Still makes no sense.
Still makes little sense.I want each 317 regulator to act as a variable resistance to each load resistor, and the 337 to act as a variable resistance to the ground.
True, but it is the effect in a limited situation. The same is true of changing the DC through a diode to alter its effective resistance to an AC signal riding on the DC. This was the basis for the first multiplexer and voltage-variable resistor.What do you mean "variable resistance to each load resistor"?
That's not the purpose of a voltage regulator.
I like the independence of the first schematic better.How about if I use the 337 to set a new ground reference like this?k
How much voltage adjust range do you want for the master control?I'm trying to get a master control,
It is either a very creative idea, or a disaster that will burst into flames. Jury is still out.So do I, but everyone was poo pooing on it.
What are "the loads" and what, exactly, are you trying to accomplish regarding them? Are you trying to control the voltage across them? The current through them? What is it that you want to have happen to when you adjust your master control? What is it you want to have happen when you adjust the trim control?I'm trying to get a master control, but also have trim adjust to the loads.
How about if I use the 337 to set a new ground reference like this?
View attachment 143623
Thank you ak
Because we did not, (and still don't) know exactly what you are trying to do.So do I, but everyone was poo pooing on it.
What are "the loads"What are "the loads" and what, exactly, are you trying to accomplish regarding them? Are you trying to control the voltage across them? The current through them? What is it that you want to have happen to when you adjust your master control? What is it you want to have happen when you adjust the trim control?
WHAT resistors? Some resistors sitting in a box in Tahiti?What are "the loads"
They are resistors
Are you aware that you can't do both (at least not at the same time)?Are you trying to control the voltage across them?
Yes
The current through them?
Yes
Change what? Change resistance? Change color?What is it that you want to have happen to when you adjust your master control?
I want them all to change.
Okay, then take the prior circuit and put a pot in series with each load resistor.What is it you want to have happen when you adjust the trim control?
I want to change the voltage across that load and current thru that load to change
Nope. You can't control both the voltage across and the current through a resistor, so it won't work.Now…your turn…
Will the circuit work?