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[[http://tuxgraphics.org/electronics/201005/bench-power-supply-v3.shtml|Microcontroled Bench power supply]]

[[http://electronics.stackexchange.com/questions/8121/capacitor-sizes-for-7805-regulator|7805 capacitors]]

[[http://www.dse-faq.elektronik-kompendium.de/dse-faq.htm#F.3|LM317 also for negative volts]]



Die Schaltung eignet sich auch, wenn man nur 2 positive Spannungsregler hat, aber eine stabilisierte negative und positive Spannung benötigt, es werden aber Schhutzdioden am Ausgang gegen Verpolung der Spannungsregler benötigt:                          +-----+
<code>
 o--+ +-----+-|>|-+---+--|LM317|---+-- +
    | |     |     |   |  +--+--+   |
    S:S  +--(-|>|-+   |     +--R1--+
    S:S  |  |         C1    R2     |
    S:S  |  +-|<|-+   |     +--|>|-+ (1N4001)
    S:|  |        |   |     |      C3
    S:+--+----|<|-+---+-----+------+
    S:                   +-----+   +-- GND
    S:+-----+-|>|-+---+--|LM317|---+
    S:|     |     |   |  +--+--+   |
    S:S  +--(-|>|-+   |     +--R3--+
    S:S  |  |         C2    R4     |
    S:S  |  +-|<|-+   |     +--|>|-+ (1N4001)
    | |  |        |   |     |      C4
 o--+ +--+----|<|-+---+-----+------+--- -

</code>

[[http://www.intusoft.com/onsemipdfs/an920-d.pdf|MC 34063 and an920 application notes]]

[[http://www.ti.com/ww/en/analog/power_management/snubber_circuit_design.html|snupper design simple]]

[[http://www.electronica-pt.com/circuitos/en/power-supply/31-switching-5v-power-supply-regulator.html|LM2596 pcb]]
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