Document
Data Sheet
Features
• • • • • • For GPS applications Usable bandwidth of 30 MHz Single-ended operation Ceramic Surface Mount Package This part number is a replacement for part number CRF-1227-4 Hermetic
Part Number 880272 1227 MHz BAW Filter
Package
Surface Mount 3.26 x 1.60 x 0.84 mm
Pin Configuration
Bottom View
w
w
w
.
D
a
t
I/O
a S
h
e
e
t
.
n
e
t
/
I/O
GND
Pin No. I/O GND
Description Input/Output Ground
Dimensions shown are nominal in millimeters All tolerances are ±0.13mm except overall length and width ±0.25mm Overall width, length, and thickness are the only critical dimensions. All other dimensions are for reference only. Body: Sapphire Lid: 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 B
June 2009
Page 1 of 5
D a t a s h
Data Sheet
Operating Temperature Range: (2) -40 to +85 oC
Part Number 880272 1227 MHz BAW Filter
Electrical Specifications (1)
Parameter (3)
10dB Center Frequency Insertion Loss at Fo 3 dB Bandwidth (4) 40 dB Bandwidth (4) Amplitude Variation (4) 1212 - 1242 MHz Input/Output VSWR at Fo Source Impedance Load Impedance Notes:
1. 2. 3. 4.
Minimum
1222 30 -
Typical
1227 2.75 40 125 1.2 1.5 50 50
Maximum
1232 4.0 140 2 2:1 -
Unit
MHz dB MHz MHz dB − 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:
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I/O
I/O 50Ω
50 Ω Single-ended Input
50Ω
GND
50 Ω Single-ended Output
Subject to change or obsolescence without notice
Rev B
June 2009
Page 2 of 5
Datasheet pdf - http://www.DataSheet4U.co.kr/
Data Sheet
Part Number 880272 1227 MHz BAW Filter
Typical Performance (at +25oC)
www.DataSheet.net/
Subject to change or obsolescence without notice
Rev B
June 2009
Page 3 of 5
Datasheet pdf - http://www.DataSheet4U.co.kr/
Data Sheet
Part Number 880272 1227 MHz BAW Filter
Matching Schematics
I/O I/O 50Ω
50 Ω Single-ended Input
50Ω
GND
50 Ω Single-ended Output
Marking
TFR logo Date code
PCB Footprint
YYWW 880272
Part no.
The date code consists of: YY = last digit of year, WW = 2 digit week
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This footprint represents a recommendation only Dimensions shown are nominal in millimeters
Tape and Reel Available on Request
Subject to change or obsolescence without notice
Rev B
June 2009
Page 4 of 5
Datasheet pdf - http://www.DataSheet4U.co.kr/
Data Sheet
Maximum Ratings
Parameter
Operating Temperature Range Storage Temperature Range
Part Number 880272 1227 MHz BAW Filter
Symbol
T Tstg
Minimum
-40 -55
Maximum
+85 +100
Unit
o o
C C
Warnings
• • Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure
ww.