----- Original Message ----- From: Earle Bonner <[email protected]>
> Oh wise ones, > > Fairly new to cs, have had gen for couple of months, makes good cs (had some tested), but am curious about making cs with constant current. Would someone make a post here and explain how you people are doing this? > I'm all eyes!!! > > Earle I'm not so wise, but I can give you some info about constant current. Constant current is a bit of a misnomer actually. It is very hard to supply a constant current when the voltage is continually changing, better to think of limiting the current to some maximum. Also most current limiting devices are very temperature dependent and are often used in temp sensing applications. The easiest current limiting device is the common L317T voltage regulator. With the input leg of this connected to the positive out of your generator and the adjust leg connected to your electrode, you then tie the output leg to the adjust leg via a resistor or variable resister with the formula: current out = 1.25 divided by the resistor value. This limiter is not absolutely stable (not constant) for currents less than 10mA but is good enough. Bob Lee posted on this subject previously and is probably much easier to understand than me. Ivan. -- The silver-list is a moderated forum for discussion of colloidal silver. To join or quit silver-list or silver-digest send an e-mail message to: [email protected] -or- [email protected] with the word subscribe or unsubscribe in the SUBJECT line. To post, address your message to: [email protected] List maintainer: Mike Devour <[email protected]>
