Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2008-04-22
2008-04-22
Le, Thanh Cong (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S330000
Reexamination Certificate
active
07363020
ABSTRACT:
A diode mixer comprises a mixer diode section which has a first circuit including an inductor and a capacitor connected in series and a diode connected in parallel with the first circuit and which includes a first connecting portion to which one end of the first circuit and the anode of the diode are connected, and a second connecting portion to which the other end of the first inductor circuit and the cathode of the diode are connected; an LO signal port connected to the first connecting portion via a first branching circuit and receiving an LO signal; an IF signal port connected to the mixer diode section via a second branching circuit; and an RF signal port connected to the mixer diode section through a third branching circuit. The inductor and the capacitive component of the diode constitute a resonant circuit.
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Bernkopf et al., “A Monolithic KA-Band Sub-Harmonically Pumped Frequency Converter”, IEEE Microwave and Millimeter-Wave Monolithic Circuits Symposium, pp. 43-46, (1991).
Cong Le Thanh
Leydig , Voit & Mayer, Ltd.
Mitsubishi Denki & Kabushiki Kaisha
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