Data Sheet
Features
• • • • • • • • For EGSM applications, Tx Usable bandwidth of 35 MHz High attenuation Balanced input Single-ended output Superior amplitude and phase balance Ceramic Surface Mount Package (SMP) Small size
Part Number 856113 897.5 MHz SAW Filter
•
Package
Surface Mount 2.50 x 2.00 x 0.76 mm
Pin Configuration
Bottom View
1 2 3
0.76 NOM. 0.84 MAX. 2.50 1.88 0.94
6
5
4
2.00
1.38
0.25x45° CHAMFER
0.50 0.50
Pin No. 2 4,6 1,3,5
Description Output, Sigle-ended Input, Balanced Case Ground
Dimensions shown are nominal in millimeters All tolerances are ±0.10mm Body: Al2O3 ceramic Lid: Kovar or Alloy 42, Au over Ni plated Terminations: Au plating 0.5 - 1.0µm, over a 2 - 6µm Ni plating
Subject to change or obsolescence without notice
Rev A
10-Sep-2002
Page 1 of 5
Data Sheet
Operating Temperature Range: (2) -10 to +80 oC
Part Number 856113 897.5 MHz SAW Filter
Electrical Specifications (1)
Parameter (3)
Center Frequency Maximum Insertion Loss 880 - 915 MHz Absolute Attenuation (4) DC - 850 MHz 850 - 869 MHz 935 - 960 MHz 960 - 1850 MHz 1850 - 3660 MHz 3660 - 6000 MHz Amplitude Ripple 880 - 915 MHz Amplitude Balance (|S31/S21|) 880 - 915 MHz Phase Balance φ(S31)- φ(S21) 880 - 915 MHz Input/Output Return Loss 880 - 915 MHz Optimal Source Impedance (4) Optimal Load Impedance (4) Notes:
1. 2. 3. 4.
Minimum
45 15 20 40 35 25 -1.5 170 8.5 -
Typical
897.5 2.2 54 33 28 48 41 33 1.1 1.0 180 9.3 200 || 64nH 50
Maximum
3.2 1.8 1.5 190 -
Unit
MHz dB dB dB dB dB dB dB dB p-p dB deg 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 This is the complex conjugate of the unmatched filter’s impedance resulting in maximum power transfer
Test Circuit:
Actual matching values may vary due to PCB layout and parasitics
4 2 50Ω 6 1,3,5
200 Ω Balanced Input
200Ω
64nH
50 Ω Single-ended Output
Subject to change or obsolescence without notice
Rev A
10-Sep-2002
Page 2 of 5
Data Sheet
Part Number 856113 897.5 MHz SAW Filter
Typical Performance (at +25oC)
Subject to change or obsolescence without notice
Rev A
10-Sep-2002
Page 3 of 5
Data Sheet
Actual matching values may vary due to PCB layout and parasitics
4 2
Part Number 856113 897.5 MHz SAW Filter
Matching Schematic
200 Ω Balanced Input
200Ω
64nH 6 1,3,5
50Ω
50 Ω Single-ended Output
Marking
Sawtek logo Marking code
PCB Footprint
0.94
M JJJYM
ID dot Date code
1.38
0.3x45° CHAMFER
0.70
0.70
The date code consists of: JJJ = Julian day, Y = last digit of year, M = manufacturing site code
This footprint represents a recommendation only Dimensions shown are nominal in millimeters
Tape and Reel
8.8 2.7 Ø330 ID dot Sawtek logo
4.0 0.3 2.0
Ø1.5
A
1.75
2.75
Ø102 Direction of travel Ø20.2 Ø13.0 2.0
3.5 8.0 4.0 Ø1.0
1.1 Section A-A
2.23
A
Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel
Subject to change or obsolescence without notice
Rev A
10-Sep-2002
Page 4 of 5
Data Sheet
Parameter
Operating Temperature Range Storage Temperature Range
Part Number 856113 897.5 MHz SAW Filter
Maximum Ratings
Symbol
T Tstg
Minimum
-10 -40
Maximum
+80 +85
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 Surface Acoustic Wave (SAW) 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
PO Box 609501 Orlando, FL 32860-9501 USA
Subject to change or obsolescence without notice
Phone: +1 (407) 886-8860 Fax: +1 (407) 886-7061 Email: custservice@sawtek.com Web: www.sawtek.com
Rev A
Or contact one of our worldwide network of sales offices, representatives or distributors
10-Sep-2002
Page 5 of 5
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