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|    sci.electronics.repair    |    Fixing electronic equipment    |    124,925 messages    |
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|    Message 123,041 of 124,925    |
|    Phil Allison to David Farber    |
|    Re: Scumacher 1042A-PE battery charger h    |
|    21 Aug 22 21:28:07    |
      From: pallison49@gmail.com              David Farber wrote:       ================       > > ** It can be much higher as the resistor is in parallel with the device       gate and cathode.       > >       > >> 3. How do I clamp the 12V supply to +1.2 volts?       > >       > > ** The SCR will do that when it triggers on - if it is working.       > >       > >       > >       > Assuming the SCR is working and it's clamping properly, where am I to       > measure the 1.2 volts? The anode is connected directly to the 12 V       > supply and the cathode is grounded. That leaves the gate. Will it       > measure 1.2 V after I remove the 1.5 V supply?              ** Read my first post again.              SCRs, once triggered, conduct large currents with small voltage drops.                     ..... Phil              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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