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Recent content by Jade Leo

  1. J

    Looking for a diy capacitance meter ( wide range )

    Thats good . What about wide range cap meter , i really need to build one for work bench . i only have one limited to 1000 uF
  2. J

    Looking for a diy capacitance meter ( wide range )

    Hi everyone Am looking for a diy capacitance meter with wide range at least up to 6000 uF . An esr meter would be very appreciated too
  3. J

    Can the LF356 j-fet opamp handle this circuit ??

    Alright then , thanks to all of you :-D
  4. J

    Can the LF356 j-fet opamp handle this circuit ??

    I am planning to use the LF356N for a gain multiplier and sign inverter application , but i don't know if the opamp can handle it well like the 741 , because this one is a J-fet based opamp , just want to know your opinions . Here is the circuit : Vin = 5 volts
  5. J

    problems in repairing a 600VA offline UPS

    I guess this is a switch mode power supply based unit , so a part from that what does it do ? what are the components inside ? Some photos would help
  6. J

    Charger design help!!!

    I guess you need to adjust it , and see if you get what you want
  7. J

    HC 5502 20 Mhz scope problem .

    Hi everyone . I have been recently logging in using facebook and have decided to join this board witch i find pretty interesting . So my problem is with an old hung chang 5502 oscilloscope that was still unused though , i have used it mainly for monitoring some high frequency signals coming...

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