HexInverter
New Member
First of all, hello! I've been a long time lurker here but am just beginning to post now.
I am designing a circuit in which a CD4052 analog multiplexer is controlled with a PIC microcontroller.
Any number of 4 of the CD4052's inputs can be connected at any given time. The PIC controls the multiplexer and inputs the multiplexer's output to an ADC channel.
For this reason, Schottky diode protection is necessary on the ADC input (and thus the CD4052's output)
Anyhow, my circuit is behaving pretty poorly and not producing the right voltage results on the multiplexer output.
Here is the test schematic I am using to try and debug this issue, please let me know if anything you spot is wrong! This is exactly how it exists on my breadboard at the moment.
The CD4052's A/B inputs are selecting x0 as the current output at pin13 (X output) -- there is a voltage there, however it is wrong.
Thanks in advance for any assistance. It is most appreciated as I have nobody locally that can take a look...
I am designing a circuit in which a CD4052 analog multiplexer is controlled with a PIC microcontroller.
Any number of 4 of the CD4052's inputs can be connected at any given time. The PIC controls the multiplexer and inputs the multiplexer's output to an ADC channel.
For this reason, Schottky diode protection is necessary on the ADC input (and thus the CD4052's output)
Anyhow, my circuit is behaving pretty poorly and not producing the right voltage results on the multiplexer output.
Here is the test schematic I am using to try and debug this issue, please let me know if anything you spot is wrong! This is exactly how it exists on my breadboard at the moment.
The CD4052's A/B inputs are selecting x0 as the current output at pin13 (X output) -- there is a voltage there, however it is wrong.
Thanks in advance for any assistance. It is most appreciated as I have nobody locally that can take a look...
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