Technique to drive transformer coupled line amplifier

Details Technique to drive transformer coupled line amplifier Technique to drive transformer coupled line amplifier

1992-01-22

1993-07-13

Mottola, Steven

Amplifiers

Signal feedback

Plural amplifier channels

330124R, 381121, H03F 368

Patent

active

052277356

ABSTRACT:
The invention relates to a circuit for driving a transformer coupled line amplifier. The present invention uses a high impedance differential negative feedback from the secondary of the transformer and uses positive feedback from the primary winding of the transformer. This enables the transformer to be smaller in size while still reducing the harmonic distortion, improving the frequency response, eliminating ringing, lowering the output impedance, improving the longitudinal balance, and also improving the overall stability and phase response of the transformer.

REFERENCES:
patent: 3051788 (1962-08-01), Seeley
patent: 4088961 (1978-05-01), Ashley
patent: 4532476 (1985-07-01), Smith
Buscher, R. G., "Computers in Audio Design", Audio, Mar., 1961 pp. 22-24.

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