Schaltungsanordnung zur UEbertragung elektrischer Schwingungen

673,034. Valve amplifying circuits. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Jan. 17, 1950 [Jan. 20, 1949], No. 1196/50. Addition to 645,989. Class 40 (vi). In a very high-frequency amplifier in which the pass-band is mainly determined by circuits subsequent to the first valve, and in which noise produce...

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Hauptverfasser:	STRUTT MAXIMILIAAN JULIUS OTTO, BAKKER JAN
Format:	Patent
Sprache:	ger
Schlagworte:	AMPLIFIERS BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY CONTROL OF AMPLIFICATION DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY SELECTING RESONANT CIRCUITS TRANSMISSION TUNING RESONANT CIRCUITS
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Zusammenfassung:	673,034. Valve amplifying circuits. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Jan. 17, 1950 [Jan. 20, 1949], No. 1196/50. Addition to 645,989. Class 40 (vi). In a very high-frequency amplifier in which the pass-band is mainly determined by circuits subsequent to the first valve, and in which noise produced by transit-time grid current in this valve is reduced, as disclosed in the parent Specification, by detuning the input circuit to present an impedance which is slightly capacitative over the pass-band of the amplifier, a condenser of the order of 1 pF is connected between the anode and grid of the first valve. The arrangement is more particularly applicable where the valve is of screen-grid, or pentode, type.