Data Sheet
Operating Temperature Range:
(2)
-40 to +85
o
C
Part Number 855964
1086 MHz SAW Filter
Electrical Specifications
(1)
Parameter
(3)
Center Frequency
Maximum Insertion Loss
1081 - 1091 MHz
1.5 dB Bandedges
Lower Bandedge
Upper Bandedge
Amplitude Ripple
(4)
1081 - 1091 MHz
Stopband Rejection (Test Fixture)
500 - 988 MHz
988 - 1002 MHz
1038 - 1046 MHz
1156 - 1600 MHz
Group Delay Ripple
1081 - 1091 MHz
Source Impedance
(5)
Load Impedance
(5)
Notes:
1.
2.
3.
4.
5.
Minimum
-
-
-
1091
-
50
52.5
40
40
-
-
-
Typical
1086
4
1076.5
1095.5
0.75
55
55
40
40
20
200
200
Maximum
-
5
1081
1.0
-
-
-
-
-
-
-
Unit
MHz
dB
MHz
dB
dB
dB
dB
dB
ns
Ω
Ω
All specifications are based on the test circuit shown below. Testing is carried out using test fixture 971748, test data sheet
122288-02, to equipment specification 100221.
In production, devices will be tested at room temperature in a Sawtek test fixture 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.
Maximum peak to adjacent valley over the defined frequency range.
This is the optimum impedance in order to achieve the performance shown.
Test Circuit:
1
5
200
Ω
3
2,4,6,8
7
200
Ω
Balanced
200
Ω
No impedance matching
required
Subject to change or obsolescence without notice
Rev F
12-Sep-2003
Page 2 of 5
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