Frequency doubling method and apparatus

Details Frequency doubling method and apparatus Frequency doubling method and apparatus

1998-06-30

2000-07-18

Kim, Jung Ho

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Frequency or repetition rate conversion or control

327119, H03B 1900

Patent

active

060912715

ABSTRACT:
The frequency doubling circuit according to the present invention includes first and second pulse generating circuits generating first and second pulse trains based on a periodic input signal. The second pulse train is out of phase with the first pulse train, and a combining circuit combines the first and second pulse trains to generate a periodic output signal having twice the frequency of the periodic input signal. Both the first and second pulse generating circuits include first and second charge storage devices, with the second charge storage device having half the storage capacity of the first charge storage device.

REFERENCES:
patent: 4101789 (1978-07-01), Ruhmau
patent: 4634987 (1987-01-01), Nolte
patent: 5635866 (1997-06-01), Monk et al.

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