H - Electricity – 03 – F
Patent
H - Electricity
03
F
330/11
H03F 3/387 (2006.01) H03F 1/32 (2006.01) H03F 3/217 (2006.01) H03K 7/08 (2006.01)
Patent
CA 1115360
ABSTRACT OF THE DISCLOSURE A PWM (pulse width modulated) signal power amplifier includes an input terminal supplied with a PWM signal directly, an integrator, a zero-cross switch and a pulse amplifier. A negative feedback circuit is provided between the input of the integrator and the output of the pulse signal amplifier so as to provide a low dis- tortion in spite of the voltage fluctuations in the operating voltage to the pulse amplifier.
327978
Suzuki Tadao
Yoshida Tadao
Gowling Lafleur Henderson Llp
Sony Corporation
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