buffered emitter follower

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• Emitter-coupled logic — Motorola ECL 10,000 basic gate circuit diagram[1] In electronics, emitter coupled logic (ECL), is a logic family that achieves high speed by using an overdriven BJT differential amplifier with single ended input, whose emitter current is limited… …   Wikipedia

• Current source — Figure 1: An ideal current source, I, driving a resistor, R, and creating a voltage V A current source is an electrical or electronic device that delivers or absorbs electric current. A current source is the dual of a voltage source. The term… …   Wikipedia

• Differential amplifier — symbol The inverting and non inverting inputs are distinguished by − and + symbols (respectively) placed in the amplifier triangle. Vs+ and Vs− are the power supply voltages; they are often omitted from the diagram for simplicity, but of course… …   Wikipedia