Optimum subharmonic pumping frequency for parametric tunnel-diode memory arrays

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Optimum subharmonic pumping frequency for parametric tunnel-diode memory arrays

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Tunnel-diode parametric phase-locked oscillators may be used as very fast memory elements, and excessive pumping frequencies can be avoided by using subharmonic pumping. The effect of the small capacitive and inductive couplings between diodes used closely in quantity has been investigated. Computed pumping eigenfrequencies for the array can be significantly different from those when coupling effects are neglected.

Inspec keywords: tunnel diode oscillators; semiconductor storage devices; phase-locked loops

Subjects: Junction and barrier diodes; Oscillators

References

    1. 1)
      • S. Bloom , K.K.N. Chang . Parametric amplification using low-frequency pumping. J. Appl. Phys.
    2. 2)
      • B.S. Thornton . Design of parametric phase-locked subharmonic oscillator circuits for 3GHz information rates. Electron. Lett. , 24 - 26
    3. 3)
      • Rajschman, J.A.: `Solid-state microwave high speed computers', Proceedings of the Eastern Joint Computer Conference, 1959, p. 38.
    4. 4)
      • Roberts, L.G.: `Data processing technology forecast', US advanced research projects agency report, 23rd April 1969.
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