminal configured to receive the first input radio frequency signal in the first frequency band; a first output terminal configured to receive the first output radio frequency signal; and one or more ground terminals connected to the first power amplifier or the second power amplifier.