0~14V 가변정전압, 0~2A 가변정전류 전원
0~14V,0~2A Variable Voltage, Current PowerSupply
16V 단전원으로 만드는 0~14V 가변 정전압 및 0~2A 가변 정전류 전원
첨부된 화일에는 이 전원장치의 회로가 압축되어 있습니다.
Variable output / current limited regulator
When powering up a piece of homebrew gear for the first time,
it's nice to be able to slowly turn up the "juice" and have a current limiting feature,
just in case there is a short circuit or other problem some place.
Here's a circuit for a fairly simple variable output / current limited regulator,
which you can use with a fixed output bench supply,
a gel-cell or use as part of a homebrew bench supply.
The output voltage can be adjusted from 0 to 14 volts
and the current limit set from 0 to 2 amps.
All the parts used are common, most can be obtained from Radio Shack,
but you'd probably do much better with Mouser or Jamco, despite the shipping charges.
A circuit board for this project is available from FAR Circuits,
www.farcircuits.net For $4.95 plus shipping and handling.
Look for the KD1JV Variable power supply board in the catalog.
72, Steve KD1JV
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