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Recent content by papyaki

  1. papyaki

    How to interface a micro with phone line via DTMF decoder?

    Re: phone line interface Then try this one h**p://hackedgadgets.com/2007/03/27/alarm-phone-dialer/ (replace * by t)
  2. papyaki

    SS7, SUS and RES message meaning?

    sus + ss7 Hi, SUSpend, RESume. Definition can be fund in ITU-T Q.762 recommandation or here if you don't have access to it: **broken link removed** Replace * by t
  3. papyaki

    Help me with learning Pspice in Orcad 10.5

    Re: Help me in Pspice Hi, Another tip is to set condensators "IC" parameter to 0 or to VCC value. Regards
  4. papyaki

    Transistor checker circuit?

    Hi, Have a look at these posts : h**p:// Replace * by t
  5. papyaki

    LM138/338 Spice model

    lm138 Hi, Found on this page: h**p://www.macs.ece.mcgill.ca/~rfic/EC2/SPICE_MODEL_LIB.htm Make a search on page Replace * by t Regards
  6. papyaki

    What exactly is the heterodyne ?

    Re: heterodyne Hi, Have a look at this online book : h**p://www.mikroelektronika.co.yu/english/product/books/rrbook/rrbook.htm Regards Replace * by t
  7. papyaki

    what is FPGA and what are its application??

    Hi, Try this vrey good site : h**p://www.fpga4fun.com/WhatAreFPGAs.html You will find a lot of basic information and some projects. Search the full site. Replace * by t
  8. papyaki

    how to design lowpass filter in PLL (CD4046)?

    Hi, Also found a design tool: h**p://www.standardics.philips.com/support/logic/ Scroll down on page Replace * by t
  9. papyaki

    how to design lowpass filter in PLL (CD4046)?

    Hi, Try also this link (hope it helps): h**p://www.mindspring.com/~redrocker1/PLL_Report/PLL_Report2.htm Replace * by t
  10. papyaki

    How to transfer a pulse from clock1 domain to clock2 domain?

    Re: How to transfer a pulse from clock1 domain to clock2 dom Hi, There are some app. notes over the net: h**p://www.cadence.com/whitepapers/cdc_wp.pdf h**p://www.edn.com/contents/images/310388.pdf or search for "clock domain crossing" Replace * by t
  11. papyaki

    How to simulate eye diagram in HSpice?

    eye diagram in hebrew Hi, See the Orcad's app. notes page : h**p://www.orcad.com/community.pspice.an.aspx Replace * by t
  12. papyaki

    Schematics of simple FM receivers

    Re: SIMPLE FM RECEIVER Hi, Free online book about radio receivers: h**p://www.mikroelektronika.co.yu/english/product/books/rrbook/rrbook.htm Replace * by t
  13. papyaki

    One more question about pspice model for transformer

    Hi, Have a look there : h**p://hem.passagen.se/communication/ifcan.html This link describes how IF transformer works Look at also this page h**p://hem.passagen.se/communication/quadcoil.html Replace * by t
  14. papyaki

    Where can I get Linux tutorials ?

    Re: Linux tutorials Hi, Link list to free downloadable linux books : h**p://www.linux.org/docs/online_books.html Replace * by t
  15. papyaki

    Where can I get transformer models for Spice simulation?

    Re: Transformer model Hi, look at these application note from Midcom : h**p://www.midcom-inc.com/tech/pdf/tn82.pdf h**p://www.midcom-inc.com/tech/pdf/TN69.pdf With some of the parameters given in datasheet, maybe the generic model described in tn82.pdf can help you. Regards Replace * by t
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