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Usually adjustable voltage regulator IC's will not provide accurate results, using fixed one's is far better, but it usually comes in standard voltage ranges like 5V, 12V etc. If 12V nearly accurate regulated supply irrespective of input supply fluctuations is needed then choosing fixed one's is...
Usually electrical appliances operate on direct supply voltage (110V/230V) without the need for step down using step down transformer or SMPS ex: water pump motor, electric heater etc
While electronic appliances usually makes a step down conversion using a step down transformer or SMPS instead...
LM3I7 is an adjustable voltage regulator which can load max of 1.5A, the problem with these adjustable one's is that the output voltage fluctuates a lot due to changes in values of adjusting resistor and various other factors also dissipates a lot of heat. using a number of power transistor like...
If you are planning to make a EMI/RFI filter for critical applications then along with capacitors require inductors too, as an example (single phase)
**broken link removed**
C1=0.1 uF (the X capacitor)
C2=4700 pF (the Y capacitors)
L1=22 mH common-mode choke...
It may be used to absorb any electrical noise during circuit operation, so by giving such a closed surrounding earth connection most of the noise can be suppressed.
Line - Neutral Voltage = Supply Voltage
Line - Ground Voltage ~ Supply Voltage (For testing purpose only)
Neutral - Ground Voltage ~ 0V (Theoretical, but practically it should be around 2 - 6 V)
Neutral - Ground Voltage value depends upon the quality of Earthing, a lower value is always...
Thanks a lot for the replies :grin:, creating one like this is very useful for designing appropriate filters for protecting the instrument from damage as nowadays power lines are heavily contaminated with all sorts of noises like voltage fluctuations, emi, surges, spikes etc etc.
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