9-2
25.0
20.0
15.0
10.0
5.0
0
Frequency
Text Box: Attenuation (dB)
Attenuation (dB)
Four-pole filter
electrode arrangement
Two-pole filter and its response
Monolithic Crystal Filters
R. C. Smythe and R. S. Wagers, "Piezoelectric and Electromechanical Filters," in E. A. Gerber and A. Ballato, Precision Frequency Control, Vol. 1, pp. 185-269, Academic Press, 1985.

R. G. Kinsman, Crystal Filters, John Wiley & Sons, 1987.