Frequency converter
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United States of America Patent
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-
Sep 1, 1987
Grant Date -
N/A
app pub date -
Dec 9, 1985
filing date -
Dec 8, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A frequency converter for use in a 4 GHz-band comprising a printed circuit board and a shield case. The printed circuit board is provided in the shield case and composed of an input terminal, and successively, a circuit of low noise amplifier, a band pass filter, a mixer and a circuit of local oscillator connected to the mixer. The constitution of the frequency converter is simplified, and accordingly the mass productivity, yield of production and reliability of the fabricated converter are greatly improved.
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