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1.SCOPE
SHOULDER’ s SAW filter series have broad line up products meeting all broadcast standard including NTSC,PAL and SECAM systems. These filters are composed of two interdigital transducers on a single-crystal. piezoelectrical chip. they are used in electronic equipments such as TV and so on.
2.Construction
2.1 Dimension and materials Type : BF44A1D
14.0
HD BF44A1D
1 0.54 2.54
1.25
0B
5
4.0
5.8
3.0
1
2
3
4
5
Pin configuration
1 Input 2 Input-ground 3 Chip carrier-ground 4 Output 5 Output
2.2. Circuit construction, measurement circuit
3.
BF44A1D Datasheet
