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relay selection

Discussion in 'Electronic Design' started by JESSD, Nov 24, 2003.

  1. JESSD

    JESSD Guest

    I would like to use a relays to make a 4 x 1 HDTV video switch. Does
    it matter what type of relay I should use? I like the coto 9000
    series reed relays, but they are more expensive (~$2.00-3.00) than
    some other ones I have found. The other ones I have looked at are
    some cheap OEG/Tyco relays for about 0.50 each.

    I'm thinking the expensive relays are overkill. HDTV bandwidth is
    ~30-40 MHz so I wouldn't think I need specialized RF relays. Any
    opinions?

    Also, do you think it is necessary to terminate the non selected
    inputs of the switch or just leave them open? Terminating could
    result in less crosstalk or feed-through but is it that much anyways?

    any responses are appreciated!

    Thanks,

    Jessie
     
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