decifer diagram?

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blkrhyno

Copper - Posts: 71

Joined: August 16, 2008

Location: New York, United States

Posted: November 22, 2008 at 3:44 PM / IP Logged

Can someone please help me decifer the bottom half of the diagram below. I have cd40106 chips with 14 pins but I can't figure out from the diagram below which pins to connect to and where to place the diodes, caps & resistors. What is a BS170 and how do i connect it. Any healp would be greatly appreciated. Thanks.

https://images32.fotosik.pl/341/80aa5e8b95c9d145.png

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i am an idiot

Platinum - Posts: 13,670

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 22, 2008 at 5:04 PM / IP Logged

BS170 is a mosfet transistor.

http://www.nteinc.com/specs/400to499/pdf/nte490.pdf

blkrhyno

Copper - Posts: 71

Joined: August 16, 2008

Location: New York, United States

Posted: November 22, 2008 at 6:06 PM / IP Logged

Thank you, so the 1,2, & 3 on the bs170 are the pins right?

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i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 22, 2008 at 6:31 PM / IP Logged

Drain = pin 1 Gate = pin 2 Source = pin 3. The PDF I posted uses D G and S.

blkrhyno

Copper - Posts: 71

Joined: August 16, 2008

Location: New York, United States

Posted: November 22, 2008 at 7:32 PM / IP Logged

ok thank you i understan now, I'll have to order some of those, thaks again for your help

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hotwaterwizard

Silver - Posts: 1,350

Joined: December 11, 2003

Location: California, United States

Posted: November 25, 2008 at 10:11 PM / IP Logged

OK what are you trying to do with this Circuit?

The IC and Transistors are Static sensitive you must wear a wrist strap to ground while touching these components also a Grounded Soldering iron. The components will fry with static electricity. One little spark is all it would take.

Handling MOSFETs

http://www.irf.com/technical-info/appnotes/an-955.pdf

BS170 Datasheet

http://www.onsemi.com/pub_link/Collateral/BS170-D.PDF

CD40106 Datasheet

http://www.fairchildsemi.com/ds/CD/CD40106BC.pdf

The IC pins start with #1 at the Dot.

decifer diagram? -- posted image.

John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

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dualsport

Silver - Posts: 983

Joined: September 27, 2005

Location: United States

Posted: November 26, 2008 at 8:37 PM / IP Logged

That was from an old post for controlling a folding power mirror. Don't know it anything came out of it though.

blkrhyno

Copper - Posts: 71

Joined: August 16, 2008

Location: New York, United States

Posted: November 26, 2008 at 10:42 PM / IP Logged

That was from an old post for controlling a folding power mirror. Don't know it anything came out of it though.

Yes that is what I was trying to do but I wanted to do it when I turn the car off and on. Then I found your diagram and decided to try it that way because I did get any responses from my post about the power folding mirrors. Some of the things I didn't understand until "i am a idiot" cleared it up for me. Are you not sure if the diagram works?

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dualsport

Silver - Posts: 983

Joined: September 27, 2005

Location: United States

Posted: November 26, 2008 at 10:58 PM / IP Logged

It just didn't look like he tried putting it together, guess it might have been too much to attempt for someone unfamiliar with electronic bits.

It definitely needs more care than working with relays because of what Hotwaterwiz mentioned. Can't kill a relay touching them after shuffling through your living room petting your furry cat, but FETs and CMOS stuff are easily zapped when handling them unprotected. Just get your strap on and you should be fine- decifer diagram? -- posted image.

dualsport

Silver - Posts: 983

Joined: September 27, 2005

Location: United States

Posted: November 26, 2008 at 11:18 PM / IP Logged

By the way, have to say I was curious what a decifer diagram was- sounded like some roadmap for the black arts or something.

Hopefully it got deciphered okay.

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