Quadrature signals frequency doubler

Details Quadrature signals frequency doubler Quadrature signals frequency doubler

1993-11-12

1995-02-14

Cunningham, Terry D.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Frequency or repetition rate conversion or control

377 47, 327119, 327122, 327233, H03B 1900

Patent

active

053898869

ABSTRACT:
A circuit for generating a pair of quadrature output signals from a pair of quadrature input signals in which the frequency of the output signals is double that of the input. The circuit consists of two dual phase shifters, two symmetrical multipliers and a phase controller. The circuit is fabricated by conventional integrated circuit processing technology. A method of generating frequency doubled quadrature output signals is disclosed.

REFERENCES:
patent: 3676660 (1972-07-01), Miller
patent: 3800088 (1974-03-01), Bode
patent: 4006417 (1977-02-01), Pace
patent: 4359688 (1982-11-01), Haville
patent: 4648021 (1987-03-01), Alberkrack
patent: 4663541 (1987-05-01), Larrowe
"A 3Gb/s Bipolar Phase Shifter and AGC Amplifier", IEEE International Sold-State Circuits Conference, 1989, pp. 144-145.

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