VSF389A1M

1.SCOPE SAW filter series have broad line up products me eting all broadcast standard including NTSC, PAL and SECAM systems. These filters are composed of two inter digital transducers on a single-crystal. piezoelectrical chip. They are used in electronic equipments such as TV and so on. 2.Construction 2.1 Dime nsion and materials Type : VSF389A1M 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 AC voltage VDC Vpp 12 10 V V Between any terminals Between any terminals 3.2 Electrical Characteristics Source impedance Load impedance Item Nominal frequency Insertion attenuation Relative attenuation (relative to¦Á N) Zs=50¦¸ ZL= 50¦¸ min 32.9 32.0 -1.4 -1.3 1.3 22.0 30.0 35.0 30.0 28.0 typ 38.90 34.9 40.0 0.1 0.2 3.3 25.0 40.0 42.0 38.0 37.0 -87 T A=25¡æ max 36.9 1.6 1.7 5.3 MHz dB dB dB dB dB dB dB dB dB Ppm/k Freq fN ¦Á N 31.90MHz 33.15MHz ...