Data Sheet
Operating Temperature Range:
(2)
-20 to +70
o
C
Part Number 855860
1842.5 MHz SAW Filter
Electrical Specifications
(1)
Parameter
(3)
Center Frequency
Maximum Insertion Loss
1805 - 1815 MHz
(+15 to +70
o
C)
1805 - 1815 MHz
( -20 to +15
o
C)
1815 - 1870 MHz
1870 - 1880 MHz
Absolute Attenuation
10 - 1720 MHz
1720 - 1765 MHz
1765 - 1785 MHz
1920 - 1980 MHz
1980 - 2410 MHz
2410 - 3120 MHz
3120 - 4000 MHz
Input/Output Return Loss
1805 - 1880 MHz
Source Impedance:
(4)
Load Impedance:
(4)
Notes:
1.
2.
3.
4.
Minimum
-
-
-
-
-
20
25
8
15
17
20
17
6
-
-
Typical
1842.5
2.8
-
1.9
2.1
23
29
23
27
24
24
25
9.2
50
50
Maximum
-
3.3
3.7
3
3.6
-
-
-
-
-
-
-
-
-
-
Unit
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
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 optimum impedance in order to achieve the performance shown
Test Circuit:
2
5
50
Ω
50
Ω
Single-ended
50
Ω
1,3,4,6
No impedance matching
required
Subject to change or obsolescence without notice
Rev A
14-Sep-2001
Page 2 of 5
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