1. SCOPE The 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: BF44A2D 4 5 14.5 0.54 2.54 3.5 5.8 HD 1.25 3.8 1 2 3 Pin configuration 1 Input 2 Input-ground 3 Chip carrier-ground 4 Output 5 Output 2.2. Circuit.
