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SF1125A

RFM
Part Number SF1125A
Manufacturer RFM
Description 380 MHz SAW Filter
Published Mar 5, 2014
Detailed Description SF1125A • • • • Designed for WCDMA 3G IF Applications Excellent Size-to-Performance Ratio Hermetic 13.3 x 6.5 mm Surface...
Datasheet PDF File SF1125A PDF File

SF1125A
SF1125A

Overview
SF1125A • • • • Designed for WCDMA 3G IF Applications Excellent Size-to-Performance Ratio Hermetic 13.
3 x 6.
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 380 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-53 Electrical Characteristics Characteristic Nominal Center Frequency Passband Insertion Loss at fc 1 db Passband 3 db Passband Amplitude Ripple over fc±2.
25 MHz Phase Linearity over fc±2.
25 MHz Group Delay Variation over fc ±fc2.
25 MHz Rejection fc-3.
95 to fc-3.
33 and fc+3.
3 to fc+3.
95 MHz fc-4.
125 to fc-3.
95 and fc+3.
95 to fc+4.
125 MHz fc±4.
125 to fc±60 MHz Part to Part Average Group Delay Variation Operating Temperature Range Frequency Temperature Coefficient TA FTC 4 1 -10 +25 -18 1, 2, 3 GDV 10 30 40 ±5 +85 nsec °C ppm/°C dB Sym fC IL BW1 BW3 1, 2 4.
45 5.
1 Notes 1 Min Typ 380.
000 16.
5 5.
0 5.
4 0.
75 7.
5 150 1.
25 TBD 175 Max 18 Units MHz dB MHz dBP-P °P-P nsP-P Matching to 50Ω Balanced or Single Ended Impedance Case Style Lid Symbolization (YY = year, WW = week) 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.
Part to part absolute delay measurement records the absolute delay mean across 1 dB passband.
5.
"LRIP" or "L" after the part number indicates "low rate initial production" and "ENG" or "E" indicates "engine...


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