SAW Components
SAW IF filter
Data sheet
B1708
72.54 MHz
Matching network1) (based on four port measurement, quality factors QL = 40, QC = 90)
Cs1
Lp2
Cs4
Lp3
Cs1 = 20 pF
Lp2 = 220 nH
Lp3 = 620 nH
Cs4 = 3.6 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 May 16, 2006