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Analog Switch Usage in a Notebook PC Docking Bay

FSAV330 Quad SPDT Video Switch:

Key Switch Specifications:

  • Ron: 3 ohm typical at 4.5V
  • Bandwidth: 300MHz minimum
  • Cross-talk: -58db for 150 ohm load at 10MHz
  • Differential gain: 0.64% Differential Phase: 0.1 degree

Applications & Advantage

  • Note Book Computer Design
  • Eliminate the expensive and redundant graphics chip on the docking bay Ultra low RON of FSAV330 eliminates the need for extra video buffer due to the fact of such a small signal attenuation
  • Ultra low differential gain and phase maintains video signal integrity

FSAL200 10/100 Base-T Ethernet Switch

Key Switch Specification:

  • -3db bandwidth: 350MHz
  • Crosstalk: -70db at 30MHz
  • On capacitance: 15pf

Advantage:

  • Eliminate expensive and redundant Ethernet PHY on docking bay
  • Low On capacitance and high bandwidth is desirable to minimize the signal edge distortion. Superior crosstalk performance further enhances the signal integrity
  • Wide bandwidth is desirable to minimize the additive deterministic jitter
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        © 2008 Fairchild Semiconductor    
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Space Last updated: May 17, 2007