Pulse signal amplifier

Amplifiers – With semiconductor amplifying device – Including class d amplifier

Patent

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Details

307255, 330267, H03F 318, H03F 330

Patent

active

042052734

ABSTRACT:
A pulse signal amplifier includes a pair of complementary drive transistors and a pair of complementary output transistors, each being connected in an emitter-follower circuit to supply an amplified pulse signal to an inductive load. A leakage current from said inductive load is prevented from flowing to the base-emitter circuit of the output transistor by a current limiting circuit.

REFERENCES:
patent: 4021748 (1977-05-01), Yoshida et al.

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