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SF1120B

Part Number	SF1120B
Manufacturer	RFM
Description	298.74 MHz SAW Filter
Published	Mar 5, 2014
Detailed Description	SF1120B • • • • • Designed for GPS Applications Quartz Temperature Stability Small Size Hermetic 7 x 5 mm Surface-mount ...
Datasheet	SF1120B PDF File

Overview

SF1120B • • • • • Designed for GPS Applications Quartz Temperature Stability Small Size Hermetic 7 x 5 mm Surface-mount Case Complies with Directive 2002/95/EC (RoHS) Pb Value +10 30 -40 to +85 260°C for 30 s Units dBm VDC °C 298.
74 MHz SAW Filter Absolute Maximum Ratings Rating Maximum Incident Power in Passband Max.
DC voltage between any 2 terminals Storage Temperature Range Suitable for lead-free soldering - Max.
Soldering Profile SMP-03 Electrical Characteristics Characteristic Nominal Center Frequency Passband Insertion Loss at fc 1 db Passband 3 db Passband Amplitude Ripple over fc±1.
0 MHz Group Delay Variation over fc ±1.
0 MHz Rejection fc-25 to fc-5.
0 and fc+5.
0 to fc+25 MHz TA Operating Temperature Range Matching to Unbalanced Impedance Case Style Lid Symbolization (YY = year, WW = week) 6 GDV 1, 2, 3 1 -20 +75 Sym fC IL BW1 BW3 1, 2 ±750 ±1100 ±1150 ±1300 1.
0 250 Notes 1 Min Typ 298.
740 Max 12.
0 Units MHz dB kHz dBP-P nsP-P dB °C External L-C to 1kΩ (Port 1) and 200 Ω (Port 2) SMP-03 7 x 5 mm Nominal Footprint RFM SF1120B YYWW Notes: 1.
Unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration board with impedance matching to 50 Ω and measured with 50 Ω network analyzer.
2.
Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc.
3.
Rejection is measured as attenuation below the minimum IL point in the passband.
Rejection in final user application is dependent on PCB layout and external impedance matching design.
See Application Note No.
42 for details.
4.
"LRIP" or "L" after the part number indicates "low rate initial production" and "ENG" or "E" indicates "engineering prototypes.
" 5.
The design, manufacturing process, and specifications of this filter are subject to change.
6.
Tape and Reel Standard ANSI / EIA 481.
7.
Either Port 1 or Port 2 may be used for either input or output in the design.
However, impedances and im...

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