SAW Components
SAW IF filter
B1727
76.50 MHz
Data sheet
Matching network1) (based on four port measurement, quality factors QL = 40, QC = 90)
Cs1 Cs4
Cs1 = 12 pF
p2 = 220 nH
L
Lp2
Lp3
Lp3 = 680 nH
Cs4 = 5.6 pF
Cs1
Cs4
1) The input matching circuit has been designed as a power match of the filter’s input port to 175 Ω. In a second step
it has been optimized in a narrow range in order to operate at 27 Ω with optimum filter performance.
Please read cautions and warnings and
important notes at the end of this document.
4
February 19, 2010
EPCOS [ EPCOS ]
