Miscellaneous active electrical nonlinear devices – circuits – and – Specific input to output function – Combining of plural signals
Reexamination Certificate
2005-09-28
2008-08-26
Richards, N. Drew (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific input to output function
Combining of plural signals
C327S355000, C327S103000, C455S326000, C455S333000
Reexamination Certificate
active
07417486
ABSTRACT:
A cross-coupled low-distortion voltage-current conversion circuit has transistors T1to T6. At least one of the transistors has parallel connections of two or more transistors. By arbitrarily setting the number of parallel connections of the transistors T1to T6, the current distributions of the circuits are optimized while maintaining the conventional low-distortion operation. The invention finds applications in amplifiers and mixers that need to be operated with low distortion and low power consumption. The invention provides a cross-coupled low-distortion voltage-current conversion circuit that has freedom of design and improved performance without increasing power consumption over the entire circuit.
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Iizuka Kunihiko
Koutani Masato
Morrison & Foerster / LLP
Nguyen Hai L.
Richards N. Drew
Sharp Kabushiki Kaisha
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