Data Sheet
Features
•
•
•
•
•
•
•
•
For EGSM applications
Usable bandwidth of 35 MHz
Compatible with leading chipset suppliers
Ultra low loss
Single-ended input, 50Ω
Balanced output, 200Ω
Chip Scale Package (CSP)
Hermetic
Part Number 856387
942.5 MHz SAW Filter
•
Package
Surface Mount 1.50 x 1.50 x 0.76 mm
Pin Configuration
Bottom View
1
2
3
0.76 NOM.
0.84 MAX.
1.50
1.35
0.60
0.55
6
5
4
1.50
0.40
0.25
1.35
Pin No.
2
4,6
1,3,5
Description
Input
Output
Case ground
Dimensions shown are nominal in millimeters
All tolerances are
±0.10mm
Body:
Al
2
O
3
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 C
07-Dec-2004
Page 1 of 7
Data Sheet
Operating Temperature Range:
(2)
+25
o
C
Part Number 856387
942.5 MHz SAW Filter
Electrical Specifications
(1)
Parameter
(3)
Center Frequency
Maximum Insertion Loss
925 - 960 MHz
Amplitude Variation
925 - 960 MHz
Absolute Attenuation
10 - 880 MHz
880 - 905 MHz
905 - 915 MHz
980 - 1050 MHz
1050 - 1100 MHz
1100 - 2775 MHz
2775 - 2880 MHz
2880 - 4625 MHz
4625 - 4800 MHz
4800 - 6000 MHz
Output Amplitude Balance (|S
31
/S
21
|)
925 - 960 MHz
Output Phase Balance [Φ(S
31
)-ΦS
21
+180]
925 - 960 MHz
Input/Output VSWR
925 - 960 MHz
Source Impedance
(4)
Load Impedance (Balanced)
(4)
Notes:
1.
2.
3.
4.
Minimum
-
-
-
31
22
16
18
25
30
45
38
45
43
-1
-10
-
-
-
Typical
942.5
1.35
0.3
37
24
21
20
31
34
53
44
55
50
0.8
3.5
1.9
50
200||80nH
Maximum
-
1.7
0.8
-
-
-
-
-
-
-
-
-
-
1
10
2.5
-
-
Unit
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
degree
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
4
80nH
50Ω
1,3,5
6
200
Ω
50
Ω
Single-ended
Input
200
Ω
Balanced
Output
Subject to change or obsolescence without notice
Rev C
07-Dec-2004
Page 2 of 7
Data Sheet
Operating Temperature Range:
(2)
-10 to +80
o
C
Part Number 856387
942.5 MHz SAW Filter
Electrical Specifications
(1)
Parameter
(3)
Center Frequency
Maximum Insertion Loss
925 - 960 MHz
Amplitude Variation
925 - 960 MHz
Absolute Attenuation
10 - 880 MHz
880 - 905 MHz
905 - 915 MHz
980 - 1050 MHz
1050 - 1100 MHz
1100 - 2775 MHz
2775 - 2880 MHz
2880 - 4625 MHz
4625 - 4800 MHz
4800 - 6000 MHz
Output Amplitude Balance (|S
31
/S
21
|)
925 - 960 MHz
Output Phase Balance [Φ(S
31
)-ΦS
21
+180]
925 - 960 MHz
Input/Output VSWR
925 - 960 MHz
Source Impedance
(4)
Load Impedance (Balanced)
(4)
Notes:
1.
2.
3.
4.
Minimum
-
-
-
31
22
16
18
25
30
45
38
45
43
-1
-10
-
-
-
Typical
942.5
1.35
0.3
37
24
21
20
31
34
53
44
55
50
0.8
3.5
1.9
50
200||80nH
Maximum
-
2.1
1.1
-
-
-
-
-
-
-
-
-
-
1
10
2.5
-
-
Unit
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
degree
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
4
80nH
50Ω
1,3,5
6
200
Ω
50
Ω
Single-ended
Input
200
Ω
Balanced
Output
Subject to change or obsolescence without notice
Rev C
07-Dec-2004
Page 3 of 7
Data Sheet
Operating Temperature Range:
(2)
-25 to +80
o
C
Part Number 856387
942.5 MHz SAW Filter
Electrical Specifications
(1)
Parameter
(3)
Center Frequency
Maximum Insertion Loss
925 - 960 MHz
925 - 960 MHz (-10 to +75
o
C)
Amplitude Variation
925 - 960 MHz
Absolute Attenuation
10 - 880 MHz
880 - 905 MHz
905 - 915 MHz
980 - 1050 MHz
1050 - 1100 MHz
1100 - 2775 MHz
2775 - 2880 MHz
2880 - 4625 MHz
4625 - 4800 MHz
4800 - 6000 MHz
Output Amplitude Balance (|S
31
/S
21
|)
925 - 960 MHz
Output Phase Balance [Φ(S
31
)-ΦS
21
+180]
925 - 960 MHz
Input/Output VSWR
925 - 960 MHz
Source Impedance
(4)
Load Impedance (Balanced)
(4)
Notes:
1.
2.
3.
4.
Minimum
-
-
-
-
31
22
16
18
25
30
45
38
45
43
-1
-10
-
-
-
Typical
942.5
1.35
1.35
0.3
37
24
21
20
31
34
53
44
55
50
0.8
3.5
1.9
50
200||80nH
Maximum
-
2.3
2.1
1.3
-
-
-
-
-
-
-
-
-
-
1
10
2.5
-
-
Unit
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
degree
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
4
80nH
200
Ω
6
50
Ω
Single-ended
Input
50Ω
1,3,5
200
Ω
Balanced
Output
Subject to change or obsolescence without notice
Rev C
07-Dec-2004
Page 4 of 7
Data Sheet
Part Number 856387
942.5 MHz SAW Filter
Typical Performance
(at +25
o
C)
Subject to change or obsolescence without notice
Rev C
07-Dec-2004
Page 5 of 7
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