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| China Electronics Technology Group Corporation No.26 Research Institute DIELECTRIC FILTER SPECIFICATION www.sipatsaw.com SIPAT Co., Ltd. Part Number: DF1775S50 1. MODEL NUMBER MODEL NUMBER. DF1775S50 CUSTOMER PART NO. 2. TEST CONDITION 2-1 TYPICAL CONDITION : -TEMPERATURE : 20 -HUMIDITY : 65%RH 2-2 STANDARD CONDITION : -TEMPERATURE :-40 to 85 -HUMIDITY : 45%RH to 85%RH 3. COMPOSITION AND MATERIAL NO. 3-1 3-2 3-3 3-4 RESONATOR NUMBER OF POLE IN/OUTPUT TERMINALS GROUND BASE NAME COMPOSITION AND MATERIALS DIELECTRIC MATERIALS 2 POLE Ag or Sn PLATED Ag or Sn PLATED 4. ELECTRICAL SPECIFICATIONS NO. 4-1 4-2 4-3 4-4 4-5 4-6 4-7 4-8 ITEM CENTER FREQUENCY(fo) BAND WIDTH INSERTION LOSS IN BW RIPPLE V.S.W.R IN BW ATTENUATION INPUT POWER NOMINAL CHARACTERISIC IMPEDANCE 1775.0MHz 25.0MHz 2.0dB max. 0.5dB max. 1.5 max. 30dB min. at fo+/-330MHz 1W 50 SPECIFICATIONS SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. DF1775S50 2005-9-21 1.0 Page 1/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute DIELECTRIC FILTER SPECIFICATION www.sipatsaw.com 5. APPEARANCES AND DIMENSIONS SIPAT Co., Ltd. Part Number: DF1775S50 1775 I/O I/O Tol:0.2 Unit:mm 6. RECOMMENDED REFLOW PAD IN/OUT PORT SOLDERING POINT GROUND SOLDERING POINT 7. REFLOW SOLDERING STANDARD CONDITIONS SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. DF1775S50 2005-9-21 1.0 Page 2/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute DIELECTRIC FILTER SPECIFICATION www.sipatsaw.com 8.CHARACTERISTICS SIPAT Co., Ltd. Part Number: DF1775S50 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. DF1775S50 2005-9-21 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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