Mixer circuit having improved linearity and noise figure

Miscellaneous active electrical nonlinear devices – circuits – and – Specific input to output function – Combining of plural signals

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C327S355000, C327S362000, C455S326000, C330S254000

Reexamination Certificate

active

07342432

ABSTRACT:
A mixer circuit having improved linearity and noise figure is disclosed. The mixer circuit comprises an amplification unit having an input terminal and an output terminal, the amplification unit amplifying a signal applied to the input terminal to output it to the output terminal; a mixing unit having first, second and third input terminals, and first and second output terminals, the mixing unit mixing signals respectively applied to the first and second input terminals with a signal supplied to the third input terminal, to respectively output the mixed signals to the first and second output terminals; a capacitor connected between the output terminal of the amplification unit and the third input terminal of the mixing unit; and a current source for providing a specific quantity of current to the third input terminal of the mixing unit such that the quantity of current flowing through the third input terminal of the mixing unit is substantially larger than the quantity of current flowing through the amplification unit.

REFERENCES:
patent: 5532637 (1996-07-01), Khoury et al.
patent: 5572166 (1996-11-01), Gilbert
patent: 5748041 (1998-05-01), Kimura
patent: 5949286 (1999-09-01), Jones
patent: 6094084 (2000-07-01), Abou-Allam et al.
patent: 6147559 (2000-11-01), Fong
patent: 6205325 (2001-03-01), Groe
patent: 6275110 (2001-08-01), Kung
patent: 6308058 (2001-10-01), Souetinov et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Mixer circuit having improved linearity and noise figure does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mixer circuit having improved linearity and noise figure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mixer circuit having improved linearity and noise figure will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2799402

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.