Oscillators – Automatic frequency stabilization using a phase or frequency... – Transistorized controls
Patent
1975-07-24
1977-03-29
Grimm, Siegfried H.
Oscillators
Automatic frequency stabilization using a phase or frequency...
Transistorized controls
307233R, 307295, 307303, 307304, 331 34, 331108D, 331111, 331176, 357 23, 357 41, H01L 2978, H03K 116
Patent
active
040152162
ABSTRACT:
A frequency-voltage converter using a charge-pump element and a pulse generating circuit stabilized in frequency of the output pulse signal by using the frequency-voltage converter for detecting the deviation or variation of the frequency of the output pulse signal.
REFERENCES:
patent: 2531301 (1950-11-01), Scholten
patent: 3657560 (1972-04-01), Proebsting
patent: 3758865 (1973-09-01), McKibben
patent: 3851277 (1974-11-01), Suzuki et al.
Hamaoui, "Analog Multiplier/Divider Simplifies Frequency Locking", Electronics, July 5, 1973, pp. 99-100.
Ruston, "A Simple Crystal Discriminator for FM Oscillator Stabilization", Proceedings of the I.R.E., July 1951, pp. 783-788.
Sabaroff, "Negative Feedback Applied to Oscillators", Electronics, May 1940, pp. 32-33.
Grimm Siegfried H.
Hitachi , Ltd.
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