Mixer with shorting switch

Details Mixer with shorting switch Mixer with shorting switch

2011-08-23

2011-08-23

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

Combining of plural signals

C327S359000, C455S326000

Reexamination Certificate

active

08004342

ABSTRACT:
A double-balanced mixer is provided having a shorting switch connecting the signal inputs to the mixer core. A timer circuit provides pulses to close the switch, thereby shorting those inputs at times when the switches of the mixer core are switching. This is done because non-linear components in the output are produced at those times and therefore they can be removed if the signal input is shorted at those times.

REFERENCES:
patent: 7383034 (2008-06-01), Shima et al.
patent: 7437131 (2008-10-01), Wu et al.
patent: 2003/0169089 (2003-09-01), Manku et al.
patent: 2004/0227559 (2004-11-01), Erba et al.
patent: 2006/0128340 (2006-06-01), Hsieh et al.
PCT International Search Report and Written Opinion dated Sep. 22, 2008 in related PCT Application No. PCT/EP2008/000974.

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