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  1. ante1

    Mains duty cycle controller IC

    Trafo, Welcome to this forum. Is it a Solid State Relay you are looking for or just an IC? Ante ::)
  2. ante1

    PSU 0-60Volts

    Bikerman, What would you need more than 60Volts for? :o Ante ::)
  3. ante1

    Problem with LEAD-ACID Battery

    Rhonn, I would not accept a leaky battery. The build-up of these acid crystals, which can lead to failure and even arcing and explosion, is not acceptable. If at the time of a high current pulse the clip is almost eaten through by the acid, the clip will burn off causing a spark. A battery...
  4. ante1

    Help with power supply repair

    Greg, I can
  5. ante1

    Problem with LEAD-ACID Battery

    Rhonn, Good Luck and
  6. ante1

    Help with power supply repair

    Greg, So, you are in two topics with this one? Presuming the supply worked for a short time before the
  7. ante1

    PSU 0-60Volts

    Bikerman, Well that would be nice to have both of them on the bench. ;D I can
  8. ante1

    PWM using 555 timer

    Darrin, Yes the low frequency enables the circuit to
  9. ante1

    My 120 Watts Power Inverter

    Rhonn, If Sweep means time / div (5.00mS) it
  10. ante1

    PSU repair, found strange cap, need guidance

    Greg, It looks like U9 / U1 is a switching pre-regulator, the setup maintains the voltagedrop over Q9 to minimize the heat. Do this part work allright? C5 has an unusual symbol but I think you can replace it with a standard but low ESR cap, if it
  11. ante1

    PSU repair, found strange cap, need guidance

    Greg, It seems like a strange way to reduce the voltage that much. There can
  12. ante1

    PSU 0-60Volts

    Bikerman, I think it will work fine. So, have you decided which one to build then? Ante ::)
  13. ante1

    PSU repair, found strange cap, need guidance

    Greg, The SG3524 chip is rated 8 to 40 Volts and you have 65VDC on the inputs. How is the voltage reduced and is the internal 5V ref used by the circuit? A schematic would be very helpful. Ante ::)
  14. ante1

    PSU repair, found strange cap, need guidance

    Greg, Welcome to this forum. No schematic I guess? Have you checked the pcb, where this cap is connected to determine + and
  15. ante1

    PWM using 555 timer

    Darrin, I believe you are right, the PWM is the way to go. However it must be with a very low frequency to suit this application, something like 0.1
  16. ante1

    PSU 0-60Volts

    Bikerman, Do you know if MJE4502 and MJ4502 are the same? I can
  17. ante1

    PSU 0-60Volts

    Bikerman, If you decide to go for the dual supply here is some additional info: http://www.a-and-t-labs.com/K2_Lab_Power_Supply/index.htm You can buy a transformer for $75 if you like to have it all in one. Have you found any source for the LM317HV (TO3) or the MJ 15023? Ante ::)
  18. ante1

    what is micro switch

    Shekhar, A touch screen is a completely different thing. The micro switch as we discussed it here is much too big and expensive for applications like that. Ante ::)
  19. ante1

    PSU 0-60Volts

    Bikerman, I was in Denmark on Thursday so I had to get some Danish money, the exchange rate is 1.25sek for 1dkr. I purchased some Carlsbergs, nice to have a stock if the whether gets warmer (or even if it gets colder who cares) ;D. So, you are going to build this power supply then? Ante ::)
  20. ante1

    Switching power supply

    Omelia, Welcome to this forum. It sounds like a strange device, can you explain a little more? God
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