Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1976-08-18
1978-08-29
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307230, 328133, H03K 500, H03K 906
Patent
active
041106350
ABSTRACT:
An amplifier provides a complete video and sound I.F. signal to a synchronous detector switching circuit, and the switching signal to be applied to the switching circuit is obtained from the same amplifier by connecting a grounded base stage, with its emitter impedance, in series with the amplifier load. The grounded base stage has a load tuned to the I.F. carrier frequency, and the filtered signal from the grounded base is the signal applied as the switching signal to the synchronous detector switching circuit.
REFERENCES:
patent: 3760185 (1973-09-01), Green
patent: 3760197 (1973-09-01), Dana
Hongu Masayuki
Kawakami Hiromi
Tokuhara Masaharu
Eslinger Lewis H.
Heyman John S.
Sinderbrand Alvin
Sony Corporation
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