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  1. M

    Hello, can somebody help wich transistor is like bfg520

    is working so I change 220p 220p do you know why i cant get clear waveform sine?
  2. M

    Hello, can somebody help wich transistor is like bfg520

    I did it 47p and 100p connected to resistor 1
  3. M

    Hello, can somebody help wich transistor is like bfg520

    i gonna send you tomorow the schematic i go to seep
  4. M

    Hello, can somebody help wich transistor is like bfg520

    Thank you a loottts for time and help thanks
  5. M

    Hello, can somebody help wich transistor is like bfg520

    what to do? can you tell wich value to set to capacitors and i wanna try please, do you rembmember you said in parallell
  6. M

    Hello, can somebody help wich transistor is like bfg520

    No sir
  7. M

    Hello, can somebody help wich transistor is like bfg520

    i make also parallel, but no success
  8. M

    Hello, can somebody help wich transistor is like bfg520

    LOCAL OSCILLATOR
  9. M

    Hello, can somebody help wich transistor is like bfg520

    Hello, this simetrix element, and i build the circuits but i get error dcop(error) i cant simulate, if you want i can send you my file to you, everything is build just to test to simulate
  10. M

    Hello, can somebody help wich transistor is like bfg520

    Sir are you here i download the software and i build circuit, but is not working maybe you have more experience with that software
  11. M

    Hello, can somebody help wich transistor is like bfg520

    No No i can give the site where i take it, but is not working
  12. M

    Hello, can somebody help wich transistor is like bfg520

    Audioguru are you here somewhere
  13. M

    Hello, can somebody help wich transistor is like bfg520

    Bob i wil like to ask you did i make mistake in circuits wich i buid it
  14. M

    Hello, can somebody help wich transistor is like bfg520

    Like i understand in book, they must pass 88 to 108Mhz, that the purpose of this circuits, is special for fm SUPERHETERO tuner
  15. M

    Hello, can somebody help wich transistor is like bfg520

    I change but i dont know wich value to put to cc and co
  16. M

    Hello, can somebody help wich transistor is like bfg520

    thnx Audioguruu, one more question, is varactor diode to tune the frequency, why he does not change the frequency
  17. M

    Hello, can somebody help wich transistor is like bfg520

    oooo AudiGuru, you make to smile, i ask for my, did i make mistake of where haha i take it from here, if you can help me
  18. M

    Hello, can somebody help wich transistor is like bfg520

    Can you look maybe my oscillator os if its correct i go to download the software
  19. M

    Hello, can somebody help wich transistor is like bfg520

    I wis use but i am not sure anymore did i make a circuit without mistake, because in picture on document where found , it was no good picture
  20. M

    Hello, can somebody help wich transistor is like bfg520

    Thnx for help but i use LTSPICE and multisim
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