Mixer for high frequency transceiver has voltage supply circuit connected to Schottky barrier diode and comprising trimmable chip resistor which controls bias current to Schottky barrier diode provided at output terminal of coupler

摘要

A voltage supply circuit (C) connected to a Schottky barrier diode (2) comprises a trimmable chip resistor (3) which controls bias current that flows to the Schottky barrier diode provided at output terminal (1c) of a coupler (1) having two input ports (1a,1b). Independent claims are also included for the following: (A) a high frequency transceiver for radar apparatus; and (B) a radar apparatus mounted to e.g. vehicle, small ship.