The Compensation of Delay Distortion in Video Delay Lines

The Compensation of Delay Distortion in Video Delay Lines

Delay distortion in ordinary solenoidal delay lines is primarily caused by the decay of solenoid inductance resulting from a reduced magnetic coupling at the higher frequencies. An analysis of the phase characteristic of delay lines which employ solenoid bridging capacitances to compensate for this...

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Veröffentlicht in:Proceedings of the IRE 1950-09, Vol.38 (9), p.1036-1040
Hauptverfasser: Erickson, R.A., Sommer, H.
Format: Artikel
Sprache:eng
Schlagworte:
Capacitance
Conductors
Delay effects
Delay lines
Frequency
Inductance
Laboratories
Magnetic analysis
Solenoids
Transmission lines
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Zusammenfassung:Delay distortion in ordinary solenoidal delay lines is primarily caused by the decay of solenoid inductance resulting from a reduced magnetic coupling at the higher frequencies. An analysis of the phase characteristic of delay lines which employ solenoid bridging capacitances to compensate for this inductance variation is presented. The relations necessary for determining the delay distortion and effective bandwidth corresponding to any amount of compensation are given. The analysis is verified by observations on several experimental lines, wherein the bridging capacities are obtained by means of isolated metal patches placed in proximity to the solenoid.
ISSN:0096-8390
2162-6634
DOI:10.1109/JRPROC.1950.229822