Saraa
Member level 1
Hello Everyone,
I am working on a project which deals with PIC32 starter kit, I/O Expansion Board and an amplifier.. I am actually running the ADC10 code on my micro-controller and taking an Analog input from a function generator then display it on the computer...
According to my specifications, I am entering a sine wave with an amplitude of 10 mVp-p (offset = 0 mV, from -5.0 to 5.0 mV) and frequency is 50 Hz .. Since PIC32 doesn't deal with negative (-ve) values due to its internal reference voltage (0-3V), it shows an output of half sine waves which is correct and as expected...
However; using the amplifier by inputting those half sine waves result in producing complete sine waves?!!! is this correct or is it an abnormal behavior ?!! ... In other words, does the amplifier amplifies the signal and shift it ?!!!
Thanks...
~ Sara
I am working on a project which deals with PIC32 starter kit, I/O Expansion Board and an amplifier.. I am actually running the ADC10 code on my micro-controller and taking an Analog input from a function generator then display it on the computer...
According to my specifications, I am entering a sine wave with an amplitude of 10 mVp-p (offset = 0 mV, from -5.0 to 5.0 mV) and frequency is 50 Hz .. Since PIC32 doesn't deal with negative (-ve) values due to its internal reference voltage (0-3V), it shows an output of half sine waves which is correct and as expected...
However; using the amplifier by inputting those half sine waves result in producing complete sine waves?!!! is this correct or is it an abnormal behavior ?!! ... In other words, does the amplifier amplifies the signal and shift it ?!!!
Thanks...
~ Sara