Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2006-08-22
2006-08-22
Eng, George (Department: 2687)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S313000, C455S326000
Reexamination Certificate
active
07095998
ABSTRACT:
A mixer, which is a single balanced mixer, includes an LO port for inputting an LO signal, an RF port for inputting an RF signal, an IF port for outputting an IF signal, a balun for converting an unbalanced signal into a balanced signal, and a pair of mixer diodes connected in series. The mixer further includes a high-pass filter for blocking LO and IF signals and passing an RF signal and a low-pass filter for blocking LO and RF signals and passing an IF signal.
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Bando Tomoya
Matsumoto Mitsuhiro
Tatsumi Ryo
Bhattacharya Sam
Eng George
Keating & Bennett LLP
Murata Manufacturing Co. Ltd.
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