Approved by: Checked by: Issued by: SPECIFICATION PRODUCT: SAW FILTER MODEL: HF538902N （K4960D） SIP5D HOPE MICROELECTRONICS CO.,LIMITED Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: [email protected] http://www.hoperf.com Page 1 of 1 1.Construction 1.1 Dimension and materials Type : F538902N 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 Between any terminals AC voltage Vpp 10 V Between any terminals 2.2 Electrical Characteristics Source impedance Zs=50Ω Load impedance ZL=2kΩ//3pF TA=25℃ Item Freq min typ max Insertion attenuation 38.90MHz 18.3 20.3 22.3 dB Reference level 39.65MHz 0.7 2.2 3.7 dB 32.40MHz -2.2 -0.7 0.8 dB 33.40MHz -2.1 -0.6 0.9 dB Relative attenuation 30.90MHz 32.0 45.0 dB 40.40MHz 30.0 40.0 dB 45.40MHz 32.0 48.0 dB 25.00~30.40MHz 31.0 38.0 dB Sidelobe 40.60~45.00MHz 30.0 39.0 dB Reflected wave signal suppression 1.3 us … 6.0 us after main pulse 42.0 52.0 dB (test pulse 250 ns , carrier frequency 38.90 MHz) Feedthrough signal suppression 1.4 us … 1.3 us before main pulse 45.0 54.0 dB (test pulse 250 ns , carrier frequency 38.90 MHz) Group delay predistortion (reference frequency 38.90 Mhz) 90 ns 36.90 Mhz 0 ns 34.47 Mhz Impedance at 38.90Mhz Input: Zin = Rin//Cin 1.4//21.3 kΩ//pF Output: Zin = Rin//Cin 4.8//5.2 kΩ//pF -72 ppm/k Temperature coefficient of frequency 2 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 Thermal shock < 1.0 -20℃==25℃==80℃ 20 cycle 30M 10M 30M Solder temperature test < 1.0 Sold temp.260℃ for 10 sec. Soldering More then 95% of total Immerse the pins melt solder area of the pins should be covered with 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 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