Need Help > Frequency Modulation Varactor Diode

Discussion in 'Wireless & RF Design' started by Awais90, May 1, 2011.

  1. Awais90

    Thread Starter New Member

    May 1, 2011
    3
    0
    Hi Guyz, :D

    This is mine first post on this form i need help in fm thru varactor diode ;)

    I have to implemenet it in some hours n i need help with names of some of the varactor diodes that are commonly used in fm :)

    i need those var diodes which are available in multisim 11 if u r not sure that it will work 100% :rolleyes:

    please i got no time hope u understand as i hav waisted alot time already as some of the var diodes were not in the market :mad:

    please help :eek:
     
  2. Awais90

    Thread Starter New Member

    May 1, 2011
    3
    0
    Please Help i got very less time any live chat with experts ?
     
  3. bertus

    Administrator

    Apr 5, 2008
    15,646
    2,344
    Hello,

    Here is a list of varicap diodes:

    Code ( (Unknown Language)):
    1.  
    2. Varicap Dioden
    3. BA102       6,50 special
    4. BB105G      0,95 2-6 pF
    5. BB121       0,75 2-12 pF UHF
    6. BB221       0,67 1,8-11 pF UHF
    7. BB329       0,57 3-35 pF
    8. BB521       0,55 2-11 pF UHF
    9. BB529       0,79 10-50 pF Lineair
    10. BB531       0,79 3-35 pF
    11. BB609A      0,85 3-33 pF
    12. BB622       0,57 1,8-11 pF UHF SMD
    13. BB629       0,85 3-35 pF
    14. BB701       0,80 0,8-8 pF SMD
    15. BB801       0,80 1-9 pF SMD
    16. BB804       0,75 dubbel5-45 pF SMD
    17. BB814       0,59 dubb.10-45 pF SMD
    18. BBY31       0,75 2-15 pF SMD
    19. ZC111       0,25 5-33 pF Budget
    20.  
    This list is from my local dutch supplier with prices in euro's.

    Bertus
     
  4. Awais90

    Thread Starter New Member

    May 1, 2011
    3
    0
    I am using BB109 or MV109 availabale easily here :)

    i need a circuit diagram which dont uses an ic after lc tank :cool:

    no ic used in circuit just varactor,capacitors,resistors,inductor n supply ;)
     
  5. Audioguru

    New Member

    Dec 20, 2007
    9,411
    896
    Tell your teacher that FM radios have used ICs for about 40 years.
    The varactor diodes that you can find are very old and are obsolete.
    It is too bad that "your market" does not have any modern parts.
    Multisim doesn't know about any modern parts.
     
  6. radiohead

    Active Member

    May 28, 2009
    474
    31
  7. radiohead

    Active Member

    May 28, 2009
    474
    31
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