Here's the schemo<br> <br> http://www.cgs.synth.net/modules/pic/schem_cgs48_vco.gif<br> <br> http://www.cgs.synth.net/modules/cgs48_vco.html<br> <br> I have the scope going directly to the ramp output of the VCO<br> <br> Rykhaard,<br> Yes, only the top is flat<br> <br> The scope is displaying AC. Its not a very good scope, so Im not sure how much I will be able to tell about offset.. I will poke around some more.<br> <br> Everything else works perfectly. The square out seems to be ok, too. Again, dont know about offset, but the shape is good. The osc is tuned perfectly, too.. So that part is working.<br> <br> I tested another VCO I have (a paia vco) and it is fine, so I think Im using the scope correctly.<br> <br> Thanks<br> <br> <br> <br><br><b><i>Bob Weigel <sounddoctorin@imt.net></i></b> wrote:<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5p!
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Well I'm not familiar withthe CGS circuit...but it would seem you are <br>clipping the signal somewhere. There is too much drive possibly coming <br>into an amplifier. Where is a schemo of it? -Bob<br><br>Jim Bob wrote:<br><br>> I finally got a working scope today and was checking out my VCO's. <br>> The ramp out of my CGS VCO is not right. instead of a ramp shape <br>> /|/|/|/| I get |-\|-\|-\. Sorry, thats the best I can do, but its <br>> supposed to show a wave going stright up, has a flat top, and then a <br>> down ramp. The flat top is fairly long, too.<br>> Anyone know what could be causing this?<br>><br>> Thanks<br>><br>> ------------------------------------------------------------------------<br>> Yahoo! Mail<br>> Bring photos to life! New PhotoMail <br>> <http: //pa.yahoo.com/*http://us.rd.yahoo.com/evt="39174/*http://photomail.mail.yahoo.com"> <br>> makes sharing a breeze. <br><br></http:></blockquote><br><p>
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