130 to 940 MHz Power amplifier

The power amplifier supplies the transmit RF signal to the antenna. It is based on E class power amplifier with preamplifier. Voltage regulator and duty cycle adjustment system are used to regulate an output power. Matching circuit is needed to transmit output signal to the antenna and to eliminate the second and the third harmonics of PA output signal. Built-in trimming capacitors are used for PA fine adjustment.Operating frequency range is 130...940 MHz. Maximum output power is 10 dBmW.
The block is fabricated on iHP SiGe BiCMOS 0.25 um (SGB25V) technology.

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