Electronic component containing capacitance diodes, having...

Details Electronic component containing capacitance diodes, having... Electronic component containing capacitance diodes, having...

2005-01-11

2005-01-11

Lee, Benny (Department: 2817)

Tuners

Tuner unit directly responsive to voltage and/or current...

Reactance tuning

C257S601000

Reexamination Certificate

active

06842094

ABSTRACT:
An electronic component has at least a first diode and a second diode that are capacitance diodes. The characteristic curve of the second diode has a fixed, known relationship to that of the first diode. For example, the first diode and the second diode can have an identical variation ratio, being the quotient of the maximum and minimum adjustable capacitances. These components are suitable for use in television tuners, for example in three-band tuners, where diodes having the same characteristic curve and coming from different components are arranged and connected in each sub-receiving unit. The integration of a plurality of diodes reduces the number of components required, and also the time and cost involved in grouping together diodes with good synchronization properties.

REFERENCES:
patent: 4023053 (1977-05-01), Shimizu et al.
patent: 4584544 (1986-04-01), Hettiger
patent: 6084486 (2000-07-01), Suzuki et al.
patent: 6125269 (2000-09-01), Brekelmans
patent: 36 06 437 (1986-08-01), None
patent: 1182864 (1970-03-01), None
patent: 60 060 746 (1985-04-01), None
patent: 04 186 678 (1992-07-01), None
patent: 07 183 767 (1995-07-01), None
patent: 08 264 713 (1996-10-01), None

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