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| KFM220M Datasheet, PDF (2/3 Pages) KEC(Korea Electronics) – SPECIFICATIONS FOR SAW FILTER(BAND PASS FILTERS FOR KOREAN PCS IF STAGE) | |||
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KFM220M
TEST CIRCUIT
Matching Circuit (50 ohm single ended source / 50 ohm single ended load)
Circular Index Mark
RS
50 Ohm
ES
L1
C1
1 23
12
4
11
5
10
6
9 87
L2
C1
L1=100nH (Q1>60) , C1=36pF.
L2=100nH (Q2>60) , C2=36pF.
RL
50 Ohm
Matching Circuit (50 ohm single ended source / 500 ohm balanced load)
RS
50 Ohm
ES
Circular Index Mark
L1
C1
1 23
12
4
11
5
10
6
9 87
500 Ohm
C2 1 : 10
L2
C3
RL
500 Ohm
L1=100nH (Q1>60) , C1=36pF.
L2=100nH (Q2>60) , C2=2.4pF C3=2.4pF.
2001. 12. 14
Revision No : 1
2/3
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