High-frequency module
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United States of America Patent
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Jun 27, 2023
Grant Date -
Aug 13, 2020
app pub date -
Aug 6, 2018
filing date -
Oct 13, 2017
priority date (Note) -
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Abstract
A high-frequency module with a simple configuration and facilitates size reduction and mass production is provided. An oscillator that includes a bipolar transistor, an antenna, and mixers are realized as one circuit. A base of the bipolar transistor is electrically connected to a resonance pattern or the like that outputs a signal at a frequency in a quasi-millimeter wave band or higher by direct oscillation. A collector is electrically connected to a transmission line or the like which is connected to a power source. An emitter is electrically connected to a planar open transmission line or the like that operates as an antenna. A portion of the signal transmitted through the open transmission line is fed back to the base via a capacitance between the open transmission line and the base. The open transmission line is electrically connected to two diodes and each of which operates as a mixer.
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