Field effect device and circuit having high current driving capabilities utilizing such device

Claim 1

A push-pull current driver circuit comprising a first insulated-gate field effect device comprising a plurality of gate, source and drain regions and a diffused high-impedance resistive path between source and drain electrodes for said device, said path meandering between said gate regions and constituting drain and source regions adjacent said gate regions in such manner that upon turn-on of said device, said highimpedance path is shunted by channel regions underlying said gate regions between said source and drain regions of said device and further comprising second, third, and fourth field effect devices, said second device and said diffused high-impedance resistive path of said first device constituting a first ratio inverter, and said third and fourth devices constituting a second ration inverter, means connected to the source electrodes of said second and fourth devices for connection to reference ground potential, means connected to the gate electrodes of said second and fourth devices for connection to an input signal supply means, means connected to the drain electrode of said first device for connection to first drain potential supply means, means connected to the drain electrode of said third device for connection to second drain potential supply means, means connected to the gate electrode of said third device for connection to gate potential supply means, means connecting the gate regions of said first device to the source electrode of said third device, and means for deriving an output signal from the output of said first ratio inverter at the source electrode of said first device.