tag:blogger.com,1999:blog-6847048658257278783.post1825972643704254458..comments2024-03-29T01:36:12.851+00:00Comments on Guitar FX Layouts: NE555 Voltage InverterIvIarkhttp://www.blogger.com/profile/08416945174853142251noreply@blogger.comBlogger25125tag:blogger.com,1999:blog-6847048658257278783.post-76203772876073083612023-03-15T10:08:55.345+00:002023-03-15T10:08:55.345+00:00My quick guess is that you used 1N400X instead of ...My quick guess is that you used 1N400X instead of Schottky diodes. Schottky diodes have a lower forward voltage drop which means that you will lose less voltage along the way.kghttps://www.blogger.com/profile/03373734633803190730noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-38173164635030562872018-10-31T22:41:57.765+00:002018-10-31T22:41:57.765+00:00I built this but getting -3.9V - any ideas?
Thank...I built this but getting -3.9V - any ideas? <br />Thanks!/Christianhttps://www.blogger.com/profile/04414643921599974667noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-48556171390972302822017-02-17T11:59:42.712+00:002017-02-17T11:59:42.712+00:00Works fine on my positive ground Parapedal!Works fine on my positive ground Parapedal!JimSalabimhttps://www.blogger.com/profile/14526927743273280454noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-50969333043651720392014-06-11T17:55:09.024+01:002014-06-11T17:55:09.024+01:00Hi Sebastian, i found this in the web:
"Use ...Hi Sebastian, i found this in the web: <br />"Use a standard (bipolar) NE555 timer - not a CMOS type. CMOS timers do not have the switching abilities of the bipolar types, and output voltage will be lower."<br /><br />http://sound.westhost.com/project95.htmNjokkihttps://www.blogger.com/profile/12608325505627647877noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-16990044431740128802014-05-18T17:33:35.502+01:002014-05-18T17:33:35.502+01:00Hi guys! Does anybody know if I could use this com...Hi guys! Does anybody know if I could use this component instead of the ne555? Thank you in advance!<br />http://www.mammothelectronics.com/LMC555CN-CMOS-Timer-p/400-1080.htmSebastian Mann Anderssonhttps://www.blogger.com/profile/02429206295873833242noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-26619010602379889572014-03-25T15:26:03.676+00:002014-03-25T15:26:03.676+00:00+1 on this question... But refering to the input/o...+1 on this question... But refering to the input/output jacks grounding. Should I use a specific side of the ground ... or ground is "ground" no matter what?Anonymoushttps://www.blogger.com/profile/04188636303750683037noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-13527225448272275882014-03-19T14:13:43.439+00:002014-03-19T14:13:43.439+00:00About the offboard wiring, must we assume just to ...About the offboard wiring, must we assume just to invert the led position?borattohttps://www.blogger.com/profile/00102211964316265559noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-22587552293267033832013-12-05T17:08:21.347+00:002013-12-05T17:08:21.347+00:00Around 20kHz.
http://www.circuitsonline.net/schake...Around 20kHz.<br />http://www.circuitsonline.net/schakelingen/139/voedingen/negatieve-spanning-met-ne555.html<br />+mmirosolhttps://www.blogger.com/profile/02400327798106357876noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-20081112957694796512013-12-05T14:09:07.774+00:002013-12-05T14:09:07.774+00:00Do you know what frequency this is set to run at? ...Do you know what frequency this is set to run at? George Camannhttps://www.blogger.com/profile/01202880491256234920noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-72446967190594458372013-04-18T15:57:08.944+01:002013-04-18T15:57:08.944+01:00after a while the voltage stabilized to circa 1.5v...after a while the voltage stabilized to circa 1.5v less than the +ve output... I suggest to use a higher voltage (max 16v I think) and a regulator after this circuit<br />Anonymoushttps://www.blogger.com/profile/06034235526276561319noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-36320454283004151512013-04-18T15:49:29.421+01:002013-04-18T15:49:29.421+01:00finally I've found some spare time to make thi...finally I've found some spare time to make this,<br />It's working like a charm!<br />thank you so much for this, now i'm curious to implement it in a anderton eq, I've noticed that the oscillator was set to a really high frequency, so I keep big hopes about the absence of noise :D<br />tested with a 5.20v supply, output is +5.20 -4.90. great!<br />Anonymoushttps://www.blogger.com/profile/06034235526276561319noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-13848109562923875502013-04-16T08:48:23.597+01:002013-04-16T08:48:23.597+01:00Could be a feature. Most fuzzes should be fine wit...Could be a feature. Most fuzzes should be fine with -7 to -8 volts, but this probably won't be perfect solution for other applications.<br />+mmirosolhttps://www.blogger.com/profile/02400327798106357876noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-26999806523668168992013-04-16T03:12:22.264+01:002013-04-16T03:12:22.264+01:00I too built this with the Sunface GE and am puttin...I too built this with the Sunface GE and am putting in 9.56 volts and it sends out -7.06 volts to the fuzz. I just tested this because you asked otherwise it sounds good.snz728https://www.blogger.com/profile/02965020183583864488noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-19003814177247397952013-04-08T09:39:32.408+01:002013-04-08T09:39:32.408+01:00What was you input voltage?
