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Sep 12, 2016
10:33 AM
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Sep 12, 2016
10:33 AM
Is there any way to connect two analog multiplexers together directly? I'm trying to build a conductivity meter that inverts the drive and sense terminals, and creator is complaining that the analog muxes are connected without another component.
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PSoC 5LP
3 Replies
Sep 12, 2016
11:37 AM
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Sep 12, 2016
11:37 AM
Look at Amux_1 input number 1. This signal is connected to the other mux Amux_3 input number 0. So this signal is connected to two (2) inputs but no signal drives it.
Bob
Sep 12, 2016
11:50 AM
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Sep 12, 2016
11:50 AM
Are the Amuxes asymmetric? In principle, the Pin5 current would drive input 1back into Amux3 and then to the buffer and SAR. I guess I'm looking at this conceptually as a bidirectional attachment.
Sep 12, 2016
12:21 PM
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Sep 12, 2016
12:21 PM
jasonkahana, Analog Mux inputs can only connect to input terminals, nothing else. Use modulators internally. To invert polarity use ADC_DelSig in differential mode + modulation Input.