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©2009 by RF Monolithics, Inc. SF2111A - 7/13/09
SMP-53
• Excellent Size-to-Performance Ratio
• Hermetic 13.3 x 6.5 mm Surface-mount Case
• Complies with Directive 2002/95/EC (RoHS)
Absolute Maximum Ratings
Rating Value Units
Maximum Incident Power in Passband +10 dBm
Maximum DC Voltage Between any Two Terminals 30 VDC
Operating Temperature Range -40 to +85 °C
Storage Temperature Range -40 to +85 °C
Suitable for Lead-free Soldering - Maximum Soldering Profile 260 °C for 30 s
140 MHz
SAW Filter
SF2111A
1. Unless note d otherwis e, all sp ecific ati ons appl y over t he operat ing temperat ure range with fil ter soldere d to the spec ified de monst ration bo ard wit h impeda nce
matc hing to 50 Ω and measured with 50 Ω network analyz er.
2. Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc.
3. The desi gn, manufact uring process, and specific ations of thi s f ilter are subj ect to change.
4. US and intern ational pate nts may apply.
Electrical Characteristics
Characteristic Sym Notes Min Typ Max Units
Center Frequency fC1 138.85 140 141.15 MHz
Insertion Loss 911dB
1 dB Bandwidth BW115.0 16.2 MHz
3 dB Bandwidth BW316.0 17.0 MHz
35 dB Bandwidth BW35 20 22 MHz
Passband Ripple, 133.6 - 146.4 MHz 0.4 1 dBP-P
Phase Linearity, 133.6 - 146.4 MHz 2.5 6 deg
Group Delay Variation, 133.6 - 146.4 MHz 15 50 nsP-P
Absolute Group Delay 0.928 µs
Temperature Shift -94 ppm/K
Source Impedance 50 Ω
Load Impedance 50 Ω
Rejection Relative to Attenuation at fC
dB
100 to 128.7 MHz 40 49
128.7 to 129 MHz 40 55
151 to 152.3 MHz 28 40
152.3 to 180 MHz 37 42
Case Style SMP-53 13.3 x 6.5 mm Nominal Footprint
Lid Symbolization (YY = year, WW = week) RFM SF2111A YYWW
Pb
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes: