Laboratory Manual - King Fahd University of Petroleum and Minerals
Laboratory Manual - King Fahd University of Petroleum and Minerals
Laboratory Manual - King Fahd University of Petroleum and Minerals
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This page to be submitted with the report<br />
Table I: Summary <strong>of</strong> h<strong>and</strong> calculations, SPICE simulation <strong>and</strong> experiment<br />
Circuit<br />
H<strong>and</strong><br />
Calculation<br />
SPICE<br />
Simulation<br />
Experimental<br />
Result<br />
DC gain<br />
LPF<br />
HPF<br />
Bilinear<br />
Function<br />
All-pass<br />
f o<br />
Att. at<br />
f =10f o<br />
HF gain<br />
f o<br />
Att. at<br />
f =0.1f o<br />
DC gain<br />
f o<br />
f z<br />
HF gain<br />
Gain<br />
Ang. at<br />
0.1f o<br />
Ang. at f o<br />
Ang. at<br />
10f o<br />
MINI-SYSTEM<br />
Individual design problem will be assigned by the lab instructor.<br />
Now, you should be able to combine the filter circuit <strong>of</strong> Figure 1 to design different<br />
frequency spectrum. Examples include:<br />
1. By cascading a first-order LPF with a first-order HPF one can provide a wideb<strong>and</strong><br />
b<strong>and</strong>-pass filter. Provide such a design for the case in which the midb<strong>and</strong> gain is 10 <strong>and</strong><br />
the 3 dB b<strong>and</strong>width extends from 100 Hz to 10 kHz. Select the input resistance to be<br />
10kΩ <strong>and</strong> equal value for the two capacitors.<br />
2. Design <strong>of</strong> b<strong>and</strong>stop filter using two Bilinear filters. This response can be achieved by<br />
implementing a transfer function such as<br />
3 4<br />
s10 s10<br />
T()<br />
s x .<br />
2 5<br />
s 10 s 10<br />
55
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