1. Forum
  2. FSXNet
  3. FSX_PKT

  • Lab PSU

    From G8MNY@21:5/101 to TECH on Sun Jun 30 12:40:10 2019
    R:190630/1531Z 26234@VE3UIL.#EON.ON.CAN.NA LinBPQ6.0.18
    R:190630/1528Z @:JE7YGF.03.JNET7.JPN.AS #:20003 [Ichinoseki] $:10578_GB7CIP R:190630/1525Z @:GB7CIP.#32.GBR.EURO #:10578 [Caterham Surrey GBR]

    From: G8MNY@GB7CIP.#32.GBR.EURO
    To : TECH@WW

    Here is a circuit from Chrissi ZR6CPB.

    ZR6CPB PRECISION ADJUSTABLE LAB POWER SUPPLY Mark II Low 3-15V 0-30A
    Hi 15-33V 0-15A
    +-----------------+----+----+----+----+----+
    | | | | | | | /
    (Low Voltage) |TIP3055 or 2N3055| x6 | | | | | /
    (Hi Current) | | /c | / | / | / | / | / /
    | | b |/ |/ |/ |/ |/ |/ /
    | +-----+----+----+----+----+----+ /
    Low Off Hi-(Hi Voltage)| | |\ |\ |\ |\ |\ |\ /
    +-------+ (Low Current)| | | Ve | V | V | V | V | V
    | | | ------- | | | | | | | h
    -+-o o o-+ | | | | | | | | | | e
    Mains ^ | > O < | \ \ \ \ \ \ a
    Live | | | | | / / / / / / t
    O DP3T(Centre Off)| ------- | 0R2\ 0R2\ 0R2\ 0R2\ 0R2\ 0R2\ s
    | Switch | | | | 5W / 5W / 5W/ 5W / 5W / 5W / i
    <-----+ | |L200 | | \ \ \ \ \ \ n Transformer Live | | | | | | | | | | k
    | ------- |current| | | | | |
    | 1|||||5 | 1 K | | | | | |
    | ||||| | /\/\/\+----+----+----+----+----+-> Transformer 12-0-12 15A | ||||| | ^ | | | + +---------+-+ +---+-----+--+|+|+-++ | | | |
    \ | | | | | ||| | | | | | 3-33 V
    / | | | | | ||+ | | / | |
    \ 12V RMS - v | | | +|--------+ \ | | 0-30 A
    / ^ _ | |40V |50v || | / | |
    \ Off | | | +|4700u|0.1u|| | voltage\10k | +| 4700uf
    / Low Hi | | | ----- ----- |+---------->/ ---- -----
    +--o o o--+ +--+ /---\ ----- | | | ---- /---\ 40V
    /ct ^ | | | | |0.1|uf | | 0.1|uf |
    \ | | | +<36V| | | ----- \ |50V |
    / O v - | | | ----- /1k | |
    \12V | _ ^ | | | |50V \ | |
    /RMS | | | | | | | / | |
    \ | | | - | | | | | | | - +---------+-+ +--+-----+----+---+--------+----+----+---------------->
    | |
    +----------+
    --- (ground)
    -
    .

    DP3T switch with centre off - selects between LO, OFF & Hi.

    Enjoy! From ZR6CPB@ZS0TFK.LIC.NWP.ZAF.AF


    Also see my tech bul "0-35V 0-5A Lab PSU CS FL-305".

    Why Don't U send an interesting bul?

    73 De John, G8MNY @ GB7CIP


    --- Mystic BBS v1.12 A43 (Linux/32)
    * Origin: HAMRADIO telnet lu9dce.dynu.com (21:5/101)