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Details, datasheet, quote on part number:856049
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Datasheet text preview:
Preliminary Data Sheet
Features
· · · · · · For GPS applications Usable bandwidth 2.0 MHz High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Small size
Part Number 856049 1575.42 MHz SAW Filter
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Package
Surface Mount 2.50 x 2.00 x 0.76 mm
Pin Configuration
Bottom View
1 2
0.76 NOM. 0.84 MAX. 2.50 1.54
4 3
2.00
1.30
0.3X45° CHAMFER
Pin No. 1,3 2,4
Description Input/output Case ground
0.58 0.84
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 D
04-Sep-2002
Page 1 of 6
Preliminary Data Sheet
Operating Temperature Range: (2) -30 to +70 oC
Part Number 856049 1575.42 MHz SAW Filter
Electrical Specifications (1)
Parameter (3)
Center Frequency Insertion Loss 1574.42 - 1576.42 MHz Absolute Rejection 50 - 1535 MHz 1625 - 1630 MHz 1630 - 2500 MHz 2500 - 3000 MHz 3000 - 3500 MHz Input/Output Return Loss Propagation Delay Time Source Impedance (4) Load Impedance (4) Notes:
1. 2. 3. 4. 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
Minimum
35 30 35 35 30 10 -
Typical
1575.42 2.5 41 52 43 38 37 13 32 50 50
Maximum
3.5 50 -
Unit
MHz dB dB dB dB dB dB dB ns
Test Circuit:
1 3 50
50 Single-ended
50
2,4
No impedance matching required
Subject to change or obsolescence without notice
Rev D
04-Sep-2002
Page 2 of 6
Preliminary Data Sheet
Operating Temperature Range: (2) -30 to +80 oC
Part Number 856049 1575.42 MHz SAW Filter
Electrical Specifications (1)
Parameter (3)
Center Frequency Insertion Loss 1574.42 - 1576.42 MHz Absolute Rejection 50 - 1535 MHz 1625 - 1630 MHz 1630 - 2500 MHz 2500 - 3000 MHz 3000 - 3500 MHz Input/Output Return Loss Propagation Delay Time Source Impedance (4) Load Impedance (4) Notes:
1. 2. 3. 4. 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
Minimum
35 30 35 35 30 10 -
Typical
1575.42 2.5 41 52 43 38 37 13 32 50 50
Maximum
3.6 50 -
Unit
MHz dB dB dB dB dB dB ns
Test Circuit:
1 3 50
50 Single-ended
50
2,4
No impedance matching required
Subject to change or obsolescence without notice
Rev D
04-Sep-2002
Page 3 of 6
Preliminary Data Sheet
Part Number 856049 1575.42 MHz SAW Filter
Typical Performance (at +25oC)
Subject to change or obsolescence without notice
Rev D
04-Sep-2002
Page 4 of 6
Preliminary Data Sheet
Part Number 856049 1575.42 MHz SAW Filter
Matching Schematics
1 3 50
50 Single-ended
50
2,4
No impedance matching required
Marking
Sawtek logo Marking code
PCB Footprint
2.59 2.08
G JJJYM
ID dot Date code
CHAMFER .36x45° .78 .51 .51 1.04
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 D
04-Sep-2002
Page 5 of 6
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