Optically controllable S-type negative resistance presented by a combinational connection of photocoupled FET's
Abstract
A negative resistance circuit constructed with a combinational connection of photocoupled FET's is proposed, which indicates optically controlled S-type negative resistance characteristics. The circuit can be used as a reciprocal switching element with two external light inputs and an application to optoelectronic flip-flop operation is presented. Moreover, a bidirectional S-type negative resistance circuit is proposed, in which three external light inputs may change widely the bidirectional S characteristics. Applications of the circuit, phase control operation of an alternatively applied voltage, and bilateral relaxation oscillation are demonstrated.
- Publication:
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IEEE Transactions on Electron Devices
- Pub Date:
- June 1983
- DOI:
- Bibcode:
- 1983ITED...30..647T
- Keywords:
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- Field Effect Transistors;
- Flip-Flops;
- Negative Resistance Circuits;
- Network Analysis;
- Optical Coupling;
- Volt-Ampere Characteristics;
- Circuit Diagrams;
- Electro-Optics;
- Light Emitting Diodes;
- Switching Circuits;
- Electronics and Electrical Engineering