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| Approved by: Checked by: Issued by: SPECIFICATION PRODUCT: SAW FILTER MODEL: HF38903M G1962M SIP5K HOPE MICROELECTRONICS CO.,LIMITED Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com Page 1 of 1 1.Construction 1.1 Dimension and materials Type : F38903M 1.2. Circuit construction, measurement circuit 2.Characteristics Standard atmospheric conditions Unless otherwise specified , the standard rang of atmospheric conditions for making measurements and tests is as follows; Ambient temperature : 15 to 35 Relative humidity : 25% to 85% Air pressure : 86kPa to 106kPa 1 Operating temperature rang Operating temperature rang is the rang of ambient temperatures in which the filter can be operated continuously. -10 ~ +60 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 ~ +70 Reference temperature +25 2.1 Maximum Rating DC voltage VDC 12 V AC voltage Vpp 10 V 2.2 Electrical Characteristics Source impedance Zs=50 Load impedance ZL=2k//3pF Items Insertion attenuation Reference level Freq 37.40MHz Min 14.8 4.4 0.8 17.9 40.0 40.0 42.0 40.0 40.0 35.0 35.0 typ 16.8 5.9 2.3 19.9 55.0 50.0 54.0 52.0 54.0 43.0 40.0 -72 Between any terminals Between any terminals TA=25 max 18.8 7.4 3.8 21.9 dB dB dB dB dB dB dB dB dB dB dB Ppm/k 38.90MHz 34.47MHz 33.40MHz 30.90MHz Relative attenuation 31.90MHz 32.40MHz 40.40MHz 41.40MHz 25.00~31.90MHz Sidelobe 40.40~45.00MHz Temperature coefficient 2.3 Environmental Performance Characteristics Item Test condition Allowable change of absolute Level at center frequency(dB) High temperature test < 1.0 70 1000H Low temperature test < 1.0 -40 1000H Humidity test < 1.0 40 90-95% 1000H 2 Thermal shock -20==25==80 20 cycle 30M 10M 30M Solder temperature test Sold temp.260 for 10 sec. Soldering Immerse the pins melt solder at 260+5/-0 for 5 sec. 2.4 Mechanical Test Item Test condition Vibration test 600-3300rpm amplitude 1.5mm 3 directions 2 H each Drop test On maple plate from 1 m high 3 times Lead pull test Pull with 1 kg force for 30 seconds Lead bend test 90o bending with 500g weigh 2 times 2.5 Voltage Discharge Test Item Test condition Surge test Between any two electrode < 1.0 < 1.0 More then 95% of total area of the pins should be covered with solder Allowable change of absolute Level at center frequency(dB) <1.0 <1.0 <1.0 <1.0 Allowable change of absolute Level at center frequency(dB) <1.0 3 2.6 Frequency response 4 |
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