Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1988-12-16
1992-06-09
Callahan, Timothy P.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
328 14, 328167, 307261, H03B 2800, H03B 1900, H03K 500
Patent
active
051210690
ABSTRACT:
A programmable signal generator is disclosed which includes a source of a user control signal. A controlled clock signal generator produces one of a predetermined setof respective clock signals responsive to the user control signal. Means are coupled to the clock signal generator for converting the clock signals to an analog sine-wave.
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Sandler, H. M. et al.; Sine-Wave Generation Using a High-Order Low-Pass Switched Capacitor Filter; Jun. 5, 1986; Electronic Letters (GB), vol. 22, No. 12; pp. 635-6.
Threlfall, D. C.; Sine Wave Generator Uses Switched Capacitor Filter; May 27, 1982, Electronic Engineering (GB), vol. 54, No. 655; p. 27.
Helfrick, A. D.; Sine Generator Has Low Distortion; Jan. 26, 1984, EDN, vol. 29, No. 2: p. 211.
Wagdy, M. F.; A Microcomputer Controlled Digital Frequency Synthesizer; Mar. 25-27, 1986; IEEE MTC/86 Conference Record; pp. 236-238.
Burns Robert V.
Gupta Sanjay
Callahan Timothy P.
Morris Jeffrey P.
Siemens Transmission Systems, Inc.
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