Additive HF mixer

Details Additive HF mixer Additive HF mixer

1995-08-25

1998-03-24

Pham, Chi H.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455323, 327356, H04B 116

Patent

active

057323445

ABSTRACT:
HF mixer for changing the frequency of an alternating voltage input signal at the circuit input to an output signal supplied at the circuit output, with an input signal source for generating the alternating voltage input signal and a local oscillator for providing a heterodyne signal. The mixing stage has two transistors complementary to one another, and connected as base grounded circuits or gate grounded circuits, connected in parallel for the alternating voltage input signal. The two transistors are connected to the local oscillator in such a way that they are equidirectionally driven by the heterodyne signal, so that both transistors change simultaneously to the blocked or conductive state.

REFERENCES:
patent: 4032851 (1977-06-01), Hoover
patent: 4080573 (1978-03-01), Howell
patent: 4090139 (1978-05-01), Hoover
patent: 4978873 (1990-12-01), Shoemaker
patent: 5039891 (1991-08-01), Wen et al.
patent: 5410744 (1995-04-01), Rinderle et al.
patent: 5584069 (1996-12-01), Sapotta et al.

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