Switching Battery Charger with L296
This is a a circuit from my Power Supplies Section. There may be some documentation errors in my circuits. If you are used to building […]
Power-Electronics
WorkBench Dual Power Supply
I will just explain part of this circuit. D9 and D10 provide a low cost -1.4 from -5 V. This is needed to reach near […]
100kHz Half Bridge Convertor – SG3525
This is a SMPS Circuit improved over the Application Note in the book SGS Motion Control Application Manual. This worked well. It helps you learn […]
Battery Boost Circuits
(This is a thread of my messenger many years ago – you will be able to notice text communication is quite difficult. sometimes even verbal […]
Power Supply with Battery Backup
This is an incomplete version of the power supply used for the Alertness Monitor with hourly LED Display. This circuit used a Dual Color LED. […]
Voltage Doubler with Diodes
This is a Simple Voltage Doubler to boost 3V battery voltage to power some low-power 5V circuits. In needs a Clock input with high fan-out. […]
What is a Relay – Jim Asks
A text chat in long ago from my email records – 2007) Jim: hello, delabs: hello Jim: i have a Small problem,it’s about relays.me: would […]
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 […]