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circuit for switching imputs.

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gsipes1

New Member
I would like to build a circuit that will allow two imputs such as a walkman device etc. that will allow one of the devices to flow through but when it sees a signal from an other unit such as a ham radio it will switch to that imput until the signal stops and then return to the original unit. I suspect that there are stock circuits but this seems the best place to start looking.
Anyone have any good ideas as to how the start.

george
 

GregB

New Member
audio switching

Go to JAYCAR order kit KC5172. Cost is about A$ 15.00 plus postage.
Works fine. Been using it for two years. May need to change relay depending on your requirements
Reagrds
Greg
 

dipal_z

New Member
The challenge here is detection of the signal once its done rest is piece of cake, so the solution depends on what type of signal you want to detect.
 
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