Radio frequency source circuit primarily for igniting the lamp o

Details Radio frequency source circuit primarily for igniting the lamp o Radio frequency source circuit primarily for igniting the lamp o

1981-07-20

1984-06-26

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Molecular resonance stabilization

331 941, 315267, 315344, H03L 102, H03L 502, H03L 726, H01S 100

Patent

active

044568916

ABSTRACT:
An improved oscillator circuit primarily for use as an RF source circuit for igniting a light discharge in a rubidium lamp used in a rubidium vapor cell frequency standard. A number of novel features are disclosed including an adjustable power capability dependent on current sensed feedback providing power adjustment over at least a 5-to-1 ratio; lamp heater monitoring for high oscillator power operation during warm-up; and light intensity monitoring for feedback bypass and high oscillator power operation whenever inadequate light discharge is detected.

REFERENCES:
patent: 2975330 (1961-03-01), Bloom et al.
patent: 3815048 (1974-06-01), Hamlet
patent: 3873884 (1975-03-01), Gabriel
patent: 3898583 (1975-08-01), Shuey

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