Click to expand full text
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.
IF389A7D Datasheet
