555 multivibrator like power oscillator
This is dual 555 multivibrator like power oscillator. This is my contraption and conception but couple of decades old. It appears to have errors. It […]
Power-Electronics
LM555 Voltage Doubler
This circuit shows the voltage doubler working with a 555. LM555 has good drive 200mA, both Vcc and Gnd. 555 has the advantage of having […]
Multi Output Instrument Power Supply
Every electronic gadget primarily needs a D.C, power supply to energize it. It also forms the basic requirement for any constructional project. consequently there is […]
Connection Diagram of DC PCB SSR
This is an Application note i used to give with my ssr – app012.pdf Diagram of SSR 5000 DC 3-30 Control / 230V AC N.O. […]
LM317 based Regulated Power Supply
This is a Regulated Power Supply based on the LM317 IC. It will need a Boost Power Transistor and heatsink for higher currents. It is […]
Perpetual Candle – White LED Lamp on Ni-Cd
This is a easy to build LED lamp circuit for Learning and building skills. This is the first draft schematic V 1.0. It will need […]
Dual Polarity Power Supply
This supply gives both positive and negative outputs. Appropriate Fuses should be used to protect from fire hazard and overload of transformer. Voltage Regulators LM7812 […]
Diode Reverse Bias Leakage Tester
This is a Test arrangement for Leakage Testing of Diodes on Reverse Bias. The leakage current indicates the ability of the diode to withstand higher […]