The transistor Q1 and Q2 (D1616) essentially drives the primary of the transformer.The diodes rectifies the output of transformer to obtain a 24V DC at the output load(here a fan).The capacitors filter away noise and harmonics away from the output.
Voltage Booster Circuit Diagram:
Notes:
- The component values are not very specific here.We can use any NPN power transistors like D1616,2N 3055,C2236,SL 100 etc for Q1 and Q2.
- The transformer can be any center tapped 5A transformer with a 7:1 winding ratio.
- The diodes can be 1N 914 ones.
- In fact you can easily assemble the circuit from the components in your electronics junk box.
- By experimenting on the tranformer winding you can get different boost ratios.
- For high current (around 5A) games use 2N 3055 transistor or more powerful Darlington pairs for Q1 and Q2.
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