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: BF36A2D 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) 3 . 8 1 . 2 5 14.5 2.54 0.54 5 . 8 3 . 5 1 2 3 4 5 pin configuration 1 input 2 input-ground 3 chip carrier-ground 4 output 5 output hd 0b
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 : 15c to 35c relative humidity : 25% to 85% air pressure : 86kpa to 106kpa operating temperature rang operating temperature rang is the rang e of ambient temperatures in which the filter can be operated continuously. - 10c ~ +60c storage temperature rang storage temperature rang is the rang e of ambient temperatures at which the filter can be stored without damage. conditions are as specified elsewhere in these specifications. - 40c ~ +70c reference temperature +25c 3.1 maximum rating dc voltage vdc 12 v between any terminals ac voltage vpp 10 v between any terminals
3.2 electrical characteristics source impedance zs=50ohm load impedance z l =2kohm//3pf t a =25c item freq mi n typ max center frequency fo - 36.00 - mhz insertion attenuation reference level 36.00mhz 19.0 21.0 23.0 db b 1.5db - 7.8 - mhz b 3db - 8.1 - mhz b 15db - 8.9 - mhz pass bandwidth b 30db - 9.4 - mhz 31.65mhz 7.0 10.0 - db 40.35mhz 7.0 10.0 - db 31.30mhz 22.0 29.0 - db relative attenuation 47.81mhz 22.0 29.0 - db 25.00~31.00mhz 32.0 40.0 - db sidelobe 41.00~45.00mhz 30.0 38.0 - db temperature coefficient - 72 ppm/k 3.3 environmental performance characteristics item test condition allowable change of absolute level at center frequency (db) high temperature test 70c 1000h < 1.0 low temperature test - 40c 1000h < 1.0 h umidity test 40c 90- 95% 1000h < 1.0 thermal shock - 20c==25c==80c 20 cycle 30m 10m 30m < 1.0 solder temperature test sold temp.260c for 10 sec. < 1.0 soldering immerse the pins melt solder at 260c+5/- 0c for 5 sec. more then 95% of total area of the pins should be covered with solder 3.4 mechanical test item test condition allowable change of absolute level at center frequency (db) vibration test 600- 3300r pm amplitude 1.5mm 3 directions 2 h each <1.0 drop test on maple plate from 1 m high 3 times <1.0 lead pull test pull with 1 kg force for 30 seconds <1.0 lead bend test 90 o bending with 500g weigh 2 times <1.0
3.5 voltage discharge test item test condition allowable chan ge of absolute level at center frequency (db) surge test between any two electrode <1.0 3.6 frequency response
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