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IF389B1M

SHOULDER ELECTRONICS
Part Number IF389B1M
Manufacturer SHOULDER ELECTRONICS
Description SAW filter
Published Sep 4, 2014
Detailed Description 1.SCOPE SHOULDER’ s SAW filter series have broad line up products meeting all broadcast standard including NTSC,PAL and ...
Datasheet PDF File IF389B1M PDF File

IF389B1M
IF389B1M

Overview
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 : HAODA ELECTRONICS Co.
LTD(CHINA) Type : IF389B1M 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 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 2 DC voltage VDC 12 V AC voltage Vpp 10 V 3.
2 Electrical Characteristics Source impedance Zs=50¦¸ Load impedance ZL=2k¦¸//3pF Items Insertion attenuation Reference level Freq 37.
4MHz Min 16.
1 4.
2 2.
3 18.
8 19.
4 44.
0 42.
0 42.
0 35.
0 35.
0 typ 17.
6 5.
7 3.
8 20.
3 20.
9 58 52 50 45 42 -72 Between any terminals Between any terminals T A=25¡æ max 19.
1 7.
2 5.
3 dB dB dB dB dB dB dB dB dB dB Ppm/k 38.
9MHz 34.
47MHz 32.
4MHz Relative attenuation 33.
4MHz 30.
9MHz 40.
4MHz 41.
4MHz 25.
00~30.
90MHz Sidelobe 40.
40~45.
00MHz Temperature coefficient 3.
3 Environmental Performance Characteristics Item Test condition Allowable change of absolute Level at center frequency(dB) High temperature test < 1.
0 70¡æ 1000H Low temperature test < 1.
0 -40¡æ 1000H Humidity test < 1.
0 40¡æ 9095%...


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