southwest2118

i have a wideband and it will not work at anything under 13.5 or so volts. so I'm thinking of building or buying a dc to dc converter something that will take battery voltage 12-14v and give me a constant 14v ....any body have any ideas??

http://www.rowan.sensation.net.au/el...cs/stepup.html

I'm pretty good at reading car wiring diagrams but this is another language

Reddy

Thats pretty easy to build. Its just using op amps and a capacitor. What you need:

http://www.national.com/mpf/LM/LM741.html

southwest2118

is there something similar at radio shack?

so the gain will vary if i don't use something else to limit it?