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RU1836795C
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Ac quasi-resonance converter with switching at zero voltage
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SU1690124A2
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Single-voltage dc voltage converter
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SU1607056A1
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Single-ended d.c. to d.c. voltage converter
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SU1594664A1
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D.c. to d.c. voltage converter
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SU1571732A1
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Push-pull resonance dc voltage converter
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SU1614081A1
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Single-end d.c. voltage converter
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SU1577012A1
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Single-ended dc voltage converter
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SU1509854A1
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D.c. voltage source with current and short-circuit oveoload protection
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SU1577011A1
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Single-ended dc voltage converter
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SU1513582A1
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Single-end d.c. voltage converter
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SU1517102A1
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Single-ended d.c. voltage converter with switching at zero current
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SU1457113A1
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Overload-protected stabilized voltage converter
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SU1472889A2
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Dc power supply with protection against short-circuits
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SU1328807A1
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Electric power supply system with primary supply network
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