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  1. rob2

    Making PCBs with magazine's paper

    My mate used the laser printer technique and it works a treat for simple/low-current circuits. i have one question with power circuits that need big tracks, is there any technique to achiev it without using an expensive solder flow machine (i notice on professional power pcb's they have a slight...
  2. rob2

    DTMF transceiver connection

    wow all this DTMF stuff sounds cool. DAM IT dont side track me from another project ! +"I before E eccept after C" hehe ;)
  3. rob2

    varible voltage, current limiting, power supply

    MylarHornet, i just picked up on you saying
  4. rob2

    varible voltage, current limiting, power supply

    Hi, MylarHornet ok its late so im going to go through what you said, in theory it sounds good and at a quick look its cheaper then this example (in the 'on' semicondutor datasheet)(thought it might be useful) i just spent some time looking through retail psu's to get an idea of comman specs so...
  5. rob2

    varible voltage, current limiting, power supply

    thanks ill have a look, ill draw up al my ideas into a design and keep all my developments to this thread ;) i have had a look through the articles on this site and here aswell http://www.discovercircuits.com/P/pwr-variable.htm (moderators please delete if in-appropriate). ive started to get...
  6. rob2

    varible voltage, current limiting, power supply

    Im currently designing (slowly as i have little free time) a varible voltage current limiting power supply, below are some of the features that i would like to incorporate; (bare with me as i ramble and am in the design/thinking stage still) varible rails ------------------ 0 to +30v (Imax...
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