I've been waiting...What was you input voltage?<br /><br />I've been waiting to get this one tagged..<br />+mmirosolhttps://www.blogger.com/profile/02400327798106357876noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-6795982154382742013-04-08T07:47:08.632+01:002013-04-08T07:47:08.632+01:00Made this and boxed it with a Sunface Ge and works...Made this and boxed it with a Sunface Ge and works great - voltage was a little low 7.5-8v but that's fine with the Sunface. Anonymoushttps://www.blogger.com/profile/02114285777244027344noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-9020161039307391182013-04-02T13:49:06.800+01:002013-04-02T13:49:06.800+01:00I'll try it as soon as I can...
thanks for the...I'll try it as soon as I can...<br />thanks for the help as usual!<br />Danielhttps://www.blogger.com/profile/06295171816421303864noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-26063691191237153652013-04-01T22:20:05.545+01:002013-04-01T22:20:05.545+01:00Yes. That's the way many would want to use inv...Yes. That's the way many would want to use inverters.. Just take +9V to circuit from row 2.<br />+mmirosolhttps://www.blogger.com/profile/02400327798106357876noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-87067001325354594982013-04-01T22:12:37.077+01:002013-04-01T22:12:37.077+01:00is it possible to use it as a bipolar supply?
I me...is it possible to use it as a bipolar supply?<br />I mean using the second row as a +9 output.Danielhttps://www.blogger.com/profile/06295171816421303864noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-63521178662930777242013-02-22T15:18:26.671+00:002013-02-22T15:18:26.671+00:00I'm not aware if someone built this... So no.
...I'm not aware if someone built this... So no.<br /><br />That's the same chip, so it's ok.<br />+mmirosolhttps://www.blogger.com/profile/02400327798106357876noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-30903448794075941172013-02-22T13:57:17.698+00:002013-02-22T13:57:17.698+00:00Hi Mirosol,
Is this one verified? Can I use the N...Hi Mirosol,<br /><br />Is this one verified? Can I use the NE555N instead of the NE555?<br /><br /><br />Grtz<br /><br />RRubinski!https://www.blogger.com/profile/12886915493958252956noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-65214120727433480412013-02-14T14:30:18.259+00:002013-02-14T14:30:18.259+00:00Oh yes, a quick calculation of components + verobr...Oh yes, a quick calculation of components + verobrd less than 0,50$.. Nice :)Sanansaattajahttps://www.blogger.com/profile/00118067140068873392noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-4491319818950319392013-02-13T22:25:40.843+00:002013-02-13T22:25:40.843+00:00Thanks miro! This is a HUGE help. Nothin' like...Thanks miro! This is a HUGE help. Nothin' like savin' money!Mikehttps://www.blogger.com/profile/05508639307039130025noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-11257726697233787182013-02-13T22:05:18.217+00:002013-02-13T22:05:18.217+00:00Yeah, I ordered 7660S today :PYeah, I ordered 7660S today :PUnknownhttps://www.blogger.com/profile/14761842070986431427noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-9093407704206466492013-02-13T22:01:24.828+00:002013-02-13T22:01:24.828+00:00I drew this today and posted it couple of hours ag...I drew this today and posted it couple of hours ago :) But don't worry. You can always stock up on both :)<br />+mmirosolhttps://www.blogger.com/profile/02400327798106357876noreply@blogger.comtag:blogger.com,1999:blog-6847048658257278783.post-17810920038231278892013-02-13T21:58:20.692+00:002013-02-13T21:58:20.692+00:00argggghh! wish I saw this before I ordered those m...argggghh! wish I saw this before I ordered those max chips! Mikehttps://www.blogger.com/profile/05508639307039130025noreply@blogger.com