Saturday, June 4, 2011

CrazyEngineers Forum - Electrical & Electronics Engineering

CrazyEngineers Forum - Electrical & Electronics Engineering

MOSFET/Solid state relay connection to drive high current solenoid.

Posted: 03 Jun 2011 08:41 PM PDT

Hi CEngz,
Facing a new challenge in making "Electronic Fuel Injection System". Using a PWM circuit, we generate a square wave form signal (5V peak to peak). This output signal is fed to MOSFET/Solid State Relays (for switching ON/OFF) to drive a solenoid operating at high current (20A) & High voltage (24V) from 2 car batteries connected in series. The ON/OFF takes place @ the rate on 25 times per second. Can anyone suggest a part/item or a complete circuit diagram along with the connections for the above requirement. The PWM circuit can be seen at "http://www.dprg.org/tutorials/2005-11a/index.html"
Any help would be appreciated.
Thank You.

how to fix components on a circuit board??

Posted: 03 Jun 2011 10:26 AM PDT

hello
i have a mini
project to be done and i have the circuit diagram and its working..after having all the components...can anyone tell me what is the basic idea of fixing the components on to a circuit board and how.. i am completely new to such kind of projects....plzzz can anyone help me!!??
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