CFL Lamps and Simple Inverter
Kindly help me make one issue devoted to—— CFL Ballast Circuits—-viz. circuits to drive a 5/7/9 / 11W….upto 18 watts CFL from a 6 volts / 12v DC battery, or Solar Panel,(or 220 volts...
Author: delabs
Binary ASK modem – Power line Modem
Want hlp in dsigning of a binary ASK modem or Power Line Modem. I have a project of designing a binary ASK modem, with a microphone as an input and a speaker as an...
Isolated dual power supply from 5V
This is a unregulated supply for low power circuits. You may be able to regulate the outputs with zeners or small regulators like 78L05. The transformer can be hand wound in a mini ferrite...
RS232 with Opto-Isolation
I had to once interface an high voltage circuit to PC, The uC had to communicate thru RS232–Comm port–Serial Port. Part of the 80C31 8051 SBC Even though i had isolation at the sensors...
Three Opamp Differential Instrumentation
This is the best Instrumentation OpAmp, Great CMRR, ensure supply has no ripple and keep analog and digital grounds separate. Ri can be replaced with a trimpot and resistor to alter gain. Connect a...
Ultra Sound Sender Detecter Diagram
I am a University Physics technical staff member and I am searching a Diagram and full detals about Ultra sound detecter (Sender & receiver & Detecter). It must be arround (Detecting range ) 1.2...
Logic Analyzer on Computer
Title: Test circuit for Logic Analyzer – Message: I am a retired hobbyist. Source files needed.The following was submitted on March 8th, 2008 at 06:47AM (CST). Subject: delabs Schematic Source Request. Circuit: del20006.pdf ....
Understanding Transistor Power Dissipation
I like your page about current source circuit basic design. However, I still have Little confuse of the power dissipation calculation. The max power dissipation of my circuit is 20.5V x 0.5A = 10.25W,...
