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  1. bertus

    PAL vs NTSC?

    Hello, The number of lines times the number of frames are close between PAL and NTSC. PAL 625 lines times 50 frames = 31250. NTSC 525 lines times 60 frames = 31500. Here is a page where you see more info on PAL versus NTSC: http://www.kolumbus.fi/pami1/video/pal_ntsc.html Bertus
  2. bertus

    Grundig YB500 World receiver fixup and panelbeat

    Hello, I would not worry to much about the brand of the capacitors, as long as they have a good reputation. Rubycon, nichicon and panasonic are often used. I often choose the high temp (105 C) types. This page will tell you more about electrolytic capacitors...
  3. bertus

    Logos for electronic component manufacturers

    Hello, Here is an other logo finder: http://www.plasma-online.de/index.html?content=http%3A//www.plasma-online.de/english/identify/picture/index_logochip_a.html The startpage is on the A, but all others can be choosen on top. On most logos there are links available to the manufacturer. Bertus
  4. bertus

    Looking for 60A 60V mosfet

    Hello, What speed controller are you using? Does it have an enable input? If so, that can likely be used as kill switch. Bertus
  5. bertus

    Crossreference information

    Hello, Here I have found a page with a lot of crossreference information: http://matthieu.benoit.free.fr/cross.htm Bertus
  6. bertus

    Looking for 60A 60V mosfet

    Hello, @Fish4Fun , I would place zener diodes of 12 Volts accross the gate/source connections for protection of the mosfet, in the 2nd and 3rd schematic. Bertus
  7. bertus

    Troubleshooting and Repair info pages

    bertus submitted a new resource: Troubleshooting and Repair - Troubleshooting and Repair Read more about this resource...
  8. bertus

    Vintage info from the days of vacuum tubes

    bertus submitted a new resource: Vintage info from the days of vacuum tubes - Vintage info from the days of vacuum tubes Read more about this resource...
  9. bertus

    Happy new year

    Happy newyear from Amsterdam
  10. bertus

    Old books and magazines on the World Radio History site.

    bertus submitted a new resource: Old magazines on the American Radio History site. - Old magazines available Read more about this resource...
  11. bertus

    Help understanding SMD PPTC fuse specs.

    Hello, Perhaps the following document might give you more insight on the use and characteristics of a polyfuse. Bertus
  12. bertus

    Fuse rating for electric car heating system?

    Hello, Looking at the picture, it looks like the fuse has tabs on both sides. They look more like the fuses on this page of the site you gave: https://www.starelec.fi/index.php?cPath=66_2536 Keep track of the size of the fuse when you order one. (I can not read what is given as it is in...
  13. bertus

    Looking for 60A 60V mosfet

    Hello, Does this list help? I wanted to upload a spreadsheet, but the forum does not allow it. I have attached the spreadsheet by adding.txt Remove the .txt to reveal the spreadsheet, that can be opened in office. Bertus
  14. bertus

    PSU help please.

    Hello, When you say that it is 600 Watts @ 240 Volts, and 12 Volts @ 30 Amp, there is a great loss (360 out @ 600 in). For such a powersupply I would expext more in the direction of 40 Amp @ 12 Volts. Bertus
  15. bertus

    I have a question about a dsc 1500 alarm system.

    Hello, The DSC 1500 installation manual can be downloaded from the DSC site here: https://www.dsc.com/alarm-security-products/PC1500%20-%20PC1500/1085 You will need to know if your DSC 1500 is version 4.0 or 4.1. Bertus
  16. bertus

    Midi controller

    Hello, It looks like a custom made controller using a PIC. As it is a couple of years ago, they will likely be unavailable. You might want to have a look here and see if there is something comparable over here: https://www.midiboutique.com/ Bertus
  17. bertus

    Information on programmable logic on the EDUCYPEDIA

    Hello, @Hunter64 , Did you have a look at the links? Each page has quite some links available. Bertus
  18. bertus

    British Television?

    Hello, In the old days we had to pay "omroepbijdrage" in holland. Now it is payed indirect by the taxes. Bertus
  19. bertus

    Information on power electronics subjects on the EDUCYPEDIA

    Hello, The EDUCYPEDIA has several pages with information om power electronics subjects: Diac-thyristor-Triac Motor speed control Power control Power Electronics Power supplies SMPS SPWM Voltage multipliers Bertus
  20. bertus

    Information on programmable logic on the EDUCYPEDIA

    Hello, The EDUCYPEDIA has several pages with information on programmable logic: AVR Resources Basic stamp FPGA Design PIC'S PIC software Programmable logic VHDL Bertus
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