SHOULDER ELECTRONICS LIMITED 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 Manufacturer’ s name : SHOULDER ELECTRONICS Co.
LTD(CHINA) Type : IF389A7D 0: year(0,1,2,3,4,5,6,7,8,9) B:product in this quarter(A:1~3,B:4~6,C:7~9,D:10~12) 1 SHOULDER ELECTRONICS LIMITED 2.
2.
Circuit construction, measurement circuit 3.
Characteristics Standard atmospheric conditions Unless otherwise specified , the stand...

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