what ic i could use instead of reg1117a

[Georgi]

what ic i could use instead of reg1117a -Carl's pi metaldetector?

[Unregistered]

reg 1117

what ic i could use instead of reg1117a -Carl's pi metaldetector?

Use an ordinary Lm2940ct-5 ( yes 5 volt!) but put a 5,6 v zener in the commen lead of the LDO. The current through this lead wil bias the zener. You wil get a nice 10.6 volt with a input voltage difference of only .2 volt. Use a capacitor of 22 uf at its output. Be aware that the leads of both divices are numbered differently!!
rergards; Lki

[gef12]

reg1117

You can use an LT1054... just plugs straight in no mods or anything.
cheers
gef

[Ray-NM]

The lt1054 is nice because you can use it up to 15vdc.
RayNM

[gef12]

Yes thats true.. I have used it a few times in different circuits and no problems with it.
cheers
gef

[joecoin]

what ic i could use instead of reg1117a -Carl's pi metaldetector?

Are you talking about the Hammer Head? I don't see a reg1117a in the Hammer Head?

[porkluvr]

Gary's Twin Coil

Are you talking about the Hammer Head? I don't see a reg1117a in the Hammer Head?

REG1117A is used in "Gary's Twin Coil PI" (also called Pulse-2).

[joecoin]

Thank you.