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  1. OLIVE2222

    capacitor help

    Yes they looks OK, ensure they fit physically to the board however
  2. OLIVE2222

    Tektronix 2215A

    The service manual is available here: http://thehistoryofrecording.com/Test_Equipment/Manuals/Tektronix/2215A/Tektronix_2215A_Oscilloscope_Service_Manual.pdf I second Dave regarding the TekScopes Yahoo group, very nice people there (including former servicing engineers) Good idea by the way to...
  3. OLIVE2222

    capacitor help

    Yes 2200µF would be OK, electrolytics capacitors have large value tolerances, so it may even happen that your 1800µF are close to 2200µF. However you MUST still follow the Kris advice's regarding other specifications.
  4. OLIVE2222

    capacitor help

    Also 1800µF is not very "standard" 2200µF are OK too and should be easier to find (watch the size!)
  5. OLIVE2222

    What is the most compact mp3 player chip that a hobbyist can implement ?

    A ready to go module can be a solution. Look at DX.Com a lot of MP3 players, like this one: http://www.dx.com/p/jtron-20050299-mp3-decoder-board-w-tf-usb-green-298187#.U-r-qvl_ulI More rewarding to build is own but having it very small is somewhat not easy to reach.
  6. OLIVE2222

    Hi-Fi System Help?

    Indeed a too open question! However in UK you have many good Hi-Fi product manufacturer like Naim, Rega, Mission, Arcam, listen to them !
  7. OLIVE2222

    "Has it got the Cobalt?" (story)

    A long time ago (but a bit more recent than the 8048 era) when first XT PC clones comes to the market we ensure to our customer's that our computers have the BRS option! BRS stand for Big Red Switch, yep the power ON one !
  8. OLIVE2222

    Peltier cell beer cooler

    Cooling the beer is a VERY important matter. We must so have the intellectual honesty to admit that electronic based solutions can not be the best ones ! :) http://www.wikihow.com/Cool-Beers-Without-a-Fridge Olivier
  9. OLIVE2222

    VACUUMSCHMELZE data sheet

    You probably will not find the datasheet of this part on the web. I suggest to drop the manufacturer an email info(at)vacuumschmelze.com
  10. OLIVE2222

    Ideas for a pill dispenser mechanism that drops only one pill out of a compartment full of pills

    You can maybe pick the pills with a suction system. mounted on a X,Y CNC alike machine. A camera based recognition system can be added to the setup.
  11. OLIVE2222

    Multimeter DT9205A problem

    If the battery is OK you can have a look on the schematic power down circuitry: http://www.dzkf.cn/upimg/allimg/081010/112594C0A-1.jpg
  12. OLIVE2222

    Common mode noise ??

    here a start about the measurement
  13. OLIVE2222

    RF Energy Harvesting Project

    To have an idea you need around 4W EIRP to read a passive UHF RFID tag located few meters away!
  14. OLIVE2222

    Anybody knows the version in smd from this connector?

    They don't look to exist in SMD version, you can maybe use pin in paste method.
  15. OLIVE2222

    ISD voice recorder help.

    looks like the in header as the needed contact to do so (like this one) http://www.elecfreaks.com/wiki/index.php?title=Voice_Record_Module_-_ISD1820 just try with a piece of wire between the play pin and the ground
  16. OLIVE2222

    a circuit that will indicate when a contact is broken?

    The only no drain solution I see is a mechanical arrangement with a reed contact and a magnet.
  17. OLIVE2222

    a circuit that will indicate when a contact is broken?

    Such a circuit doesn't pop up, what is your application? is a wall plug power supply not suitable?
  18. OLIVE2222

    a circuit that will indicate when a contact is broken?

    You can use a classic led+resistor circuit. Just short the led with the metal plates. When the metal plates contact is broken the led will bright.
  19. OLIVE2222

    PH4148 vs T4148 vs 1N4148 diode?

    Yes or the package, can be FDLL4148, MCL4148, LS4148..... PH stand for philips (now NXP)
  20. OLIVE2222

    PH4148 vs T4148 vs 1N4148 diode?

    Hi, They are general purpose type with no major differences. Can be small differences from manufacturer to manufacturer or from lot to lot but nothing to worried about Olivier
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