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Amplifier Circuits - PENDING

Note, Q3 and Q4 in Figure below are complementary, NPN and PNP respectively. This circuit works well for moderate power audio amplifiers. For an explanation of this circuit see “Direct coupled complementary-pair,” Ch 4.

Direct coupled complementary symmetry
Direct coupled complementary symmetry 3 w audio amplifier. After Mullard. [MUL]
Lessons In Electric Circuits copyright (C) 2000-2020 Tony R. Kuphaldt, under the terms and conditions of the CC BY License.

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Revised November 06, 2021

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