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Электронный компонент: 856056

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Preliminary Data Sheet
Part Number 856056
1880 MHz SAW Filter
Subject to change or obsolescence without notice
Rev D
04-Sep-2002
Page 1 of 6
Features
For PCS applications
Usable bandwidth 60 MHz
Low loss
No impedance matching required for operation
at 50
Single-ended operation
Ceramic Surface Mount Package (SMP)
Small size
Package
Pin Configuration
Surface Mount 2.00 x 2.00 x 0.76 mm
Bottom View
4
3
2
1
Pin No.
Description
1
Input
3
Output
2,4
Case
ground
0.25x45
CHAMFER
0.58
0.58
1.30
1.30
2.00
2.00
0.76 NOM.
0.84 MAX.
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 - 1.0
m,
over a 2 - 6
m Ni plating
Preliminary Data Sheet
Part Number 856056
1880 MHz SAW Filter
Subject to change or obsolescence without notice
Rev D
04-Sep-2002
Page 2 of 6
Electrical Specifications
(1)

Operating Temperature Range:
(2)
-20 to +70
o
C
Parameter
(3)
Minimum
Typical
Maximum
Unit
Center Frequency
- 1880 -
MHz
Maximum Insertion Loss
1850
-
1910
MHz

-
2.5
4
dB
In Band Ripple
1850
-
1910
MHz

-
1.2
2.7
dB p-p
Absolute Attenuation
DC
-
1660
MHz
1660
-
1721
MHz
1721
-
1800
MHz
1930 - 1990 MHz
1930 - 1990 MHz (+10
to +55
o
C)
1990
-
2000
MHz
2000
-
2250
MHz
2250
-
2480
MHz
3700
-
3820
MHz
20
20
24
17
24
20
22
20
30
22
23
27
27
27
25
24
23
33
-
-
-
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
Input/Output Return Loss
1850
-
1910
MHz
8.0
9.5
-
dB
Source Impedance
(4)
- 50 -
Load Impedance
(4)
- 50 -

Notes:
1. All specifications are based on the test circuit shown below
2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over
temperature
3. Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances
4. This is the optimum impedance in order to achieve the performance shown

Test Circuit:
50
Single-ended
2,4
1
3
50
50
No impedance matching
required
Preliminary Data Sheet
Part Number 856056
1880 MHz SAW Filter
Subject to change or obsolescence without notice
Rev D
04-Sep-2002
Page 3 of 6
Electrical Specifications
(1)

Operating Temperature Range:
(2)
-30 to +80
o
C
Parameter
(3)
Minimum
Typical
Maximum
Unit
Center Frequency
- 1880 -
MHz
Maximum Insertion Loss
1850
-
1908
MHz
1908
-
1910
MHz


-
-
2.3
2.5
4
4.5
dB
dB
In Band Ripple
1850
-
1910
MHz

-
1.2
2.7
dB p-p
Absolute Attenuation
DC
-
1660
MHz
1660
-
1721
MHz
1721
-
1800
MHz
1930 - 1990 MHz
1930 - 1990 MHz (+10
to +55
o
C)
1990
-
2000
MHz
2000
-
2250
MHz
2250
-
2480
MHz
3700
-
3820
MHz
20
20
24
12
24
20
22
20
30
22
23
27
27
27
25
24
23
33
-
-
-
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
Input/Output Return Loss
1850
-
1910
MHz
8.0
9.5
-
dB
Source Impedance:
(4)
- 50 -
Load Impedance:
(4)
- 50 -

Notes:
1. All specifications are based on the test circuit shown below
2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over
temperature
3. Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances
4. This is the optimum impedance in order to achieve the performance shown

Test Circuit:
50
Single-ended
2,4
1
3
50
50
No impedance matching
required
Preliminary Data Sheet
Part Number 856056
1880 MHz SAW Filter
Subject to change or obsolescence without notice
Rev D
04-Sep-2002
Page 4 of 6
Typical Performance
(at +25
o
C)
Preliminary Data Sheet
Part Number 856056
1880 MHz SAW Filter
Subject to change or obsolescence without notice
Rev D
04-Sep-2002
Page 5 of 6
Matching Schematics
50
Single-ended
2,4
1
3
50
50
No impedance matching
required
Marking
PCB Footprint
ID dot
Marking
code
logo
Sawtek
Date code
E
JJJYM
.51
.78 SQ
CHAMFER
2.08 SQ
.31x45
The date code consists of: JJJ = Julian day,
Y = last digit of year, M = manufacturing site code
This footprint represents a recommendation only
Dimensions shown are nominal in millimeters
Tape and Reel
8.0
3.5
1.1
Section A-A
2.23
2.23
1.0
A
A
4.0
1.75
1.5
4.0
2.0
0.254
8.5
2.7
102
13.0
20.2
330
Direction of travel
2.0
logo
Sawtek
ID dot
Dimensions shown are nominal in millimeters
Packaging quantity: 10000 units/reel