| 摘要 |
AN OSCILLATOR (6) INCLUDES A CONVERTER (IC11), AN OSCILLATION TRANSISTOR (Q2), A RESISTOR (R3), A CAPACITOR (5) AND A PRIMARY COIL OF A TRANSFORMER (T1), AND A RECTIFIER (8) INCLUDES A SECONDARY COIL OF THE TRANSFORMER (T1), RESISTORS (CR1, R2), CAPACITORS (3,4), AND A RECTIFYING TRANSISTOR (Q1). CONTROL OF THE CONVERTER (IC11) IS CARRIED OUT BY THE CONFIGURATION OF A CAPACITOR (2), RESISTORS (R5) AND A TRANSISTOR (Q3). A RIPPLE FILTER (10) INCLUDES A CHOKE COIL (L1) AND RIPPLE CAPACITORS (C6, C7), AND A CONVERTER ACTIVATION PART COMPRISES A SWITCH (81-2) INTERLOCKED WITH A POWER SUPPLY SWITCH (81-1) AND AN ACTIVATION DIODE (D1). A RIPPLE CAPACITOR IS ALSO PROVIDED ON THE PRIMARY SIDE OF THE CONVERTER (IC11). THE BATTERY (4) IS DIRECTLY COUPLED TO THE PRIMARY SIDE OF THE TRANSFORMER (T1) .(FIGURE 4)
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