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  1. steven2

    fair child photo transistor data

    :)i apoligise for the poor picture. ill redo i5t soon and post it. the light activated relay on the left i biult it, and it responds to infrared pulses from a tv remote and video remote, hence infrared remote controll tester. and can bu used to rapidly switch dc into a transformer in reverse...
  2. steven2

    Ignition coil driver circuits and experiments

    :)my exsperiments are going good the erea of the skin with a freckle on it , that formed into a small scab after treating it with this circuit, i accidently knoked the scab off and under it there was just a light pink spot where the skin is healing and the freckle completely gone.
  3. steven2

    Question about ttl IC

    :)audio guru the truth is out there
  4. steven2

    Question about ttl IC

    i cant figure out why there aint no op amps dispite what the page says at the top
  5. steven2

    Question about ttl IC

    i apoligise any op amps if there are, must be some where else on the same page .
  6. steven2

    Question about ttl IC

    :)
  7. steven2

    intergrated circuit information chart

    :)i hope this comes up alright ,if anyone has kodack easy share you can use the zoom features in it to zoom in to get a clear view
  8. steven2

    resistor colour code chart

    :)here is a really good picture of my large resistor colour code chart
  9. steven2

    capacitor conversion chart

    :)
  10. steven2

    capacitor conversion chart

    :)
  11. steven2

    Question about ttl IC

    :)the 74ls193, is operational amplifier. 74ls low power schottkey series [positive 5 volts supply]. the 74ls195 synch 4 bit u/d counter dual clock . acording to my catalouge here
  12. steven2

    PC OSC

    :)ive herd about this before about converting your computer or useing it as am osciloscope. ill do some searching if i find anything ill report back
  13. steven2

    colour code in zener diode

    :)poonam , black rectifier diodes have silver band marking the negative end .1n914 and 1n4148 diodes are red or pink colour and have a black band at one end marking the negative end . and i have a diode looking component with blue band in middle, its a diac as for zener diodes i have grey with...
  14. steven2

    transistor information

    hotwater wizard i arsk for nothing but i give to those who who may seek more information, or that little bit of extra knowledge.
  15. steven2

    Electronic parasite zappers

    :)audio guru i enjoy your replies its really entertaining i reckon its good for electronics lab. i get a laugth out of this
  16. steven2

    high voltage dc circuit

    :)ante i sure hate to get zapped by that
  17. steven2

    high voltage dc circuit

    :)top left near line is 20 amp fuse. the bridge rectifier is ,600 volts, 25 amps. top right output is positive 350 volts output the 2 electrolytic capacitors in sieries on the right are each 200 volts at 4700uf
  18. steven2

    Electronic parasite zappers

    :)in the circuit above the the 2 diodes on the top left next to the 18 volts positive input, part number rs 276-1101. the resistor on the right near it is 150k on the far right nextr to output is 480 ohms 1/2 watt resister and under it is a 10 uf tantulum capacitor near that to the left is 5.6k...
  19. steven2

    transistor information

    :)in the poor quality scanned image the 2sc indicates that the transister is a high frenquency npn type . b-japeneese [EIA] or american[EIA] c- the transistor application and whether it is an npn or pnp type. 2n-transistor,FET,SCR,or triac. 2SA-TRANSISTOR,HIGH FRENQUENCY TYPE,PNP TYPE...
  20. steven2

    Electronic parasite zappers

    ill try get this circuit done better
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