In the above diagram we can see how an ordinary 7805 regulator ic could be used for creating a fixed 5v regulated output.
Simple regulated power supply circuit diagram.
Each of the schematic is very simple to construct and will function without problems if you respect the maximum power supply ratings.
What is a variable power supply.
Making a fixed 12v regulator circuit.
But it still has the same characteristics as a fixed regulated power supply.
Designing the power supply.
I want to base the power supply circuit around the lm7805 voltage regulator because it s an easy to find chip that is simple to use.
12v bd139 power supply circuit.
18v dc power supply using 7818.
First power supply circuit is built with bd139 one zener diode and a few passive components.
Regulated power supply block diagram.
This component will give a stable output voltage of 5v up to 1 5 a.
In case you wanted to achieve a fixed 12v regulated power supply the same configuration could be applied for getting the required results as shown below.
We use the simple zener diode voltage regulator as main ideas and two transistors to increase current to the load at 1a 2a.
It will keep a stable voltage when it.
Simply said it is a power supply that can adjust the output voltage or current.
5 volts low dc regulator circuits.
This regulated power supply included a transformer t1 a bridge d1 d4 and the 38v dc filtering voltage regulator circuits which consists of c1 c2 r1 r2 r3 q1 and q2.