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Here's Guinevere [message #30059] Wed, 29 December 2004 08:03 Go to next message
PakProtector is currently offline  PakProtector
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Illuminati (2nd Degree)

here is the link in copy and paste format. and hotlinked below:

http://gallery.AudioAsylum.com//cgi/gi.mpl?u=12633&f=GuinevereLS.jpg

regards,
Douglas

Here's Guinevere [message #30060 is a reply to message #30059] Wed, 29 December 2004 08:23 Go to previous messageGo to next message
PakProtector is currently offline  PakProtector
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HEy-Hey!!!,
Seems to have lost some detail, I will get a better image up soon.
regards,
Douglas

Re: Here's Guinevere [message #30061 is a reply to message #30060] Wed, 29 December 2004 08:49 Go to previous messageGo to next message
Manualblock is currently offline  Manualblock
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Very nice work T; how does it sound?

Re: Here's Guinevere [message #30062 is a reply to message #30061] Wed, 29 December 2004 11:02 Go to previous messageGo to next message
PakProtector is currently offline  PakProtector
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It should sound quite good, haven't listened to a single MOSFET CCS in a while, but it isn't anything like bad. Here is a better pic.
regards,
Douglas

....damned Thrintun!

Re: Here's Guinevere [message #30063 is a reply to message #30062] Wed, 29 December 2004 11:42 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
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Cool!

Looks like it will be a lot of fun!

Re: Here's Guinevere [message #30064 is a reply to message #30062] Wed, 29 December 2004 12:33 Go to previous messageGo to next message
Manualblock is currently offline  Manualblock
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Say T is R3 the cathode resistor?

Re: Here's Guinevere [message #30065 is a reply to message #30062] Wed, 29 December 2004 12:34 Go to previous messageGo to next message
Damir is currently offline  Damir
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Hey, Doug, now we finally have something to talk about:-).
Is this LED cathode bias? If yes, then you draw it wrong way. Is the tube 5687? Than we`ll probably need two in series, the voltage drop across one cheap red LED is about 1,7V...

Excellent!!! [message #30066 is a reply to message #30062] Wed, 29 December 2004 13:40 Go to previous messageGo to next message
colinhester is currently offline  colinhester
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Buy that man a beer. Thanks for taking the time to draw this for us. I cannot tell you how excited I am to start the discussions and build.....Colin

Re: Here's Guinevere/BOM [message #30067 is a reply to message #30059] Wed, 29 December 2004 13:43 Go to previous messageGo to next message
Manualblock is currently offline  Manualblock
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Is there a bill of materials available for printing?

Re: Here's Guinevere [message #30068 is a reply to message #30065] Wed, 29 December 2004 15:10 Go to previous messageGo to previous message
PakProtector is currently offline  PakProtector
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That's an LED. If I didn't have a string of them to look at every time I build another, I would have to go and look it up somewhere else.

It is for a 5687 and two would probably be best. The pot for setting the current of the CCS ought to be a 500R or 1k multi-turn unit. Set it for 15 mA per channel. A 9V, some clip leads, and a DMM with current measuring capability is allthat is required for that. rig a single series circuit with the DMM, 9V and CCS, and twist the screw until you get the required current.
regards,
Douglas

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