according to the method of the logical element in a data logic circuit couples to the combination logic and signals

摘要

The amplifier consists of emitter coupled transistors, followed by an emitter follower. A differential amplifier transistor is controlled by a first input signal and is in parallel with a transistor controlled by a second input signal. The first differential amplifier transistor emiters are connected to the collector of a directly controlled transistor of a second differential amplifier consisting of two transistors. The collector of the first amplifier transistor, whose base is connected to a reference potential is connected to the collector of the second amplifier transistor, whose base is also connected to a reference potential. A further emitter follower with two parallel transistors, is controlled by an input signal.