H - Electricity – 03 – G
Patent
H - Electricity
03
G
330/37
H03G 9/12 (2006.01) H03F 1/02 (2006.01) H03F 1/32 (2006.01) H03F 3/189 (2006.01) H03F 3/21 (2006.01) H03H 11/16 (2006.01)
Patent
CA 2033031
A linear amplifier includes a variable attenuator and a phase shifter for modifying the amplitude and phase of an input signal to compensate for amplitude and phase distortion caused by non-linear characteristics of a high-powered amplifier utilized in a microwave band communications system. An amplitude comparator and a phase comparator compare the amplitudes and phases of input and output signals of the linear amplifier circuit to develop control signals for controlling the operation of the variable attenuator and phase shifter. The elimination of digital signal processing circuitry allows increased speed of operation that is essential for use in the microwave bands.
Ikeda Yukio
Isota Yoji
Suematsu Noriharu
Takagi Tadashi
Toyoshima Gen
Kirby Eades Gale Baker
Mitsubishi Denki Kabushiki Kaisha
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