This reminds me of the zener booster circuit. I have no idea how this works. http://www.dissident-audio.com/Yves/Z-Booster.gif ---------------------------------------- > Date: Fri, 6 Mar 2015 14:05:07 +1100 > From: quozl@laptop.org > To: piclist@mit.edu > Subject: Re: [EE] SMPS to remove hum > > It's not the capacitor that is being multiplied, but the electrical > effect of the capacitance. > > The physics of a capacitor device leads to a capacitance effect. > > The transistor acts as a multiplier of the effect, not a multiplier of > capacitors. > > On Fri, Mar 06, 2015 at 03:50:12PM +1300, Ryan O'Connor wrote: >> That page is really informative. However, I'm left wondering about the >> physics. How can a capacitor which stores charge possibly be "multiplied= " >> without any additional storage? >> >> Ryan >> >> On 6 March 2015 at 02:46, Adam Field wrote: >> >>> On Wed, Mar 4, 2015 at 12:17 PM, Bob Blick wrote: >>>> Hi Joe, >>>> You could use a one transistor pass element to multiply a capacitor. L= et >>>> me see if I can find an example on the web... nope. here's napkin art. >>>> >>>> Bob >>> >>> ESP has a good page on the concept: >>> >>> http://sound.westhost.com/project15.htm >>> -- >>> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >>> View/change your membership options at >>> http://mailman.mit.edu/mailman/listinfo/piclist >>> >> -- >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist > > -- > James Cameron > http://quozl.linux.org.au/ > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist =20 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .