Accession Number:

ADD010527

Title:

System for Recording Waveforms Using Spatial Dispersion.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

Report Date:

1983-06-21

Pagination or Media Count:

8.0

Abstract:

This patent discloses a waveform recorder wherein surface acoustic waves excited in a piezoelectric-insulator-semiconductor layered structure produce a traveling electric field in the semiconductor substrate. Charges stored in the traveling potential wells and representing the instantaneous amplitude of a waveform to be recorded are transferred at high speed and density to different respective spatial locations. Because each successive well represents a different time instant of the waveform, the different spatial locations correspond to different times. The output signal from each of the locations can be selectively delayed before application to a display oscilloscope to enable display of the waveform at a rate many times slower that the actual frequency of the signal waveform.

Subject Categories:

  • Line, Surface and Bulk Acoustic Wave Devices
  • Test Facilities, Equipment and Methods

Distribution Statement:

APPROVED FOR PUBLIC RELEASE