Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2005-05-13
2010-12-07
Nguyen, Tuan H (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S313000, C455S326000
Reexamination Certificate
active
07848728
ABSTRACT:
A broadband balanced frequency converter (“BBFC”) in signal communication with a frequency source is disclosed. The BBFC may include a mixer and an active balancing element in signal communication with the mixer.
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patent: 5073977 (1991-12-01), Kawahata
patent: 5373241 (1994-12-01), Ham et al.
patent: 2005/0070242 (2005-03-01), Davis
patent: 2007/0259636 (2007-11-01), Fisher
Agilent Technologie,s Inc.
Nguyen Tuan H
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