RFM products are now Murata products. SF1182B RF Filter for Mobile Communication Applications Low Insertion Loss 836.5 MHz 3.0 x 3.0 x 1.3 mm Surface-Mount Case No Matching Circuit Required SAW Filter Absolute Maximum Ratings Rating Value Units Maximum Incident Power in Passband +10 dBm Maximum DC Voltage Between any 2 Terminals 0 VDC Storage Temperature Range -40 to +85 C Maximum Soldering Profile 265 C for 10 s SM3030-6 Characteristic Sym Notes Min Typ Max Units Nominal Operating Frequency f1836.5 MHz C Insertion Loss, 824-849 MHz IL 2.1 3.0 dB Amplitude Ripple, p-p, 824-849 MHz 1.2 2.0 Attenuation Referenced to IL: DC to 800 MHz 1, 2, 3 23 26 869 to 894 MHz 29 32 dB 978 to 1006 MHz 25 28 1050 to 2500 MHz 15 18 VSWR, 824-849 MHz 1.8:1 2.3:1 Source impedance Z 50 S Load impedance Z 50 L Operating Temperature T 1-30 +85 C A Single Ended Input / Output, Impedance match No matching network required for operation at 50 ohms Case Style SM3030-6 3 x 3 mm Nominal Footprint Lid Symbolization (YY=year, WW=week, D=day) 448 YWWS NOTES: 5. The design, manufacturing process, and specifications of this filter 1. Unless noted otherwise, all specifications apply over the operating are subject to change. temperature range with filter soldered to the specified demonstration 6. Either Port 1 or Port 2 may be used for either input or output in the board with impedance matching to 50 and measured with 50 net- design. However, impedances and impedance matching may vary work analyzer. between Port 1 and Port 2, so that the filter must always be installed 2. Unless noted otherwise, all frequency specifications are referenced to in one direction per the circuit design. the nominal center frequency, fc. 7. US and international patents may apply. 3. Rejection is measured as attenuation below the minimum IL point in 8. Murata, stylized Murata logo, and Murata N.A., Inc. are registered the passband. Rejection in final user application is dependent on trademarks of Murata Manufacturing Co., Ltd. PCB layout and external impedance matching design. See Applica- 9. Electrostatic Sensitive Device. Observe precautions for handling. tion Note No. 42 for details. 4.LRI or after the part number indicateslow rate initial produc- tio andEN or indicatesengineering prototypes 2010-2014 by Murata Electronics N.A., Inc. SF1182B (R) 3/19/14 Page 1 of 4 www.murata.comElectrical Connections 50 pin 2 pin 5 Connection Terminals SAW Filter 50 TOP VIEW Input 2 Output 5 All Others Ground All others Filter Response Plots 10 Aug 2012 07:19:22 10 Aug 2012 07:14:18 CH1 S21 LOG 10 dB/ REF -30 dB 1 : 0 . 0000 dB 0 . 000 000 MHz CH1 S21 LOG 10 dB/ REF -30 dB 1 : -1 . 2076 dB 831 . 000 000 MHz CH1 PASS SF1182B SF1182B passband rejection CH1 Markers Max REF=1 Max BW : 37 . 813978 MHz 1 Cor 1 cent : 836 . 981789 MHz 2 Q: 22 . 134 3 4 1 loss : - . 81390 dB Resp CENTER 836 . 500 000 MHz SPAN 400 . 000 000 MHz START 400 . 000 000 MHz STOP 2 000 . 000 000 MHz 10 Aug 2012 07:17:30 CH1 S21 LOG 1 dB/ REF -1.231 dB 2 : . 71740 dB 25 . 000 000 MHz SF1182B ripple CH1 Markers REF=1 mean : -1 . 0709 dB C s . dev : . 35220 dB p-p : 1 . 4419 dB 2 1 Resp CENTER 836 . 500 000 MHz SPAN 80 . 000 000 MHz 2010-2014 by Murata Electronics N.A., Inc. www.murata.com SF1182B (R) 3/19/14 Page 2 of 4