Data Sheet
Operating Temperature:
(2)
+25
o
C
Part Number 856099
881.5 MHz SAW Filter
Electrical Specifications
(1)
Parameter
(3)
Center Frequency
Maximum Insertion Loss
869 - 894 MHz
Amplitude Variation
869 - 894 MHz
Absolute Attenuation
100 - 824 MHz
824 - 849 MHz
914 - 970 MHz
970 - 3000 MHz
3000 - 6000 MHz
Input/Output VSWR
869 - 894 MHz
Output Amplitude Balance (|S
31
/S
21
|)
869 - 894 MHz
Output Phase Balance
φ(S
31
)-
φ(S
21
)
869 - 894 MHz
Optimal Source Impedance
(4)
Optimal Load Impedance
(4)
Notes:
1.
2.
3.
4.
Minimum
-
-
-
40
38
23
40
35
-
-1
170
-
-
Typical
881.5
2.4
0.7
70
40
27
60
50
1.5
±0.5
177-183
50
200Ω || 100nH
Maximum
-
2.8
1.5
-
-
-
-
-
1.8
1
190
-
-
Unit
MHz
dB
dB
dB p-p
dB
dB
dB
dB
dB
dB
degree
Ω
Ω
All specifications are based on the test circuit shown below
This specification is valid for room temperature only. The specification over the full temperature range(s) is available on the next
page(s)
Electrical margin has been built into the design to account for the variations due to manufacturing tolerances
This is the complex conjugate of the unmatched filter’s impedance resulting in maximum power transfer
Test Circuit:
Actual matching values may vary due to PCB layout and parasitics
1
3
100nH
50Ω
2,5
4
200Ω
50
Ω
Single-ended
Input
200
Ω
Balanced
Output
Subject to change or obsolescence without notice
Rev E
28-Jul-2004
Page 2 of 8
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