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echo: hs_modems
to: EDWARD RUTLEDGE
from: DAVID WEI
date: 1997-06-20 12:53:00
subject: Re: Voltage change

 -=> Quoting Edward Rutledge to David Wei <=-
 ER> On 06-11-97 DAVID WEI wrote to EARL MCLAWS... 
 
 DW> Well... diodes don't have much to do other than making sure 
 DW> the polarity isn't the wrong way... and most of the 
 DW> semi-conductor voltage regulators are pretty darn robust and 
 DW> have a large tolerance for voltage difference. 
 ER> 
 ER> Diodes do have switching speeds.  That is one thing that _is_ 
 ER> important in small signal diodes and in switching diodes.  A slow 
 ER> diode can really honk up a circuit real quick... 
 Thanks for the info... I do know about the Diodes *leaking* some slight
 current that's going the wrong way... and also plus your info with the
 diode's swithcing time... this will usually be nulled out by the LARGE
 capacitors that usually follows the circuit... plus there is a
 SEMI-CONDUCTOR VOLTAGE REGULATOR (NOT a DIODE, it's a transistor looking
 thing, packs a lot more circuit than just a diode or transistor...)...
 Whichs will either rise or lower the voltage coming in... depending on
 conditions if the input...
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