VSF45A2M

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 : VSF45A2M 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) 2.2. Circuit construction, measurement circuit 3.Characteristics Standard atmospheric conditions Unless otherwise specified , the standard rang of atmospheric conditions for making measurements and tests is as follows; Ambient temperature : 15¡æ to 35¡æ Relative humidity : 25% to 85% Air pressure : 86kPa to 106kPa Operating temperature rang Operating temperature rang is the rang of ambient temperatures in which the filter can be operated continuously. -10¡æ ~ +60¡æ Storage temperature rang Storage temperature rang is the rang of ambient temperatures at which the filter can be stored without damage. Conditions are as specified elsewhere in these specifications. -40¡æ ~ +70¡æ Reference temperature +25¡æ 3.1 Maximum Rating DC voltage VDC 12 V AC voltage Vpp 10 V 3.2 Electrical Characteristics Source impedance Zs=50¦¸ Load impedance ZL=2k¦¸//3pF Item Freq min Insertion attenuation 45.82MHz 14.6 Reference level 46.57MHz 3.3 41.39MHz -1.5 39.32MHz -1.7 Relative attenuation 41.31MHz -1.7 ...