Measured Noise Characteristics at Long Transit Angles

Measured Noise Characteristics at Long Transit Angles

Tests made on diodes at 3,000 Mc and transit times of over one radio-frequency cycle indicate that the space-charge reduction of noise is of the order of 10 to 1. This was true of diodes having tungsten, thoriated-tungsten, and oxide emitters. The magnitude of the noise, as well as the variation wit...

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Veröffentlicht in:Proceedings of the IRE 1949-04, Vol.37 (4), p.383-386
1. Verfasser: Lavoo, N.T.
Format: Artikel
Sprache:eng
Schlagworte:
Cathodes
Circuit noise
Current measurement
Diodes
Electrons
Low-frequency noise
Noise measurement
Noise reduction
Radiofrequency amplifiers
Space charge
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Zusammenfassung:Tests made on diodes at 3,000 Mc and transit times of over one radio-frequency cycle indicate that the space-charge reduction of noise is of the order of 10 to 1. This was true of diodes having tungsten, thoriated-tungsten, and oxide emitters. The magnitude of the noise, as well as the variation with transit time, was found to agree qualitatively with the present theory.
ISSN:0096-8390
2162-6634
DOI:10.1109/JRPROC.1949.231962