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  1. OLIVE2222

    Tektronix 2215 repair project.

    Hi, You can find the globes here: http://be.mouser.com/ProductDetail/Chicago-Miniature/A9A/?qs=sGAEpiMZZMsEIsGLxVc9kMj9z82SfnH7 and here http://fr.mouser.com/ProductDetail/Chicago-Miniature/A1B/?qs=%2fha2pyFadugTPK7BO86yQeNNXdx7eMwqpKmOoyecnwA%3d the FET looks easy to repair Olivier
  2. OLIVE2222

    Question about components

    You can also go for RS-Online; They accept any amount order you just have to pay a reasonable shipping fee. Olivier
  3. OLIVE2222

    Help needed to start a Sony APS-112 670 w power supply

    Hi jxlbbb, Welcome to this forum ! It may happen that the power supply need a minimum load to start. Olivier
  4. OLIVE2222

    power supply for Hess trucks

    Hi, If you can borrow a PC ATX power supply somewhere you will get a very healthy 3V3 power bus . Olivier
  5. OLIVE2222

    Tektronix 2215 repair project.

    I find out a service manual with stated "LAMP,GLOW:90V,0.3MA.AID-T,WIRE LD" for 3 of them however the designators are not the same (DS856,858 and 870) Olivier
  6. OLIVE2222

    Tektronix 2215 repair project.

    Thank you for the correction Dave ! Indeed gaz discharge tube have small triangles inside the symbol, absent here Olivier
  7. OLIVE2222

    Tektronix 2215 repair project.

    looks to be gaz discharge tube symbol http://www.ttieurope.com/docs/IO/6867/Bourns1.pdf For the value I guess this is stated in the service manual part list Olivier
  8. OLIVE2222

    Op Amps

    For the resolution you also need to normalize the amplifier (see the Circuit cellar article) if not you will have 3.15V to 4.95volts values which correspond to around 2/5 of your resolution only! better to limit the amplification as needed, a gain of 225 with a reference of 2.5V is better so...
  9. OLIVE2222

    Suggested parts list for Audio work, and other stuff.

    Hi, DIY Audio is something cool but tubes projects are not for starters. They involve high voltages, expensive components and good wiring/soldering skills. Opamp, transitor based circuits can be battery supplied, breadboarded and components are super cheap. Here my part list suggestion...
  10. OLIVE2222

    Op Amps

    Don't know about the oxygen sensor output range, the following link state an output current of 330-590µA and being compatible with Teledyne. According to the Teledyne spec you have posted a 10K load must be used. http://www.yorkinstrument.com/york/html/2010/9/964.htm Maybe be the OP have...
  11. OLIVE2222

    Plug on Weller WTCP 50 soldering station?

    Hum, not sure they are locking DIN. They call it Amphenol on the rapidonline site, to be tested so! Olivier
  12. OLIVE2222

    Op Amps

    Hi, You will find at this application note end how to build high gain circuit splited on two Op amps. With such high gain you must take great care of the input offset as it will be multiplied too! http://ww1.microchip.com/downloads/en/appnotes/00844a.pdf Olivier
  13. OLIVE2222

    Plug on Weller WTCP 50 soldering station?

    Glad to help Dave !!
  14. OLIVE2222

    Plug on Weller WTCP 50 soldering station?

    OK, this is my best offer :-) http://www.rapidonline.com/tools-equipment/weller-3-pin-plug-for-p50-p51-psu-23-1220 Olivier
  15. OLIVE2222

    Making an FM Transmitter

    It must look like this http://www.w0qe.com/Technical_Topics/images/1uH_10yr_outside_wire-hi.jpg Olivier
  16. OLIVE2222

    Reliable 18v to 5v USB voltage converter.

    Hi, If you want reliable stuff don't buy Ebay Chinese items. They clone everything, semiconductors, red caps, and even aircrafts! Here a company that sold reliable genuine stuff: Olivier http://www.mini-box.com/DCDC-USB?sc=8&category=981
  17. OLIVE2222

    Making an FM Transmitter

    PS as the wire is unvarnished stretch the inductor a bit
  18. OLIVE2222

    Making an FM Transmitter

    That's it single core wire, like this: http://dgysdx.en.alibaba.com/product/482985460-214050889/BV_Single_Core_Power_Wire_PVC_Insulation_Electrical_Wire.html Olivier
  19. OLIVE2222

    Making an FM Transmitter

    it will not be practical to use paralleled 6.8uH inductors. Really it's easy to made one with a piece of laying around rigid wire turned on a 5-6mm drill bit. If you want a ready made solution you can order a free inductor sample at coilcraft.com...
  20. OLIVE2222

    Plug on Weller WTCP 50 soldering station?

    Hi Dave, The cord with the plug is available at farnell: http://be.farnell.com/weller/53209899/cord-for-tcp-s/dp/804186?Ntt=WELLER+53209899 Olivier
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