Neon-light electronic transformer
A technology for electronic transformers and neon lights, applied in transformers, inductors, circuits, etc., can solve the problems of protection failure, troubled neon lights, and easy protection by mistake, and achieve the effect of improving operation stability, simplifying circuit structure, and eliminating potential safety hazards.
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[0012] Refer to figure 1 , figure 2 As shown, the neon lamp electronic transformer of the present invention includes a power input circuit 1, a self-excited oscillation circuit 2, and an output coil L4. The self-excited oscillation circuit 2 includes bias resistors R2, R2', feedback coils L1, L2, secondary coils L3, Capacitors C1, C1' and current-limiting resistors R1, R1', feedback coils L1, L2, secondary coil L3, output coil L4 are wound on the same magnetic core, feedback coils L1, L2 have 2 to 4 turns optional, secondary The level coil L3 is optional between 90 and 100 turns; one end of the bias resistor R2 and R2' is connected to the collector of the two transistors T1 and T2, and the other end is connected to the feedback capacitor C1 and the coil L1, the capacitor C1' and the feedback coil L2. The formed series circuit is connected in parallel to the bases of the transistors T1 and T2. The current-limiting resistors R1 and R1' are respectively connected in series between the
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