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
All attenuation measurements are made relative to center frequency
This is the optimum impedance in order to achieve the performance shown
Minimum
-
-
-
170.69
-
170.75
13
27
40
43
47
50
-
-
-
-
-
-
-
-
-
Typical
170.6
7.6
170.40
170.79
170.37
170.84
22
31
44
47
49
56
0.18
0.53
270
410
1.6:1
1.8:1
50
50
Quartz
Maximum
-
9
170.51
-
170.45
-
-
-
-
-
-
-
0.5
1
400
1000
2.0:1
2.5:1
-
-
-
Unit
MHz
dB
MHz
MHz
MHz
MHz
dB
dB
dB
dB
dB
dB
dB p-p
dB p-p
nsec
nsec
-
-
Ω
Ω
-
Test Circuit:
Actual matching values may vary due to PCB layout and parasitics
7pF
180nH
15nH
10
5
18nH
50Ω
8nH
50
Ω
Single-ended
50Ω
39pF
1,2,3,4
6,7,8,9
Subject to change or obsolescence without notice
Rev -
03-Dec-2003
Page 2 of 5
Preliminary Data Sheet
Part Number 855756
170.6 MHz SAW Filter
Typical Performance
(at +25
o
C)
Subject to change or obsolescence without notice
Rev -
03-Dec-2003
Page 3 of 5
Preliminary Data Sheet
Actual matching values may vary due to PCB layout and parasitics
7pF
180nH
15nH
10
5
Part Number 855756
170.6 MHz SAW Filter
Matching Schematics
8nH
50
Ω
Single-ended
50Ω
39pF
1,2,3,4
6,7,8,9
18nH
50Ω
Marking
PCB Footprint
8.84
SAWTEK
855756
XXXXXX
ID dot
Date code
6.70
2.00
1.22
.69
The date code consists of: day of the current year (Julian,
3 digits), last digit of the year (1 digit) and hour (2 digits)
This footprint represents a recommendation only
Dimensions shown are nominal in millimeters
Tape and Reel
2.7
24.8
Ø330
ID dot
0.3
2.0
4.0
Ø1.5
A
1.75
11.5
16.0
Ø102
Ø20.2
Ø13.0
Direction of travel
24
2.0
2.3
Section A-A
7.1
12.0
Ø1.5
A
Dimensions shown are nominal in millimeters
Packaging quantity: 2000 units/reel
Subject to change or obsolescence without notice
Rev -
03-Dec-2003
Page 4 of 5
Preliminary Data Sheet
Parameter
Operating Temperature Range
Storage Temperature Range
Part Number 855756
170.6 MHz SAW Filter
Symbol
T
T
stg
Maximum Ratings
Minimum
-10
-40
Maximum
+85
+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.
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