Amplifiers – With semiconductor amplifying device – Including class d amplifier
Patent
1979-01-26
1980-05-27
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including class d amplifier
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.
Mullins James B.
Sony Corporation
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