发明名称 |
Circuit arrangement for equalizing waveforms of push-pull power supply |
摘要 |
Two power transistors operating in push-pull, connected in series with respective halves of a transformer primary across a d-c source, are alternately rendered conductive by driving pulses generated during fractions of corresponding half-cycles of a square-wave oscillator. Two integrating networks, connected across these primary halves or across resistors in series therewith, work into a comparator whose output signal, reflecting a dissymmetry between the transistor currents, unbalances the square-wave oscillator to vary the relative width of the two sets of driving pulses until the dissymmetry substantially disappears.
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申请公布号 |
US4351020(A) |
申请公布日期 |
1982.09.21 |
申请号 |
US19810247643 |
申请日期 |
1981.03.26 |
申请人 |
ITALTEL SOCIETA ITALIANA TELECOMUNICAZIONI S.P.A. |
发明人 |
LETI, ANDREA;VALACCA, ENRICO |
分类号 |
H02M3/338;H02M7/538;(IPC1-7):H02P13/20 |
主分类号 |
H02M3/338 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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