®
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info@rfm.com Page 1 of 5
RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 http://www.rfm.com
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc. SF1174D-121604
Electrical Characteristics
Characteristic Sym Notes Minimum Typical Maximum Units
Nominal Operating Frequency fC374 MHz
Passband Insertion Loss IL 8.6 10 dB
3.0 dB Bandwidth 17 23.3 MHz
Amplitude Ripple Fc ±7 MHz .6 1.0 dB
Group Delay Deviation Fc ±7 MHz 45 100 nsec
Rejection Fc-100 to -33 MHz 40 47 dB
Fc-33 to -22 MHz 40 48 dB
Fc-22 to -16.5 MHz 27 40 dB
Fc+16.5 to +22 MHz 28 44 dB
Fc+22 to +43 MHz 35 44 dB
Fc+43 to +80 MHz 40 45 dB
Ambient Temperature Operating Range -20 70 °C
Footprint Size: 3.8 X 3.8 SM3838-8
Lid Symbolization (Y=Year, WW=week, S=shift) 479 // YWWS
SM3838-8 Case
•Designed for 802.11 Applications
•Hermetically sealed Surface Mount package
•Complies with Directive 2002/95/EC (RoHS)
Absolute Maximum Ratings
Rating Value Units
Maximum Input Power +10 dBm
DC Voltage Between Terminals 30 VDC
Case Temperature -40 to +85 °C
Suitable for lead-free soldering - Max Soldering Profile 260°C for 30 s
374.00 MHz
SAW Filter
SF1174D
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.) All specifications apply over the operating temperature range with filter soldered to the specified demonstration board unless noted otherwise.
2.) Ultimate rejection is dependent on PCB layout.
3.) Specifications subject to change without notice.
4.) Electrostatic Sensitive Device. Observe precautions for handling.
5.) US and international patents may apply.
6.) RFM, RFM logo, and RFMonolithics, Inc. are registered trademarks of RFMonolithics, Inc.
Connection Terminals
Differential Input 2, 3
Differential Output 6, 7
Ground All Others
Electrical Connections
8
4
50Ω
RF IC
47nH
1:1
47nH
RF IC
1:1
3
2
1
5
6
7
50Ω
12pf
12pf
12pf
12pf
Pb
374.00 MHz SAW Filter
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info@rfm.com Page 2 of 5
RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 http://www.rfm.com
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc. SF1174D-121604
CH2 S21 log MAG REF -30 dB10 dB/
START 299.000 000 MHz STOP 449.000 000 MHz
Cor
Hld
PRm
19 Mar 2003 14:02:19
1
2
3 4
1_: 0 dB
0.000 000 MHz
REF=1
BW: 21.228 949 MHz
cent: 374.230193 MHz
Q: 17.628
1_ loss: -10.787 dB
cent: 374.230193 MHz
SF1174D-Demo Reference Plot
1dB per transformer insertion loss is not calibrated out
374.00 MHz SAW Filter
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info@rfm.com Page 3 of 5
RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 http://www.rfm.com
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc. SF1174D-121604
SF1174D-Demo Reference Plot
CH1 S21 delay 20 ns/ REF 380 ns
Smo
Hld
PRm
CH2 S21 log MAG REF -11.6 dB1 dB/
CENTER 374.000 000 MHz SPAN 15.000 000 MHz
Hld
PRm
19 Mar 2003 14:04:58
1
2
2_ 22.219 ns
14.000 000 MHz
REF=1
mean: 376.19 ns
s.dev: 13.178 ns
p-p: 53.902 ns
1
2
2_: .4829 dB
14.000 000 MHz
REF=1
mean:-11.642 dB
s.dev: .1965 dB
p-p: .8766 dB
REF=1
mean:-11.642 dB
s.dev: .1965 dB
p-p: .8766 dB
374.00 MHz SAW Filter
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info@rfm.com Page 4 of 5
RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 http://www.rfm.com
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc. SF1174D-121604
8-Terminal Ceramic Surface-Mount Case
3.8 X 3.8 mm Nominal Footprint
SM3838-8 Case
TOP VIEW BOTTOM VIEW
Case Dimensions
Dimension mm Inches
Min Nom Max Min Nom Max
A3.6 3.8 4.0 0.15
B3.6 3.8 4.0 0.15
C1.25 0.06
D1.0 0.04
E1.0 0.04
F0.6 0.02
G2.39 2.54 2.69 0.100
H1.5 0.06
Electrical Connections
Connection Terminals
Port 1 Differential Input 2, 3
Port 2 Differential Output 6, 7
Ground All Others
Single Ended Operation Return is Ground
Differential Operation Return is Hot
Dot Indicates Pin 1
A
1
2
3
B
7
6
5
4
C
H7
6
5
4
E
F
G
1
2
3
88
D
479
YWWS
0.066
0.055 TYP.
(1.68)
(1.40)
0.029 TYP.
(O.74)
0.050 TYP.
(1.27)
0.002
(0.05)
0.090
(2.29)
0.033
(0.84)
PCB Footprint
Materials
Solder Pad
Termination Au plating 30 - 60 uInches (76.2-152 uM) over 80-200
uInches (203-508 uM) Ni.
Lid Fe-Ni-Co Alloy Electroless Nickel Plate (8-11% Phos-
phorus) 100-200 uInches Thick
Body Al2O3 Ceramic
Pb Free
374.00 MHz SAW Filter
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 E-mail: info@rfm.com Page 5 of 5
RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 http://www.rfm.com
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc. SF1174D-121604
Tape and Reel Specifications
“B “
Nominal Size Quantity Per Reel
Inches millimeters
7178 500
13 330 3000
COMPONENT ORIENTATION and DIMENSIONS
Carrier Tape Dimensions
Ao 4.25 mm
Bo 4.25 mm
Ko 1.30 mm
Pitch 8.0 mm
W12.0 mm
See Detail "A"
13.0
20.2
2.0
12.0
100 REF.
"B" REF.
RO.3
(MAX.)
Ko
SECTION A-A
0.3 ± 0.05
SECTION B-B
Bo
2.0 4.0
Ao Pitch
B B
AR0.5
(MAX.)
A
5.5
12.0
1.75
1.5
1.50
PIN #1
USER DIRECTION OF FEED
