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Recent content by Basil

  1. Basil

    MICROCAP User Soiruce .USR not working

    MICROCAP User Source .USR not working I get that error when I try to use v(out2). No problem with v(out1) The problem is neither Data Point Count nor number format. Same trouble with Microcap 12.2.0.0 now for free and with an older version. I have no clue. files.7z incudes...
  2. Basil

    summing crossover (one woofer from two stereo amplifiers)

    Yes, from two stereo analog (not Class D) amplifiers I want to sum both output below 100 Hz. Using passive LC network (i.e. not summing at low level and then amplify sum signal) I think the problem is not the new loudspeaker lowering the impedance, because when amplifier sees the woofer it...
  3. Basil

    summing crossover (one woofer from two stereo amplifiers)

    I want to add a woofer to a stereo amplifier. I want to sum both channels, L&R, at low frecuencies. Medium and high frecuency speakers are the original ones drived by the highpass LC filter. Low frecuency (woofer) is tricky. I just can't connect both low pass output together to the woofer...
  4. Basil

    Electronic Simulation software

    Microcap simulator from Spectrum Software. Those guys are developing their simulator since 80s (at the beginning it was DOS!). They have assembled the features we need in a very intuitive way. Models and algorithms for solutions are the very best. Do give it a try: MicroCap download
  5. Basil

    OCR detection in hundreds of PDFs

    Thanks for you reply After some web searching I was able to make listings of PDF with an without OCR (or whatever you name it) embedded.
  6. Basil

    OCR detection in hundreds of PDFs

    I have hundred (even thousands) of PDFs; I need to know which have OCR already made in order to be sure any index I'd make will include all PDFs. ¿How do you do a list of PDFs lacking OCR in order to add them OCR later?
  7. Basil

    How to analyze this switched battery charger?

    **broken link removed** **broken link removed** Feedback loop switch on/off W1 to keep VLOAD = Vref±δV. It switchs off W1 and inject current when VBatt goes down. When Battery is charged W1 is switched on and no current flows into VLOAD X1 adds hysteresis X3 and V1 models real world battery...
  8. Basil

    Jitter measurement in PLL

    I don't have the 35MB file any more. Most of the 35 MB is NIST 1337 document, download it from **broken link removed** You can get all the other files from de web. I can´t upload them here because each of these files is available in other websites (I don't believe a personal compilation makes...
  9. Basil

    The best resource for understanding Matlab basics

    matlab basics here you are:
  10. Basil

    I need footprint for MMT3799 transistor

    TO-224 package I need footprint for MMT3799 transistor mmt3799 smd.pdf - 0.13MB mmt3799.jpg - 0.03MB According to http://www.americanmicrosemi.com/information/spec/?ss_pn=MMT3799 it's a TO-224 but I can´t find this package. Doy you know a website where to find it?
  11. Basil

    Which would be the simplest way to detect a FAN locked in PC

    Re: Locked FAN detection I mean 1) voltage levels 2) pinout (if it's standarized. I'm no sure central cable is sensor output, my fan has a central black wire and yellor and red on the sides... I'd bet red=+12VDC, and black=0VDC) and I'd add logic (open colector?, normal = HI?)
  12. Basil

    Which would be the simplest way to detect a FAN locked in PC

    Re: Locked FAN detection I've seen it. Do you know which is the electric interfase?
  13. Basil

    Which would be the simplest way to detect a FAN locked in PC

    Locked FAN detection :?: Which would be the simplest way to detect a FAN locked in a PC?. Fan provides an status on/off signal.
  14. Basil

    ORCAD Capture error when import properties

    partocc I get this error when trying to import properties I'm using Orcad Capture 9.2 The beggining of my .EXP file is Any CLUE to solve this problem??? Regarding to error message "ERROR [IMP0021] (Line 177) Occurrence not found" Which is the line 1 in the .EXP file???, The one with the...
  15. Basil

    Analod ground, Digital ground and Earth

    it's a matter of convenience. It's better to tie all your analog returns by one side (analog ground), all your digital retuns by another side (digital ground). Eventually does exist a third common conection, namely chassis o "earth" which is connected to real ground (the planet). It's for safety...

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