[sdiy] MG-1 first mods, VC res

[Roy J. Tellason]

On Sunday 31 October 2004 12:58 pm, jamhoney wrote:
> > ... 35V is the MAXIMUM
> > for all 78xx and 79xx regulators, except the 7824 and 7924.
>
> Can you cascade 2 regulators? Like, transformer --> 7824 --> 7815? I
> believe it's okay, but...

Why?  That would be a waste of a regulator in the first instance,  where a 
simple resistor would do the job...

> Is there limit on the maximum load? Example: Given a 7824 and a 7815
> that are each rated at 1 Amp, can you squeeze a full Amp though the
> 7815? I'll guess that you have to allow for some current loss at the
> second regulator.

The limit is more a question of how much power you're dissipating in terms of 
heat,  though there is a maximum current output for the device as well.