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Cathode-follower phase-shift oscillator

01 September 1955

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Expressions are given for the frequency and required gain of the Colpitts oscillator with grounded anode, and for standard and cathode follower forms with RLC and RC phase-shifting networks. An experimental Colpitts oscillator for 24.5 kc/s and an RC oscillator for 137 c/s are described. The cathode follower types are very stable with respect to supply voltage variations.