SF1184B-1 Datasheet, PDF (1/6 Pages) RF Monolithics, Inc – 947.5 MHz SAW Filter

SF1184B-1
• RF Filter for GSM900
• No Matching Circuit Required
• 3.0 x 3.0 x 1.3 mm Package
• Complies with Directive 2002/95/EC (RoHS)
947.5 MHz
SAW Filter
Pb
Absolute Maximum Ratings
Rating
Maximum Input Power
DC voltage between Terminals
Operating Temperature
Value
+15
-5 ~ +5
-30 to +85
Units
dBm
VDC
°C
Electrical Characteristics
Characteristic
Sym Notes
Min
Nominal Operating Frequency
f_C
Passband
Insertion Loss (935~960 MHz)
IL
Amplitude Ripple (935~960 MHz)
Attenuation
D.C.~871 MHZ
50
890~915 MHZ
30
980~1025 MHZ
25
1025~2000 MHZ
45
2000~3000 MHZ
20
VSWR (935~960 MHz)
Impedance at Fc ; Input Z_IN
1
Output Z_OUT
1
SM3030-6
Typ
947.5
2.7
0.6
62.1
43.9
28.6
54.1
26.8
1.6
50
50
Max
3.5
1.4
2.3
Units
MHz
dB
dB
dB
dB
dB
dB
dB
dB
Ω
Ω
Case Style
Lid Symbolization (YY=year, WW=week, D=day)
Electrical Connections
Connection
Input
Output
Ground
Terminals
2
5
All others
SM3030-6 3 x 3 mm Nominal Footprint
459 YYWWD
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1. Unless noted otherwise, all specifications apply over the operating temper-
ature 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. 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.
7. US and international patents may apply.
8. RFM, stylized RFM logo, and RF Monolithics, Inc. are registered
trademarks of RF Monolithics, Inc.
9. ©Copyright 1999, RF Monolithics Inc.
www.RFM.com E-mail: [e-mail]
©2008 by RF Monolithics, Inc.
Page 1 of 6
SF1184B-1 - 10/17/08