Soldering temp
2009-03-02 by Paul Schreiber
... 700F. Paul S.
Messages
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Re: [motm] Can static electricity damage components?
2009-03-02 by Argitoth
Thanks for your input, Paul! What tempurature should I set my beautiful $130 digital-readout weller soldering iron at?
Re: [motm] Is 22gage stranded wire acceptable?
2009-03-02 by Argitoth
The wire I found, the Consolidated Wire has a homepage: http://conwire.thomasnet.com/category/hook-up-wire Apparently they have all kinds of wire in all
Re: [motm] Can static electricity damage components?
2009-03-01 by Paul Schreiber
... No, that part of the video was BS :) You *do* need a good pair of *SHARP* cutters. There are 2 schools here. #1: the cheap, but buy a new pair every 6
Re: [motm] Can static electricity damage components?
2009-03-01 by Argitoth
Cutting a lead can loosen a well-soldered component?
Re: [motm] Try EBay for wire
2009-03-01 by Paul Schreiber
... Mom? Paul S.
Re: [motm] Try EBay for wire
2009-03-01 by Suit & Tie Guy
... yes. i m sure most of it is a good idea. however, stay away from Emtel Electronics or ASAPWire. they run (or ran) a lot of wire auctions. i bought 3 1000
RE: [motm] Try EBay for wire
2009-03-01 by John L Rice
Thanks Richard. An Ebay search on RG-176U didn t return any hits but the following did: RG-17* coax* John L Rice ... From: motm@yahoogroups.com
Try EBay for wire
2009-03-01 by Richard Brewster
I ve found good wire on EBay at reasonable prices. EBay sellers often have wire in smaller rolls. I got some high-quality military surplus RG-176U coax and
Re: [motm] Can static electricity damage components?
2009-03-01 by Richard Brewster
I ve heard the term crimping used to describe what I do, but I understand your meaning. I do fold the leads 90 degrees to lie flat on the board and then cut
RE: [motm] Is 22gage stranded wire acceptable?
2009-03-01 by John L Rice
I m not sure about that particular brand, it could be fine . . or not. I read some negative reviews of Radio Shack wire that the insulation melted at lower
Re: [motm] Can static electricity damage components?
2009-03-01 by Graham Atkins
Richard, ... Crimping means forming the leads in some way. Some radial capacitors for example have the leads cut short and formed with a small wave which
Re: [motm] Re: Watch transistor pinouts!
2009-03-01 by Argitoth
I found errors in my 310 BOM. Some of the resistors were not 1% metal film and I just didn t notice the 291 in place of the 271. Also, the LT1013 dual op amp
Re: [motm] Is 22gage stranded wire acceptable?
2009-03-01 by Argitoth
I found some wire for less than $6.00. Why is all the wire over $25 at mouser.com? Does this $6.00 wire suck or something? Or is it good for MOTM projects?
Re: [motm] Can static electricity damage components?
2009-03-01 by Argitoth
Thanks for all the tips, this is invaluable information.
Re: [motm] Non-Bug MOTM-730 Demo
2009-03-01 by Scott Juskiw
That s one of the best videos I ve seen demonstrating how to actually PLAY a Minimoog. Good use of the pitch and mod wheels. You sure you re name isn t
Re: [motm] Can static electricity damage components?
2009-03-01 by Richard Brewster
All in all that video is pretty good. Nice pictures of bad solder joints! He is right about cutting the leads off before soldering. I always press leads all
Non-Bug MOTM-730 Demo
2009-03-01 by rogerpellegrini
I thought it might be interesting to post a 100% insect-free demo of the MOTM-730 Pulse Divider. This Robotmakers clip is about 40% demo and 60% gratuitous,
Re: [motm] Can static electricity damage components?
2009-03-01 by loopcycle
not very often. but yes, particularly with polystyrene capacitors (they look like little plastic see-through cylinders and are very easy to destroy quickly).
Re: [motm] Can static electricity damage components?
2009-03-01 by Argitoth
One other question, do I need to worry about heat damaging components that I need a heat sink of some kind? ... -- www.elanhickler.com
Re: [motm] Can static electricity damage components?
2009-03-01 by Argitoth
If you cut the lead before you solder, how can the component stay in place? ... -- www.elanhickler.com
RE: [motm] Can static electricity damage components?
2009-03-01 by John L Rice
Make sure you watch this soldering video, it is really well done! http://www.youtube.com/watch?v=I_NU2ruzyc4 John L Rice ... From: motm@yahoogroups.com
Re: [motm] Can static electricity damage components?
2009-03-01 by Argitoth
thanks, I ll watch the soldering videos too. ... -- www.elanhickler.com
RE: [motm] Can static electricity damage components?
2009-03-01 by John L Rice
Semiconductors mostly. (chips and transistors etc.) Some are more sensitive than others but just use common sense and you should be fine. Lots of info on the
Can static electricity damage components?
2009-03-01 by Argitoth
When I m doing my first DIY project, what kind of parts are sensitive to static electricity? -- www.elanhickler.com
for sale: Magic Smoke 566 VCO MOTM Format
2009-03-01 by babysealclub
If anyone is interested please contact me off list. Thanks, Todd babysealclub@yahoo.com
JH-5 Living VCOs project progress
2009-02-28 by JH.
