Digital Programmable Gain Amplifier
I read your post which is about, Digital gain control of Op-amp. I have some questions to ask, if possible. Please reply (more…)
Tagged: Circuit-Design
Single Polarity Power Supply
This circuit uses a PNP Power Transistor TIP2955, you can use any other according to your current and voltage requirement. Look at (more…)
Isolated Full-duplex Serial Interface
I would like to build Optoisolated RS232 interface. I’vesearched a little bit, and I came across your design: (more…)
Level Meter Circuits SPM-3 WG
Here are three circuits from the manual. The design is entirely on discrete devices like transistors, diodes and zeners. Studying these designs (more…)
Single Digit Voltmeter with LM311
I wanted to design a logic probe as a tutorial, but there were many good ones in the web so i have (more…)
Electrical Symbols that you should Know
Found these in openclipart and wikipedia, A collection of basic electrical symbols you ought to know. You could use these symbols to (more…)
