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Data Sheet
Features
* * * * * * * For AMPS, CDMA and TDMA applications Usable bandwidth 25 MHz High attenuation No impedance matching required for operation at 50 Single-ended operation Ceramic Surface Mount Package (SMP) Small size
Part Number 855729 836.5 MHz SAW Filter
*
Package
Surface Mount 3.0 x 3.0 x 1.22 mm
Pin Configuration
1
2
3
1.22 NOM. 1.32 MAX. 0.69
3.00
6 5 4
0.75 1.50 3.00 0.75
Pin No. 2,5 1,3,4,6
Description Input/Output Case ground
0.60
Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width 0.10mm Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 0.5 - 1.0m, over a 2 - 6m Ni plating
Subject to change or obsolescence without notice
Last Updated: 14-May-2001
Page 1 of 5
Data Sheet
Operating Temperature Range: (2) -30 to +85 oC
Part Number 855729 836.5 MHz SAW Filter
Electrical Specifications (1)
Parameter (3)
Center Frequency Maximum Insertion Loss 824 - 849 MHz Amplitude Variation 824 - 849 MHz Absolute Attenuation DC - 800 MHz 869 - 925 MHz 925 - 2000 MHz Input/Output Return Loss 824 - 849 MHz Terminating Source Impedance: (4) Terminating Load Impedance: (4) Operating Temperature Range Notes:
1. 2. 3. 4.
Minimum
40 28 40 9.5 -30
Typical
836.5 2.7 0.85 50 33 45 13.6 50 50 25
Maximum
3.5 1.5 +85
Unit
MHz dB dB p-p dB dB dB dB o C
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 optimum impedance in order to achieve the performance shown
Test Circuit:
2
5 50
50 Single-ended
50
1,3,4,6
No impedance matching required
Subject to change or obsolescence without notice
Last Updated: 14-May-2001
Page 2 of 5
Data Sheet
Part Number 855729 836.5 MHz SAW Filter
Typical Performance (at +25oC)
Subject to change or obsolescence without notice
Last Updated: 14-May-2001
Page 3 of 5
Data Sheet
Part Number 855729 836.5 MHz SAW Filter
Matching Schematics
2 5 50
50 Single-ended
50
1,3,4,6
No impedance matching required
Marking
Sawtek logo Marking code
PCB Footprint
3.20 SQ .96
A XXX
1.70
1.27
Pad 1 ID dot
.81
Date code
.38
Date code is the day of the current year in 3-digit Julian format
This footprint represents a recommendation only Dimensions shown are nominal in millimeters
Tape and Reel
12.8 2.7 O330 Sawtek logo
4.0 0.21 2.0 O1.5
A
1.75
5.5
Pad 1 ID dot O102 O20.2 O13.0
12.0
3.25
2.0
Direction of travel
1.4 Section A-A
3.25
4.0 O1.5
A
Dimensions shown are nominal in millimeters Packaging quantity: 5000 units/reel
Subject to change or obsolescence without notice
Last Updated: 14-May-2001
Page 4 of 5
Data Sheet
Parameter
Operating Temperature Range Storage Temperature Range RF Power
Part Number 855729 836.5 MHz SAW Filter
Maximum Ratings
Symbol
T Tstg Pin
Minimum
-30 -40 -
Maximum
+85 +85 +10
Unit
C C dBm
o o
Warnings
* * Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure
Links to Additional Technical Information
PCB Layout Tips S-Parameters Qualification Flowchart Reel and Packaging Label Soldering Profile Other Technical Information
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
Or contact one of our worldwide network of sales offices, representatives or distributors
Last Updated: 14-May-2001
Page 5 of 5

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