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Link to Walt's Multiloop Artical
PPL thanks for posting this. Do you know how I can read ref 3 at the bottom of the artical? I replied to your hot mail address regarding the email you sent me. Thanks for all the interesting and informative posts.- zapel
- Post #4
- Forum: DIY (Do-It-Yourself) Discussions
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Schematic Of my Old Portable Headphone Amp
I would really like to see these designs but my computer tries to convert the downloads to ms word format, how can I get around this and view the circuits. Thanks- zapel
- Post #3
- Forum: DIY (Do-It-Yourself) Discussions
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The PPL08AC Project
Hi Apheared thanks for the link to see the schematic but I can't see it, my stupid computer tries to convert things to m/sft word. Is there another way I can view it? What value is the vol pot? Do you ever have problems with instability on your layouts? and finally as the EL2001 has a large...- zapel
- Post #15
- Forum: DIY (Do-It-Yourself) Discussions
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The PPL08AC Project
Hi Apheared where is the circuit for this amp? I would like to have a look at it. Thanks- zapel
- Post #7
- Forum: DIY (Do-It-Yourself) Discussions
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A learning curve but need help
I needed a preamp as well as a headphone driver so decided to build Cory Greenburg's Buffer using the Buf04. I have re built it now 5 times but it still suffers from instability and oscillates when the vol pot is advanced a little. I have been very careful with layout and tried varoius ways of...- zapel
- Thread
- Replies: 2
- Forum: DIY (Do-It-Yourself) Discussions
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great search for datasheets
Great link Mike, nice to see you back.- zapel
- Post #2
- Forum: DIY (Do-It-Yourself) Discussions
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Capacitor types
Info on capacitor types for those interested. http://www.analog.com/publications/m...ersary/21.html- zapel
- Thread
- Replies: 0
- Forum: DIY (Do-It-Yourself) Discussions
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the cmoy slayer - the AD823
ppl, I don't think the BUF03 is available any more. They have the BUF04, is this exactly the same as the BUF03? Can you elaborate a little more on the npn output.- zapel
- Post #16
- Forum: DIY (Do-It-Yourself) Discussions
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AD797
Apheared, Thanks for your efforts and information on the 797. I'm just making your little amp with the dual opa's and have a pair of SR60's on the way. z- zapel
- Post #5
- Forum: DIY (Do-It-Yourself) Discussions
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AD797
Apheard, have you had a play with the AD797 for any of your projects? how does it stack up. Thanks- zapel
- Thread
- Replies: 4
- Forum: DIY (Do-It-Yourself) Discussions
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Calling all dinosaurs
Fellow Dinosaurs, just picked up a couple of bargains at the cd shop. Anyone remember Peter Green, the British blues/rock man and founding member of Fleetwood Mac. He has been a recluse for many years but his music lives on. Peter Green Songbook, Seagull 111101-SG, a great double CD of his work... -
UK Suppiers of Opamps
You should find what you want at RS Components (Radiospares) or Farnell, Maplin, Circuit. Try these for starters.- zapel
- Post #2
- Forum: DIY (Do-It-Yourself) Discussions
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I give up!!! how do you solder??!
The best iron to use is a variable tempreture soldering iron. You get to know at what temp it is best to use it at, not too hot, just so it melts the solder and a bit more. You can use it a lot hotter when unsoldereing hard to get apart joints. When it is sitting idle you can turn it right down...- zapel
- Post #12
- Forum: DIY (Do-It-Yourself) Discussions