Why i am not able to see my Filter output? | Cypress Semiconductor
Why i am not able to see my Filter output?
Hello Every One,
I am again having a problem and i don't know why :(
The Program is very simple:
I build a program for a Bridge. What i am doing is described below:
1. I am using a waveDAC in order to excite my bridge.
2. output of the bridge is comming into a 12-Bit SAR ADC.
3. output of the ADC if going to the LPF.
4. LPF output is being written into DAC.
Problem: The problem is that my final output is not correct. I am feeding a 10 Khz signal and my cuttoff frequency is 15Khz. But i am not getting a sine signal as i supposed to get.
I also attached and output pic and my program file.
Yellow wave: Excitation Signal.
Purple or Pink Wave: Signal entering into ADC.
Blue Wave: Filter Output seeing through DAC Ch1.
Looking forward for your suggestions!