Electronics > Beginners
switching/routing data signals only ddoable with relays?
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somuchtyler:
Lets say I am working on a project that requires me to switch between 5 different headphone jack sources to one headphone. The only way to accomplish this is to use a set of two relays per source and design my project to power on the set of relays of the source that i want to listen to?
My question is, is this only achievable through relays? Is there a less expensive option?
Wimberleytech:
--- Quote from: somuchtyler on December 04, 2018, 10:38:30 pm ---Lets say I am working on a project that requires me to switch between 5 different headphone jack sources to one headphone. The only way to accomplish this is to use a set of two relays per source and design my project to power on the set of relays of the source that i want to listen to?
My question is, is this only achievable through relays? Is there a less expensive option?
--- End quote ---
There are many ways to do this. Take a look at MAX4908. Maybe use two of them? You could roll your own with FETs/analog mux circuits.
Paul Moir:
Can or do the sources share a common ground? That's really going to drive the design.
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