Flicker noise: I’d like to plot the graph of the flicker noise found in the data sheet for the amplifier (will be provided later) and also generate the equation for that graph showing the coefficient for each term . Beside, please note that graph is in log scale.
Secondly, I’ll send you the code for the TRANSFER FUCTION I already did in Matlab and I want you to use the equation to FIND the INTEGRATION of the two equations ( flicker noise x Transfer function) and plot the graph for the multiplications of the two equations. Or you can write another code (if that’s easier for you) for the transfer function of the bandpass filter with the following specifications :
Unnormalized Chebyshev-I analogue filter:
Selectivity: Bandpass
Implementation: Analogue
Order: 4th-order

pass band frequency 1 =300Hz
pass band frequency 2 =3000Hz
stop band frequency 1 =100Hz
stop band frequency 2 =9000Hz
apass=-1dB
astop=-22dB

Last part, I’d like you to implement the transfer function into real components (resistors and capacitors) using Psipice and build up Bandpass filter Sallen Key 4th order circuit, then make sure that both graph and central frequency are the same for the two cases ( transfer function Matlab and the Psipace version).
Important points to take into consideration:
- The code must be fully commented with explanation of every function and line of the code as much as possible. So it’s easy to follow and readable
- The frequency to work with is 4500Hz and Bandwidth 100Hz

Posted Date: 4/2/2013 3:38:12 PM | Location : United Kingdom

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