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| Approved by: Checked by: Issued by: SPECIFICATION PRODUCT: SAW FILTER MODEL: HF738901D (K7257D) SIP5D 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 : F738901D 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 AC voltage VDC Vpp 12 10 V V Between any terminals Between any terminals 2.2 Electrical Characteristics Characteristics in B/G,L/L' mode (switching input pin 2 connected to ground pin 3 ) Source impedance Load impedance Item Insertion attenuation Reference level Zs=50 ZL=2k//3pF Freq min 37.40MHz 14.5 4.5 -1.0 28.0 42.0 42.0 42.0 35.0 40.0 40.0 35.0 35.0 40.0 TA=25 typ 16.5 6.0 7.9 0.5 40.0 36.0 55.0 56.0 54.0 47.0 50.0 50.0 44.0 41.0 50.0 max 18.5 7.5 2.0 dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB 38.90MHz 33.90MHz 34.47MHz 33.40MHz 33.05MHz Relative attenuation 30.90MHz 31.90MHz 32.40MHz 40.15MHz 40.40MHz 41.40MHz 25.00~31.90MHz Sidelobe 40.40~45.00MHz Reflected wave signal suppression 1.2 us ... 6.0 us after main pulse (test pulse 250 ns , carrier frequency 37.40 MHz) Feedthrough signal suppression 1.2 us ... 6.0 us after main pulse (test pulse 250 ns , carrier frequency 37.40 MHz) Temperature coefficient 42.0 52.0 -72 dB ppm/k 2 Characteristics in M/N mode (switching input pin 2 connected to input pin 1 ) Source impedance Load impedance Item Insertion attenuation Reference level Zs=50 ZL=2k//3pF Freq 37.40MHz min 14.5 4.9 1.1 22.0 35.0 40.0 33.0 30.0 40.0 Typ 16.5 6.4 2.6 35.0 42.0 47.0 41.0 37.0 50.0 max 18.5 7.9 4.1 - TA=25 dB dB dB dB dB dB dB dB dB 38.90MHz 35.32MHz Relative attenuation 34.40MHz 32.90MHz 40.40MHz 25.00~32.90MHz Sidelobe 39.50~45.00MHz Reflected wave signal suppression 1.2 us ... 6.0 us after main pulse (test pulse 250 ns , carrier frequency 37.40 MHz) Feedthrough signal suppression 1.2 us ... 6.0 us after main pulse (test pulse 250 ns , carrier frequency 37.40 MHz) Temperature coefficient - 48.0 -72 dB ppm/k 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 Allowable change of absolute Level at center frequency(dB) <1.0 3 600-3300rpm 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 <1.0 Allowable change of absolute Level at center frequency(dB) <1.0 3.6 Frequency response Frequency response in B/G,L/L' mode 4 5 Frequency response in B/G,L/L' mode 6 7 |
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