Electromagnetic signal processor

Details Electromagnetic signal processor Electromagnetic signal processor

1975-05-14

1977-01-11

Smith, Alfred E.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

333 70S, H03H 926, H03H 932

Patent

active

040030083

ABSTRACT:
An electromagnetic signal processor intended, for use, primarily, in the hundred kilohertz to the several hundred megahertz range includes a filtering or wave shaping first stage. The filtering stage (or filter, if constructed as a separate unit) includes a length of lumped or continuous electromagnetic transmission line with all or a portion of the shunt capacitance, at each point along the line, being connected to a low input impedance summing device. The longitudinal distribution of capacitance, thus connected, determines the frequency response of the processor. Particularly simple realizations involving transmission lines with split ground planes and operational integrators are disclosed. Use in communications systems and nuclear instrumentation is discussed.

REFERENCES:
patent: 2942195 (1960-06-01), Dean
patent: 3177433 (1965-04-01), Simon et al.
patent: 3660785 (1972-05-01), Hosokawa
Kuleshov, Yu. G. A Comb Filter Byulleter 12 obreteniy, 1959, Nr. 3, p. 22 (USSR).

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