Pulse circuit employing differential amplifier and tunnel diodes to produce variable width rectangular output pulses

Claim 1

A PULSE CIRCUIT COMPRISING: FIRST AND SECOND PAIRS OF TRANSISTORS, EACH HAVING BASE, EMITTER AND COLLECTOR ELECTRODES; MEANS BIASING THE TRANSISTORS OF THE FIRST PAIR FOR PROVIDING CURRENT FLOW IN THE COLLECTOR ELECTRODES THEREOF OF RELATIVELY VARIABLE MAGNITUDE; MEANS CONNECTING THE COLLECTOR ELECTRODES OF THE TRANSISTORS IN SAID FIRST PAIR FORMING CURRENT SOURCES TO THE EMITTER ELECTRODES OF THE TRANSISTORS IN THE SECOND PAIR; A CAPACITIVE CONNECTION BETWEEN THE EMITTER ELECTRODES OF THE TRANSISTORS IN THE SECOND PAIR; MEANS CONNECTED TO THE BASE ELECTRODES OF THE TRANSISTORS IN SAID SECOND PAIR FOR APPLYING A SIGNAL TO ONE OF THE BASE ELECTRODES WITH RESPECT TO THE OTHER OF THE BASE ELECTRODES; AND CIRCUIT MEANS CONNECTED TO ONE OF THE EMITTER ELECTRODES OF THE TRANSISTORS IN THE SECOND PAIR FOR PROVIDING AN OUTPUT THEREFROM FOR A PERIOD RELATED TO THE RELATIVE MAGNITUDES OF THE CURRENTS IN THE COLLECTOR ELECTRODES OF THE TRANSISTORS IN THE FIRST PAIR.