TV and satellite varcap diodes - VHF tuning

Varicap diodes (or varactor or tuning diodes) are principally used as voltage controlled variable capacitors. These small devices play an important role in a host of RF applications from tuning, frequency multiplier and modulation, to couple elements in filters with controlled bandwidth, parametric amplification and switching in the VHF and microwave regions.

Go to the parametric search
Parametric search

Key features and benefits

  • Tight capacitance specifications
  • Complete portfolio covering broad frequency range and variety in package (including leadless)
  • Very low series resistance
  • Short leadtimes
  • Excellent linearity
  • Direct matching process
  • High capacitance ratio
  • Reliable volume supply
  • Excellent matching
  • Small tolerances

Key applications

  • Voltage Controlled Crystal Oscillators / Temperature Controlled Crystal Oscillators (VCXO/TCXO)
  • Voltage Controlled Oscillators (VCO)
  • Electronic TV tuning * Satellite and terrestrial Television tuners * DVD recorders
  • CDMA Cellular VCO with the BFG425W, BFG410W and Varactor BB142
  • FM radio tuning * Car radio * Mobile phones

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    Descriptive summary

    Varicap diodes line-up per frequency

    Many varicap diodes are or will be available in our new UTLP leadless package, look at our varicap portfolio in this chapter. Also more information on UTLP leadless packaging in Chapter X “Packing and Packaging”.

    A key product focus for NXP, our portfolio is very diverse and covers multitude of applications. For example, among the latest developments in low voltage varicap diodes is the BB202LX in the Ultra Thin Leadless Package (UTLP) SOD882T, which is ideal for electronic FM radio tuning and Voltage Controlled Oscillators (VCO) in mobile phones.

    Products

    Type numberDescriptionStatusQuick access
    BB131VHF variable capacitance diode Download datasheet
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    BB148VHF variable capacitance diode Download datasheet
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    BB152VHF variable capacitance diode Download datasheet
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    BB153VHF variable capacitance diode Download datasheet
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    BB170VHF variable capacitance diode Download datasheet
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    BB171VHF variable capacitance diode Download datasheet
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    BB172VHF variable capacitance diode Download datasheet
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    BB173VHF variable capacitance diode Download datasheet
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    BB173LX Download datasheet
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    BB175VHF variable capacitance diode Download datasheet
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    BB181VHF variable capacitance diode Download datasheet
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    BB184LXUHF variable capacitance diode Order sample
    BB187LXVHF variable capacitance diode Download datasheet
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    BBY40VHF variable capacitance diode Download datasheet
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    DIV Table experiment (Column Based)




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