H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/40 (2006.01) H03D 7/18 (2006.01) H04B 1/26 (2006.01)
Patent
CA 2303454
A transmitter-receiver includes a transmitting circuit for providing an output by converting the frequency of a transmission signal input thereto, a receiving circuit for providing an output by converting the frequency of a received signal input thereto, and a local oscillator which generates an oscillation signal having a local oscillating frequency based on a reference signal. A local oscillator signal splitter is connected to the local oscillator and splits the oscillation signal into substantially similar transmit and receive oscillation signals each at the local oscillating frequency. The local oscillator signal splitter supplies the transmit oscillation signal to the transmitting circuit and supplies the receive oscillation signal to the receiving circuit. The transmitting circuit converts the frequency of the transmission signal in accordance with said transmit oscillation signal, and the receiving circuit converts the received signal into two intermediate frequency signals in accordance with the receive oscillation signal. A selectable switch operates to select one of the two intermediate frequency received signals for further processing by the unit.
Bayuk Franklin J.
Tait Donald L.
Upton Eric L.
Gowling Lafleur Henderson Llp
Northrop Grumman Corporation
Trw Inc.
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