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SF1092A
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Designed for GSM BTS Receiver IF Applications
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?
Low Insertion Loss
Excellent Size-to-Performance Ratio
199 MHz
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?
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Hermetic SMP-75 Surface-Mount Case
Unbalanced Input and Output
Complies with Directive 2002/95/EC (RoHS)
Pb
SAW Filter
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Maximum DC voltage between any 2 terminals
Storage Temperature Range
Value
+18
30
-40 to +85
Units
dBm
VDC
°C
Suitable for lead-free soldering - Maximum Soldering Profile
260°C for 30 s
SMP-75
Electrical Specifications
Characteristic
Nominal Center Frequency
Passband
Insertion Loss at f c
1 dB Passband
Sym
f C
IL
BW 1
Notes
1
1, 2
Min
±100
Typ
199.000
5.5
±140
Max
7.0
Units
MHz
dB
kHz
Amplitude Ripple over fc±100 kHz
1.0
dB P-P
Group Delay Variation over fc ±100 kHz
GDV
300
500
ns P-P
Rejection
fc-800 to fc-600 and fc+600 to fc+800 kHz
1, 2, 3
35
dB
119 MHz to fc-800 kHz
fc+800 kHz to 278 MHz
45
45
Operating Temperature Range
Frequency Temperature Coefficient
T A
FTC
1
1
-10
0.32
+85
°C
ppm/°C 2
Impedance Matching to 50 ? unbalanced
Case Style
Lid Symbolization (YY = year, WW = week)
External L-C
SMP-75 19 x 6.5 mm Nominal Footprint
RFM SF1092A YYWW
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
3.
4.
5.
6.
7.
Unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration board with
impedance matching to 50 ? and measured with 50 ? network analyzer.
Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc.
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.
The turnover temperature, T O , is the temperature of maximum (or turnover) frequency, f o . The nominal frequency at any case temperature, T c , may
be calculated from: f=f o [1-FTC(T o -T c ) 2 ].
The design, manufacturing process, and specifications of this filter are subject to change.
Either Port 1 or Port 2 may be used for either input or output in the design. However, impedances and impedance matching may vary between Port
1 and Port 2, so that the filter must always be installed in one direction per the circuit design.
US and international patents may apply.
www.RFM.com E-mail: info@rfm.com
?2009 by RF Monolithics, Inc.
Page 1 of 5
SF1092A - 3/2/09
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