Amplifiers – Modulator-demodulator-type amplifier
Patent
1989-07-14
1990-11-06
Mullins, James B.
Amplifiers
Modulator-demodulator-type amplifier
H03F 338
Patent
active
049689487
ABSTRACT:
A balanced transformer-less pulse width modulation amplifier circuit has two filter coils wound on the same core with the same polarity relative to the output. The arrangement reduces the possibility of magnetic saturation of the core and permits the cutoff frequency to be within the audio range.
Hasegawa Tatsuzo
Kato Masayuki
Sato Takeshi
Tokumo Akio
Mullins James B.
Pioneer Electronic Corporation
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