Acoustic wave devices with temperature stabilization

Details Acoustic wave devices with temperature stabilization Acoustic wave devices with temperature stabilization

1979-09-21

1981-06-09

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Delay lines including elastic surface wave propagation means

331107A, 333153, 333193, 333195, H03H 942, H03H 968, H03H 925, H01L 4118

Patent

active

042727421

ABSTRACT:
An acoustic wave device comprises a substrate carrying two or more acoustic components aligned in different directions and electrically connected together in parallel. The phase slope of the acoustic components are similar but their temperature coefficients of delay are different whereby their resultant frequency response is compensated over a useful temperature range. The acoustic components may be delay line employing surface waves or surface skimming bulk waves, or one or two port resonators using surface waves.

REFERENCES:
patent: 3886484 (1975-05-01), Dias et al.
patent: 3950713 (1976-04-01), Lewis
patent: 3999147 (1976-12-01), Otto et al.
patent: 4159435 (1979-06-01), Lewis
patent: 4193045 (1980-03-01), Houkawa et al.

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