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Ring Detector Chip — Parallax Forums

Ring Detector Chip

ArchiverArchiver Posts: 46,084
edited 2002-06-18 00:18 in General Discussion
Hello,

does anyone know if a DIP package chip exists which can detect a ring
on the telephone line ?

thanks,

Vince

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2002-06-17 21:14
    At 07:54 PM 6/17/2002 +0000, you wrote:
    >Hello,
    >
    >does anyone know if a DIP package chip exists which can detect a ring
    >on the telephone line ?
    >
    >thanks,
    >
    >Vince
    >
    >Hi Vince -

    You might want to look into a circuit like the one shown in the link below:
    http://www.uslink.net/~cybercir/cir19.htm

    Regards,

    Bruce Bates
  • ArchiverArchiver Posts: 46,084
    edited 2002-06-18 00:18
    yes,you can use any opto-coupler with resistor and capacitor in serie.
    Original Message
    From: "enzom2000" <vincent.mansueto@s...>
    To: <basicstamps@yahoogroups.com>
    Sent: 17. lipanj 2002 21:54
    Subject: [noparse][[/noparse]basicstamps] Ring Detector Chip


    > Hello,
    >
    > does anyone know if a DIP package chip exists which can detect a ring
    > on the telephone line ?
    >
    > thanks,
    >
    > Vince
    >
    >
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