| 摘要 |
A circuit for adjusting a magnitude of a transmit signal includes a transmitter ( 105 ), providing a transmit signal ( 107 ). It also includes a transmitter amplifier ( 109 ), receiving the transmit signal ( 107 ) and a power control adjustment signal ( 121 ), and responsive thereto, providing an amplified transmit signal ( 111 ). The circuit also includes a detector ( 1 23 ), for detecting an amplitude of the amplified transmit signal ( 111 ). Also included is an error component ( 137 ) for determining the difference between the amplitude and a reference level ( 129 ). Further provided is a digital signal generator ( 155 ), receiving the difference ( 145 ), and responsive thereto, generating ( 157 ) a reference signal ( 125 ) and the power control adjustment signal ( 117, 121 ), where the reference level ( 129 ) is responsive to the reference signal ( 125 ).
|
