| Electronics > Projects, Designs, and Technical Stuff |
| What is "floated" linear voltage regulator? |
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| 001:
--- Quote from: Wolfgang on November 21, 2018, 12:21:58 am ---Hi, thats easy. A floating regulator is a regulator which has no direct ground connection. --- End quote --- Thanx Can You comment this eastern europe schematic? |
| precaud:
--- Quote from: Wolfgang on November 21, 2018, 12:21:58 am ---Floating: LM317: Input-Output-Adjust. This regulator never sees "ground", it floats. --- End quote --- So how does a floating regulator create/have a low impedance to ground if it never references to it? |
| 001:
--- Quote from: precaud on November 21, 2018, 02:37:27 am --- --- Quote from: Wolfgang on November 21, 2018, 12:21:58 am ---Floating: LM317: Input-Output-Adjust. This regulator never sees "ground", it floats. --- End quote --- So how does a floating regulator create/have a low impedance to ground if it never references to it? --- End quote --- I don`t understand it too |
| xavier60:
--- Quote from: 001 on November 21, 2018, 02:29:21 am --- --- Quote from: Wolfgang on November 21, 2018, 12:21:58 am ---Hi, thats easy. A floating regulator is a regulator which has no direct ground connection. --- End quote --- Thanx Can You comment this eastern europe schematic? --- End quote --- It needs to be mentioned that this design uses the mains switch and transformer's primary winding to discharge the large capacitor. Very hazardous! |
| xavier60:
--- Quote from: precaud on November 21, 2018, 02:37:27 am --- --- Quote from: Wolfgang on November 21, 2018, 12:21:58 am ---Floating: LM317: Input-Output-Adjust. This regulator never sees "ground", it floats. --- End quote --- So how does a floating regulator create/have a low impedance to ground if it never references to it? --- End quote --- There will always be a feedback divider to sense the voltage of the - output terminal with respect to the + output terminal. |
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