SF1081A-1 Designed for GSM BTS Receiver IF Applications Simple External Impedance Matching 71.00 MHz Hermetic SMP-87 Surface-Mount Case Unbalanced Input and Output SAW Filter Wider Temperature Version of SF1081A Complies with Directive 2002/95/EC (RoHS) Pb Absolute Maximum Ratings Rating Value Units Maximum Incident Power in Passband +10 dBm Max. DC voltage between any 2 terminals 30 VDC Storage Temperature Range -40 to +85 C SMP-87 Suitable for lead-free soldering - Max Soldering Profile 260C for 30 s Electrical Characteristics Characteristic Sym Notes Min Typ Max Units Nominal Center Frequency f 71.000 MHz C 1 Passband Insertion Loss at fc 6 8.0 dB IL BW 3 dB Passband 100 140 200 kHz 3 dB Amplitude Ripple over fc80 kHz 1.5 P-P 1, 2 ns Group Delay Variation over fc50 kHz GDV 300 1000 P-P Absolute Group Delay GD 2.8 Rejection fc-600 to fc-400 and fc+400 to fc+600 kHz 25 26 fc-1.0 to fc-0.6 and fc+0.6 to fc+1.8 MHz 35 40 1, 2, 3 dB 69.6 to 70.0 MHz 40 45 31 to 69.6 and 71.8 to 111 MHz 35 50 T C Operating Temperature Range 1 -40 +85 A Impedance Matching to 50 unbalanced External L-C Case Style SMP-87 22.1 X 8 mm Nominal Footprint Lid Symbolization (YY=year, WW=week) RFM SF1081A-1 YYWW Electrical Connections Connection Terminals Port 1Hot 1 Port 1 Gnd Return 10 Port 2 Hot 6 Port 2 Gnd Return 5 Case Ground All Others Notes: Unless noted otherwise, all specifications apply over the operating temperature to change. range with filter soldered to the specified demonstration board with impedance 6. Either Port 1 or Port 2 may be used for either input or output in the design. matching to 50 and measured with 50 network analyzer. However, impedances and impedance matching may vary between Port 1 and Unless noted otherwise, all frequency specifications are referenced to the nom- Port 2, so that the filter must always be installed in one direction per the circuit inal center frequency, fc. design. Rejection is measured as attenuation below the minimum IL point in the pass- 7. US and international patents may apply. band. Rejection in final user application is dependent on PCB layout and exter- 8. RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of nal impedance matching design. See Application Note No. 42 for details. RF Monolithics, Inc.LRI or after the part number indicateslow rate initial productio and 9. Copyright 1999, RF Monolithics Inc.EN or indicatesengineering prototypes 10. Electrostatic Sensitive Device. Observe precautions for handling. The design, manufacturing process, and specifications of this filter are subject RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info rfm.com RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 71.000 MHz SAW Filter RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info rfm.com RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510