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The heart of an I2L circuit is the __________

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The heart of an I2L circuit is the __________

(a) Common collector open emitter inverter

(b) Common emitter open collector inverter

(c) Open emitter common collector inverter

(d) Open Emitter Open Collector Inverter

This question was posed to me during an interview.

This question is from Integrated-injection Logic(I^2L) in chapter Logic Families of Digital Circuits

1 Answer

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by (1.3m points)
Right answer is (b) Common emitter open collector inverter

The explanation: The heart of an I2L circuit is the common emitter open collector inverter. The emitter is connected to the ground, with the base having an input behaving as either current sink or high impedance floating condition. The output of an inverter is connected to the collector.

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