CLC446 National Semiconductor, CLC446 Datasheet - Page 10

• Manufacturer Part Number: CLC446
• Description: 400MHz/ 50mW Current-Feedback Op Amp
• Manufacturer: National Semiconductor

http://www.national.com
Figure 12 shows the ideal response of this filter. Some
methods to bring actual performance closer to this
ideal are:
Figure 12: Ideal Elliptic Filter Frequency Response
Compensate for op amp delay effects
(pre-distortion)
Adjust for parasitic capacitances in the layout
Use components with small tolerances
Add trim capacitors
-10
-20
-30
-40
20
10
0
1M
10M
Frequency (Hz)
100M
1G
10
References:
[1] Anatol I. Zverev, Handbook of FILTER
[2] Arthur B. Williams and Fred J. Taylor,
SYNTHESIS , John Wiley & Sons, 1967,
p. 177
Electronic Filter Design Handbook ,
McGraw Hill, 1995, pp. 3-29 to 3-31.