Hello, I am attempting to identify and replace a cap. The cap is marked fron top to bottom as follows: 10 50 N750 I have been told this means: 10v 50pf N750...
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Matthew Kemmerer
mattsoftnet
Jun 5, 2002 5:22 pm
the cap could be bad, and giving a false readout ... From: "ethanzer0" <ethanzer0@...> To: <Electronics_101@yahoogroups.com> Sent: Wednesday, June 05,...
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manifold_1
Jun 5, 2002 6:40 pm
The numbers do not quite make sense. This is not a standard part if the numbers are correct. You will be hard pressed to find a capacitor that is 50pf at...
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ethanzer0
Jun 5, 2002 6:57 pm
I agree that the interpretation of 10v 50pf could be incorrect. ... It looks like a basic orange ceramic disc cap. ... The cap is from an Arp 2600 (vintage ...
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jdb000001
Jun 5, 2002 8:05 pm
Hi, I found the following webpage that has schematics for the ARP submodules. http://www.netcontrol.fi/~jocke/arptech/modmain.htm The 4012 VCF does have 50pf...
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Robert Graf
rgraf.geo
Jun 5, 2002 8:27 pm
... From: "ethanzer0" <ethanzer0@...> To: <Electronics_101@yahoogroups.com> Sent: Wednesday, June 05, 2002 1:02 PM Subject: [Electronics_101] Replacing a...
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Bruce Layne
yayhoosux21
Jun 5, 2002 11:14 pm
First, let me say that Digi-Key is my favorite place to buy electronic components. I've always considered their customer service to be the best in the...
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ethanzer0
Jun 6, 2002 3:09 am
... Thanks for the link! I actually have the 4072 filter which is a later model and designed as the 4012 was patent infringement on the moog ladder filter....
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manifold_1
Jun 6, 2002 4:29 am
A 50uf capacitor will be an electrolytic capacitor. If the one you removed is ceramic, then you still need to determine the value. I agree that 10pf 50V is the...
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Robert Graf
rgraf.geo
Jun 6, 2002 4:31 am
... From: "ethanzer0" <ethanzer0@...> To: <Electronics_101@yahoogroups.com> Sent: Wednesday, June 05, 2002 11:09 PM Subject: [Electronics_101] Re:...
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manifold_1
Jun 6, 2002 4:31 am
I received a call from Chuck, Digi-Key's director of ... get ... was snip------------------------ Thanks for the posting. I always wondered how U-Line would...
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Robert Graf
rgraf.geo
Jun 6, 2002 4:39 am
... From: "manifold_1" <manifold_1@...> To: <Electronics_101@yahoogroups.com> Sent: Thursday, June 06, 2002 12:29 AM Subject: [Electronics_101] Re:...
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jdb000001
Jun 6, 2002 6:25 am
... If your parts list is for the ARP 2600, and not just this module, it is probably refering to a capacitor somewhere else in the unit. The VCF board may...
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Robert Graf
rgraf.geo
Jun 6, 2002 7:17 am
... From: "jdb000001" <jdb000001@...> To: <Electronics_101@yahoogroups.com> Sent: Thursday, June 06, 2002 2:25 AM Subject: [Electronics_101] Re:...
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brianjhoskins
Jun 6, 2002 8:38 am
Can I ask, are you sure the unit is completely dead? Or is it that you just don't hear any output? Does it power up at all? Is there any other signs of...
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ethanzer0
Jun 6, 2002 12:38 pm
I appreciate all of the feedback and I am going to attempt to address all of your questions in this message. I have uploaded an image of the VCF borad and...
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theshadow2754
Jun 6, 2002 12:43 pm
I tryed to post this message by email twice and it hasent gone thrugh. Lets see if this works: I started a project a few days ago and now I need some help to...
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sunil_phd
Jun 6, 2002 2:37 pm
Hi!, I have tried to build remote control using DTMF as shown in circuit on the web http://www.electronic-circuits- ...
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Steve Greenfield
alienrelics
Jun 6, 2002 6:24 pm
It could also mean 10pf, 50V, N750 temp coefficient. 50V is a common rating in capacitors. Is this a ceramic? Or what kind of capacitor is it? If the cap is...
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manifold_1
Jun 6, 2002 6:47 pm
... I have added DTMF circuits to AMPs modem designs. It is not too hard and you seem to have a good start and are doing the right things. ... HT9170 ... the ...
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ethanzer0
Jun 6, 2002 7:28 pm
... based on color and shape, I'd say it is ceramic disc. ... The orange coating is peeling away from the legs and it is puffed out more than most ceramic disc...
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CTC
dccrimson
Jun 6, 2002 8:21 pm
My experience is that series parallel wiring isn't the best idea. First, it can, in some instances (and I haven't the faintest idea why) cause a reduction in...
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Robert Graf
rgraf.geo
Jun 6, 2002 8:28 pm
... From: "ethanzer0" <ethanzer0@...> To: <Electronics_101@yahoogroups.com> Sent: Thursday, June 06, 2002 3:28 PM Subject: [Electronics_101] Re:...
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manifold_1
Jun 6, 2002 9:54 pm
Yes, that one is ceramic. The picture is great! You really know how to ask the right questions and respond with good info! I don't think the cap is bad, it...
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ethanzer0
Jun 6, 2002 10:19 pm
... When it worked it did everything it is was supposed to. I could sweep the cutoff frequency and raise the resonance (Q) until it broke into oscillation and...
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ethanzer0
Jun 6, 2002 10:39 pm
... Thanks! I always figure learning is a two-way street. ... The VCF did work just fine and I used it from september when I purchased it until november of...
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J. Dilles
theshadow2754
Jun 7, 2002 12:42 am
Thank you for your advice. I found the formula for calculating parallel resistance, and if I wire my four 8 ohm speakers together in parallel, that brings it...
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ethanzer0
Jun 7, 2002 1:27 am
... This is the promised photo of the 4072 submodule http://groups.yahoo.com/group/Electronics_101/files/Arp_4072_submodule .JPG I understand I might be ...
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Robert Graf
rgraf.geo
Jun 7, 2002 1:31 am
... From: "theshadow2754" <theshadow2754@...> To: <Electronics_101@yahoogroups.com> Sent: Thursday, June 06, 2002 8:43 AM Subject: [Electronics_101]...
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jdb000001
Jun 7, 2002 1:57 am
Some things you might want to check on the 4072 submodule: (The component designation refer to the 4072 schematic) Do you have the +15v and -14v supplies?...
