Single-to-differential conversion circuit outputting...

Details Single-to-differential conversion circuit outputting... Single-to-differential conversion circuit outputting...

2005-02-01

2005-02-01

Nguyen, Tony T. (Department: 2681)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S281000, C455S286000

Reexamination Certificate

active

06850752

ABSTRACT:
In a single-to-differential conversion circuit for converting a single signal into a differential signal formed of first and second signal components: a source-grounded (or emitter-grounded) first transistor receives the single signal at the drain (or collector); the gate (or base) and drain (or collector) of the first transistor are connected; the gate (or base) of a source-grounded (or emitter-grounded) second transistor is connected to the gate (or base) of the first transistor; the drain (or collector) of a gate-grounded (or base-grounded) third transistor outputs the first signal component; the source (or emitter) of the third transistor is connected to the drain (or collector) of the first transistor; the drain (or collector) of a gate-grounded (or base-grounded) fourth transistor outputs the second signal component; and the source (or emitter) of the fourth transistor is connected to the drain (or collector) of the second transistor.

REFERENCES:
patent: 5826182 (1998-10-01), Gilbert
patent: 6122497 (2000-09-01), Gilbert

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