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| SIPAT Co.,Ltd Features * For 3G base station applications * Usable bandwidth of 9.8 MHz * High attenuation * Ceramic Surface Mount Package (SMP) * Small size www.sipatsaw.com China Electronics Technology Group Corporation No.26 Research Institute SP38003 MHz SAW Filter Electrical Characteristic Package Pin Configuration Surface Mount 7.01 x 5.0 x 1.48 mm : 12 6 10 4 3,9 1,2,7,8 Input Output Balanced input or input ground Balanced output or output ground Case ground Not connected Dimensions shown are nominal in millimeters All tolerances are +/-0.15mm except overall length and width +/-0.13mm Body: Al2O3 eramic Lid: Kovar, Ni plated Terminations: Au plating 0.5 -1.0um, over a 2 - 6um Ni plating P.O. Box 2513 Chongqing, China 400060 Tel:+86-23-62920684 Fax:62805284 E-mail: sawmkt@sipat.com SIPAT Co.,Ltd Electrical Specifications Parameter Center Frequency, Fc Insertion Loss at 380 MHz Bandwidth at -1.0 dB (reference is loss at Fc) Bandwidth at -3.0 dB (reference is loss at Fc) www.sipatsaw.com China Electronics Technology Group Corporation No.26 Research Institute Unit MHz dB MHz MHz Minimum 9.2 9.8 Typical 380 23 10.25 11.49 Maximum 25 - Template on the amplitude, reference is loss at Fc Attenuation at 370 MHz Attenuation at 372.5 MHz Attenuation at 387.5 MHz Attenuation at 390 MHz Stopband rejection dB dB dB dB 35 15 15 35 42 40 40 45 - from 10 MHz to 300 MHz from 300 MHz to 340 MHz from 340 MHz to 360 MHz from 395 MHz to 410 MHz from 410 MHz to 440 MHz from 440 MHz to 600 MHz Amplitude ripple within Fc 4.6 MHz Group delay variation within Fc 4.6 MHz Operating Temperature Range dB dB dB dB dB dB 25 40 45 40 35 25 - 40 50 50 48 50 40 0.7 20 -30 to +85 C O 1.0 150 dBp-p nsec O C Notes: 1. All specifications are based on the test circuit shown below 2. Electrical margin has been built into the design to account for the variations due to manufacturing tolerances 3. Relative to Insertion loss at 380 MHz 4. This specification is valid for room temperature only Matching Schematic L1=33nH Notes: Actual matching values may vary due to PCB layout and parasitics P.O. Box 2513 Chongqing, China 400060 Tel:+86-23-62920684 Fax:62805284 E-mail: sawmkt@sipat.com SIPAT Co.,Ltd Typical Performance ( www.sipatsaw.com China Electronics Technology Group Corporation No.26 Research Institute at +25oC) -23.4748 -33.4748 -43.4748 Magnitude(dB) -53.4748 -63.4748 -73.4748 -83.4748 -93.4748 -103.4748 340 350 360 370 380 390 Frequency(MHz) 400 410 420 -22 -22.5 -23 -23.5 Magnitude(dB) -24 -24.5 -25 -25.5 -26 370 372 374 376 378 380 382 Frequency(MHz) 384 386 388 390 P.O. Box 2513 Chongqing, China 400060 Tel:+86-23-62920684 Fax:62805284 E-mail: sawmkt@sipat.com |
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