T
trickyrick
Guest
How would I get a relay to operate with the ringing voltage on the
phone line
Rick
phone line
Rick
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http://www.google.com/images?q=am-detector+mtmscientificHow would I get a relay to operate
with the ringing voltage on the phone line
start with a relay having about 1800 ohms coil resistanceHow would I get a relay to operate with the ringing voltage on the
phone line
Rick
You have to detect 90 volts ac. Not hard to do.How would I get a relay to operate with the ringing voltage on the
phone line