H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/114
H04B 1/26 (2006.01) H03D 9/06 (2006.01) H03D 7/18 (2006.01)
Patent
CA 1202372
Abstract of the Disclosure A microwave integrated circuit frequency converter includes a first filter (30) for a signal frequency and a second filter (32) for a local oscillator frequency connected at one terminal thereof with one terminal of the signal frequency filter (30) by a line (38), (40) having a predetermined electrical length. A parallel stub line (42) is short-circuited at one end thereof. A diode (34) is connected at its one end to a third filter (36) which is adapted to reflect the signal and local oscillator frequencies while passing an inter- mediate frequency. The parallel stub line (42) and diode (34) are connected at their other ends to a specific mixing point P on the connecting line (38), (40) at which the impedance is opened for the signal frequency when the local oscillator frequency filter (32) is seen from the signal frequency filter (30) side and the impedance is opened for the local oscillator frequency when the signal frequency filter (30) is seen from the local oscillator frequency filter (32) side.
417415
Nec Toshiba Space Systems Ltd.
Nippon Electric Co. Ltd.
Smart & Biggar
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