Here s a little preview of what I m working on. Looks like I can indeed put 3 VCOs plus an Oscillator Driver on a single board! This may get very close to the
Re: [motm] What is Unity Gain?
2009-02-28 by Richard Brewster
Mixing signals in a multiple was, I believe, one of Bernie Hutchins s reasons for putting a 1K series resistor on all outputs. Paul makes a good point that
Re: Watch transistor pinouts!
2009-02-28 by patchdub1972
great!! thank you very much!! very much appreciated ... files.
Re: [motm] Re: Watch transistor pinouts!
2009-02-28 by Argitoth
Hey Patchdub! Will Bill and Elan to the RESCUE!!!!! I ll attach the files. MOTM300BOM.xls - Will/Bill style BOM, very detailed MOTM310BOM.xls - Will/Bill style
Quick update
2009-02-28 by Paul Schreiber
Saturday I am going to reconcile the backlog, meaning I am going to verify what is on the books . So, some folks will be getting calls/emails from me asking
Re: Watch transistor pinouts!
2009-02-28 by patchdub1972
thanks paul! any chance someone has mouser#s for the 300 and 310 that they could post? for me, getting the right parts from mouser has been the biggest
Re: [motm] Re: Watch transistor pinouts!
2009-02-28 by Paul Schreiber
Get this one: 512-2N3904TF Paul S. ... From: patchdub1972 To: Sent: Friday, February 27, 2009 8:53 PM Subject:
Re: Watch transistor pinouts!
2009-02-28 by patchdub1972
i am just about to build a 300 and a 310 and i want to be sure to get the right parts... for the 2n3904 is the mouser #512-2N3904CTA? also anyone have the
Re: [motm] Is 22gage stranded wire acceptable?
2009-02-28 by Paul Schreiber
MOTM kits use 22ga wire. Be careful with the RS wire: make sure it is *tinned*, stranded wire (is silver in color). Do NOT use untinned wire, that is *very
Is 22gage stranded wire acceptable?
2009-02-28 by Argitoth
Hey, I found 22gage stranded wire at radioshack. Is this acceptable if I run out of Paul s wire? Or should I seriously look for 24 gage? -- www.elanhickler.com
Re: [motm] Watch transistor pinouts!
2009-02-27 by Jason Proctor
fwiw, mouser lists 2n3904s with two different pinout configurations - the 2N3904CTA variant has the collector on the middle pin.
Re: [motm] Watch transistor pinouts!
2009-02-27 by Paul Schreiber
*I* did not buy them, the customer used the dreaded surplus store in Silicon Valley. Paul S. /now understands today s meaning of surplus ... From: John
Re: [motm] Watch transistor pinouts!
2009-02-27 by John Blacet
--Where did you buy these? I ve never heard of this problem: same PN and package having different pinouts! That s just WRONG! ... -- John Blacet
Re: [motm] Watch transistor pinouts!
2009-02-27 by Graham Atkins
Hi Paul, Is it possible these are counterfeit / reject transistors that have been badged as 2N3904.....Seems highly unlikely there are 2 versions with
Re: [motm] What is Unity Gain?
2009-02-27 by Paul Schreiber
... a) Unity gain means a gain of 1 (unity) or no *overall* gain. Now, in electronics the term is *context sensitive*. - a unity gain mixer means if I add 4
Re: [motm] What is Unity Gain?
2009-02-27 by John Mahoney
... Just about. I have read that it s usually okay to mix gate/trigger signals together -- maybe bus them together is a better term -- but that s the only
Re: [motm] What is Unity Gain?
2009-02-27 by Suit & Tie Guy
... is that a hard-and-fast rule, though? i thought MOTM modules were pretty ironclad ... could you use an MOTM multiple as a mixer? ... Suit & Tie Guy
What is Unity Gain?
2009-02-27 by Argitoth
Hey, noobie here. I m wondering what unity gain is. I thought it meant that when two or more signals are mixed together, unity gain will stop signals from
Watch transistor pinouts!
2009-02-27 by Paul Schreiber
I had a *long* debugging session with a customer building a MOTM-300 VCO from parts. Was dead in the water (no outputs). He had previously replaced *all* op
Re: [motm] What is all this 2.0 stuff??
2009-02-27 by Argitoth
Oh man I am really sorry for sending like 100 e-mails to MOTM at once, but ok, I searched for those parts at Digikey and didn t find them because they are not
Re: [motm] What is all this 2.0 stuff??
2009-02-27 by Argitoth
Hey John and Bill, I just got a message from Paul!
Re: [motm] What is all this 2.0 stuff??
2009-02-27 by Argitoth
Thank you John L Rice! It s out of stock, but I mean, basically the thing that matters is the tolerance and voltage. If I know that, won t any polyester film
RE: [motm] What is all this 2.0 stuff??
2009-02-27 by John L Rice
Give this one a look, I think it may be correct probably possibly! ;-) http://www.mouser.com/Search/ProductDetail.aspx?qs=sGAEpiMZZMtOnGahBoN8MEHQe
Re: [motm] What is all this 2.0 stuff??
2009-02-27 by Argitoth
Bill, you are always telling me about you, Will, and your life... I feel like I m reading your diary, it s cool. Could someone PLEASE give me part numbers for