Data Sheet
Features
•
•
•
•
Usable bandwidth of 18 MHz
Single-ended operation
Ceramic Surface Mount Package
Hermetic
Part Number 880368
1280 MHz BAW Filter
Package
Surface Mount 3.71 x 2.57 x 0.84 mm
Pin Configuration
Bottom View
0.84 NOM.
0.89 MAX.
I/O
3.71
0.58
0.075 TYP.
I/O
GND
0.50
2.57
0.51
0.45
0.98
0.51
0.075 TYP.
Pin No.
I/O
GND
Description
Input/Output
Ground
Overall width, length, and thickness are the only critical
dimensions. All other dimensions are for reference only.
Dimensions shown are nominal in millimeters
All tolerances are
±0.13mm
except overall
length and width
±0.25mm
Body:
Sapphire
Package:
Alumina
Terminations:
Au
plating 0.5 - 2.5µm,
over a 2.0 – 6.0
µm
Ni
plating
Subject to change or obsolescence without notice
Rev -
June-2007
Page 1 of 5
Data Sheet
Operating Temperature Range:
(2)
-40 to +85
o
C
Part Number 880368
1280 MHz BAW Filter
Electrical Specifications
(1)
Parameter
(3)
Center Frequency
Insertion Loss @ Fo
3 dB Bandwidth
(4)
40 dB Lower Frequency Edge
(4)
40 dB Upper Frequency Edge
(4)
VSWR @ Fo
Source Impedance
Load Impedance
Notes:
1.
2.
3.
4.
Minimum
1275
-
18
1227.5
-
-
-
-
Typical
1280
3.0
25
-
-
1.8
50
50
Maximum
1285
4.0
-
-
1332.5
2:1
-
-
Unit
MHz
dB
MHz
MHz
MHz
Ω
Ω
All specifications are based on the test circuit shown below
In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over
temperature
Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances
Referenced to the insertion loss at center frequency
Test Circuit:
I/O
I/O
50
Ω
50
Ω
Single-ended
Input
50
Ω
GND
50
Ω
Single-ended
Output
Subject to change or obsolescence without notice
Rev -
June-2007
Page 2 of 5
Data Sheet
Part Number 880368
1280 MHz BAW Filter
Typical Performance
(at +25
o
C)
S21 Amplitude Response
0.0
S11 Smith Chart
-20.0
d
B
-40.0
-60.0
-80.0
1216.000
1280.000
1344.000
Frequency (MHz)
S21 Amplitude Response
0.0
-2.0
3.0
S11 VSWR
L
i
2.6
n
e
2.2
a
r
1.8
d
B
-4.0
-6.0
-8.0
-10.0
1263.333
1280.000
1296.667
m
a
1.4
g
1.0
1263.333
1280.000
1296.667
Frequency (MHz)
Frequency (MHz)
Subject to change or obsolescence without notice
Rev -
June-2007
Page 3 of 5
Data Sheet
Part Number 880368
1280 MHz BAW Filter
Matching Schematics
I/O
I/O
50
Ω
50
Ω
Single-ended
Input
50
Ω
GND
50
Ω
Single-ended
Output
Marking
TFR
logo
Date code
PCB Footprint
3.76
0.78
YYWW
0.25
880098
880368
Part no.
2.62
0.71
0.70
1.18
0.31
The date code consists of: YY = last digit of year,
WW = 2 digit week
This footprint represents a recommendation only
Dimensions shown are nominal in millimeters
Tape and Reel
Tape and Reel available upon request
EIA-481
Tinning available per J-STD-001
ROHS compliant (no tinning)
DFARS compliant
Subject to change or obsolescence without notice
Rev -
June-2007
Page 4 of 5
Data Sheet
Maximum Ratings
Parameter
Operating Temperature Range
Storage Temperature Range
Part Number 880368
1280 MHz BAW Filter
Symbol
T
T
stg
Minimum
-40
-55
Maximum
+85
+100
Unit
o
o
C
C
Warnings
•
•
Electrostatic Sensitive Device (ESD)
Avoid ultrasonic exposure
Links to Additional Technical Information
PCB Layout Tips
S-Parameters
Qualification Flowchart
Soldering Profile
Other Technical Information
Sawtek’s liability is limited only to the Bulk Acoustic Wave (BAW) component(s) described in this data sheet. Sawtek does not accept any liability for
applications, processes, circuits or assemblies, which are implemented using any Sawtek component described in this data sheet.
Contact Information
63140 Britta St. Bldg. C
Bend, OR 97701
Phone: +1 (972) 994-8465
Fax: +1 (972) 994-8504
Email:
custservbend@tqs.com
Web:
www.triquint.com
Or contact one of our worldwide
Network of
sales offices,
Representatives or distributors
Subject to change or obsolescence without notice
Rev -
June-2007
Page 5 of 5
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