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| Number | Title | Issue Date |
| 4598351 | Soft-start control for a push-pull converter-regulator with a flux balancing circuit A soft-start control for use with a push-pull converter-regulator having a flux balancing circuit. The push-pull converter is responsive to a pulse width modulated waveform to provide a DC output, the converter having an error amplifier for comparing the ... | 07/01/1986 |
