Logic gating circuit with resistors in series with stabilisers - uses diodes in inverse connection to base of transistor connected to junction of resistors

摘要

The logic gating circuit has two resistors in series with a stabilisation circuit between the supply terminals. The base of the common emitter transistor is connected at the junction of the two resistors. The emitter of the first transistor and that of the second transistor have their own emitter resistors (3, 5). The stabilising circuit consists of a number of diodes related to the two resistors. The collector of the first transistor is connected directly to the supply line, whereas that of the second transistor is connected through the supply line via a resistor (4).