Type in the full discussion title or a part of it.
Discussion Title Created date
help to make amplifire for ultrasonic wave...
hello everybody :D I was made a ultrasonic generator with frequency at 40khz ,but the power in output insufficient. for that I try to design an ultrasonic amplifier with power...
Monday, 19 July 2010 - 08:50
dc to dc
Hello everybody I have a Load his VCC=5V , I=1.5A But my power supply is battery his volte=24V dc I use ka34063 dc to dc converter in step down mode, I use also External NPN...
Tuesday, 2 March 2010 - 14:12
regulation volte in tightness rang
Hello everybody I have a Load his VCC=5V But my power supply is battery his volte=6V How I can regulation this Volt (6V) to be (5V) I try to use LM7805 but he is want range up of...
Monday, 2 November 2009 - 18:41
Common anode LED Drivers
hello everyone I have problem in the size of boards the board have dot matrix led driveing by Shift register(drain -) and and transistores(source of +) i want to change the...
Monday, 26 October 2009 - 23:06
How I can to use uc3906 to battery-charger
hello everyone How I can to use uc3906 for battery-charger my battery is Panasonic Sealed Rechargeable 6v,4ah cycle use:7.25~7.45v standby use:6.8~6.9v I need Diagram of good test...
Tuesday, 4 August 2009 - 09:39