Adjustable output level signal transmitter

Details Adjustable output level signal transmitter Adjustable output level signal transmitter

1989-09-12

1992-12-08

Kuntz, Curtis

Pulse or digital communications

Repeaters

Testing

375 68, 331173, 331166, 178116, H04L 2704

Patent

active

051704145

ABSTRACT:
An adjustable output level transmitter includes a direct current energy source, an L-C tank circuit and a switching means for sequentially coupling the capacitors of the tank circuit to the direct current energy source and ground. The output signal frequency is equal to the resonant frequency of the L-C tank circuit and the output signal level is a function of which capacitors of the L-C tank circuit are sequentially coupled to the energy source. The circuit functions in a Class D mode with the inherent advantages of minimal power loss and very high efficiency. Due to the manner of switching utilized, the output signal frequency is very stable and unaffected by the mode of capacitor switching.

REFERENCES:
patent: 2815426 (1957-12-01), Rothstein
patent: 3518551 (1970-06-01), Carniol et al.
patent: 3866145 (1975-02-01), Hess, Jr. et al.

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