Question: A rejection network that can be used instead of the twin-T network of Example 8.4 is the bridged-T network shown in Figure P8.3. The transfer
A rejection network that can be used instead of the twin-T network of Example 8.4 is the bridged-T network shown in Figure P8.3. The transfer function of this network is
where
-1.png){kind=small}
Compute the bandwidth of the system for K - 1,2, and 10. As K increases, does the bandwidth increase or decrease?
-2.png)
FIGURE P8.3 Bridged-T network.
-3.png)
(can you show this?), where ωn2 = 2/LC,Q = ωn L/R1, and R2 is adjusted so that R2 = (ωnL)2/R1[3].
(a) Determine the pole-zero pattern and, using the vector approach, evaluate the approximate frequency response, (b) Compare the frequency response of the twin-T and bridged-T networks when Q = 10.
1CI5 3] V, R3 G(s)
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a The bridgedT network we found has zeros at j n and poles at The frequency respo... View full answer
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