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Bob Pospisil

Bob Pospisil is a principal engineer with the Analog Signal Processing Products Group at Intersil Corp., Milpitas, Calif. He received a BSEE from the Florida Institute of Technology, Melbourne.


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  • Single-Supply DC Restore Amp Reestablishes Negative Sync

    By Bob Pospisil, September 01, 2006

    Video systems operating from single +5-V supplies use ac-coupled RGB and composite video signals that operate only within the useful dynamic range of the single-supply amplifiers in the signal chain. For example, if a single +5-V supply rail-to-rail am

  • Triple Video Mux-Amp Doubles As A/V Source Selector

    By Bob Pospisil, February 16, 2006

    The increasing number of audio and video sources (VCR, DVD, set-top box, etc.) in a typical home-entertainment system requires a simple way to select the desired source. The add-on mechanical switches available today are bulky and prone to contact wear,