MMIC FET mixer and method
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United States of America Patent
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-
May 14, 1996
Grant Date -
N/A
app pub date -
Jun 20, 1994
filing date -
Jun 20, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A MMIC FET mixer and method includes a RF input port for receiving a RF signal, a feedback control input for receiving a feedback signal, and a LO input port for receiving a LO signal. A feedback controller is coupled to the RF amplifier, the feedback controller for producing a controlled RF signal in response to the feedback signal. A constant current source is coupled to the feedback controller, to the RF amplifier and to the LO input port. The constant current source receives a DC offset voltage, the controlled RF signal, and the LO signal and produces an IF output signal at an IF output port. The IF output signal is proportional to the DC offset voltage, to the RF signal, and to the LO signal.
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