Question

What kind of design is used to avoid transformer usage?

(a) High resistance

(b) Matched load

(c) Complementary symmetry

(d) Capacitive Model

This question was addressed to me in an international level competition.

I want to ask this question from Class B Amplifiers topic in section Power Amplifiers of Electronic Devices & Circuits

Answer 1

Right option is (c) Complementary symmetry

To explain I would say: To avoid transformer usage in Class B amplifier, pair of transistor is connected together in complemented manner.