Differential demodulators using surface elastic wave devices

Details Differential demodulators using surface elastic wave devices Differential demodulators using surface elastic wave devices

1976-05-14

1977-10-18

Grimm, Siegfried H.

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

325349, 325487, 329137, 329145, 333 30R, 333 72, H03D 316

Patent

active

040548414

ABSTRACT:
A differential demodulator of phase-modulated digital data trains includes a device, for example a piezoelectric substrate, which transmits acoustic surface waves and includes comb-shaped input and output transducers on the substrate. The delay in the transmission of acoustic surface waves between the input and output transducers is used in the process of demodulating the phase modulated digital data trains.

REFERENCES:
patent: 3936751 (1976-02-01), Holmes et al.
patent: 3987367 (1976-10-01), Hartemann

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