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On a Type of Automatically Interrupted Triode Oscillations

Published online by Cambridge University Press:  24 October 2008

J. A. Ratcliffe
Affiliation:
Sidney Sussex College
L. G. Vedy
Affiliation:
Downing College

Extract

A type of automatically interrupted triode oscillations is described which depends on the interaction between an oscillating triode circuit and. a circuit containing a non-linear resistance and a time-constant device. The theory of the circuit is developed and tested experimentally by means of oscillograms. The theory of the rise and decay of currents in a circuit containing an inductance and a non-linear resistance is dealt with in an appendix.

Type
Articles
Copyright
Copyright © Cambridge Philosophical Society 1930

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References

* The diode usually consisted of a triode (l.s. 5) with the plate and grid connected together.

See Appleton, , Proc. Roy. Soc. A, 111, p. 672 (1926).Google Scholar

For the meaning of this “synchronization” see Appleton, , Proc. Camb. Phil. Soc. Vol. 21, Part 3, p. 231 (1922).Google Scholar

* The self-capacity of the inductance is large enough to offer no appreciable reactance to the high-frequency component of the current, but is too small to affect the growth of the slowly varying current.

For a complete discussion see Appendix I.

* , and is the reactance of the circuit L 2R 2C 2.

* der Pol, Van, Phil. Mag. Vol. 43, p. 700 (1922).CrossRefGoogle Scholar

This circuit is sometimes used in “super-regenerative” receivers, where it is desired to have a high-frequency oscillation periodically interrupted.