High gain, highly linear mixer

Details High gain, highly linear mixer High gain, highly linear mixer

2006-09-12

2006-09-12

Maung, Nay (Department: 2618)

Telecommunications

Transmitter

Frequency conversion

C455S293000, C455S319000, C455S333000, C455S334000, C330S252000, C330S253000, C330S258000, C330S275000, C327S065000, C327S066000, C327S067000, C327S359000, C327S362000

Reexamination Certificate

active

07107025

ABSTRACT:
A high gain, highly linear mixer includes an input section, mixing section, at least one tuning component, and at least one stand by current source. The input section is operably coupled to receive an input voltage signal and perform a linear transconductance thereon to produce an input current signal. The mixing section is operably coupled to mix a local oscillation with the input current to produce a mixed current signal. The tuning component is operably coupled to the mixing section and to convert the mixed current signal into a mixed voltage signal that function as the output of the mixer. The standby current source is operably coupled to the mixing section and provides a standby current to the mixing section.

REFERENCES:
patent: 6037825 (2000-03-01), Kung
patent: 6122497 (2000-09-01), Gilbert
patent: 6542019 (2003-04-01), Lim et al.
patent: 2003/0236083 (2003-12-01), Wiklund et al.

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