857072
242.5 MHz SAW Filter
Applications
For WCDMA applications
Product Features
Usable bandwidth 25 MHz
Low loss
High attenuation
Low EVM
Balanced operation
Ceramic Surface Mount Package (SMP-28C)
Small Size: 7.00 x 5.50 x 1.24 mm
Hermetically Sealed
RoHS
compliant (2002/95/EC),
Pb-free
Pb
Functional Block Diagram
Top view
8
9
7
6
5
10
1
2
3
4
General Description
9
The 857072 is a high-performance IF SAW filter with a
center frequency of 242.5 and minimum 1.0 dB
bandwidth of 25 MHz
It features low loss with excellent attenuation, and is
designed to be used with a balanced input and output.
The small size of this surface mounted filter makes it an
economical choice for demanding applications such as
WCDMA or other similar high data rate communications
standards.
This device is RoHS compliant and Pb-free.
Pin Configuration
Pin # Bal/Bal
10
9
5
4
1,2,3
6,7,8
Description
Input +
Input -
Output +
Output -
Case Ground
Case Ground
Ordering Information
Part No.
857072
857072-EVB
Description
packaged part
evaluation board
Standard T/R size = 3000 units/reel.
Data Sheet: Rev C 05/10/12
© 2012 TriQuint Semiconductor, Inc.
- 1 of 6 -
Disclaimer: Subject to change without notice e
Connecting the Digital World to the Global Network
®
857072
242.5 MHz SAW Filter
Specifications
Electrical Specifications
(1, 2)
Specified Temperature Range:
(3)
+10 to +75 ºC
Parameter
(4)
Center Frequency
Insertion Loss
1.0 dB Bandwidth
(10)
2.0 dB Lower Band edge
(9)
2.0 dB Upper Band edge
(9)
35 dB Bandwidth
(10)
Pass Band Flatness
(7)
Absolute Delay
Group Delay Ripple
(6)
Group Delay Ripple
(6)
EVM
(8)
Temperature Coefficient
Input Return Loss
Output Return Loss
Stopband Attenuation
(10)
Conditions
f
o
at 242.5 MHz
Min
-
-
25
-
255
-
-
-
-
-
-
-
8.5
8.5
40
45
35
26
35
40
-
Typical
(5)
242.5
9
27.6
228.7
256.8
32.2
0.4
0.67
30
29
1.2
-94
12
19
46
50
42
36
38
53
100
Max
-
10.5
-
230
-
35.5
1.0
0.70
60
50
2
-
-
-
-
-
-
-
-
-
-
Units
MHz
dB
MHz
MHz
MHz
MHz
dB
µs
ns p-p
ns p-p
%
ppm/ ºC
dB
dB
dB
dB
dB
dB
dB
dB
230 – 255 MHz
over f
o
+/- 12.5 MHz
over f
o
+/- 12.5 MHz
Any 3.84 MHz channel over f
o
+/- 12.5 MHz
Any 3.84 MHz channel over f
o
+/- 12.5 MHz
over f
o
+/- 12.5 MHz
over f
o
+/- 12.5 MHz
5 – 25 MHz
25 – 100 MHz
100 – 225 MHz
260 – 260.7 MHz
260.7 – 310 MHz
310 – 500 MHz
Source/Load Impedance (balanced)
(11)
Notes:
1. All specifications are based on the TriQuint schematic for the main reference design shown on page 3
2. An external impedance matching network with ±2% tolerance will be necessary to achieve the proposed specifications
3. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over
temperature
4. Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances
5. Typical values are based on average measurements at room temperature
6. This ripple is defined as the worst peak to adjacent valley within specified frequency range
7. Passband Flatness is defined as the difference between maximum and minimum loss over the specified band
8. The EVM specification is guaranteed by design and measured approximately in production
9. 2.0 db Band edges are relative to Minimum Loss
10. All Bandwidth and Attenuation measurements are relative to loss at 1dB Center Frequency
11. This is the optimum impedance in order to achieve the performance shown
Absolute Maximum Ratings
(Operation of this device outside the parameter ranges given above may cause permanent damage)
Parameter
Operable /Storage Temperature
Input Power
Rating
-40 to +85
o
C
+10dBm (Measured with continuous sine wave signal. Expected lifetime of greater
than or equal to 10K Hrs at 55
o
C)
Data Sheet: Rev C 05/10/12
© 2012 TriQuint Semiconductor, Inc.
- 2 of 6 -
Disclaimer: Subject to change without notice e
Connecting the Digital World to the Global Network
®
857072
242.5 MHz SAW Filter
Reference Design – 100
Schematic
33nH
9
5
12pF
10
1,2,3
6,7,8
4
30nH
100
30nH
Bal Input, 100
Bal Output
100
Balanced
Input
100
12pF
33nH
100
Balanced
Output
Notes:
1.
Actual matching values may vary due to PCB layout and parasitic
PC Board
Mounting Configuration
7.20
1.27
960686
L1
C1
L2
TriQuint
857072
JJJYHH
L3
C2
5.70
2.54
L4
1.60
0.80
1.20
Notes:
Top, middle & bottom layers: 1 oz copper
Substrates: FR4 dielectric, .031” thick
Finish plating: Nickel: 3-8µm thick, Gold: .03-.2µm thick
Hole plating: Copper min .0008µm thick
Notes:
1.
All dimensions are in millimeters.
2.
This footprint represents a recommendation only.
Bill of Material
Reference Desg.
L1
L2
L3
L4
C1
C2
SMA
PCB
Value
33nH
33nH
30nH
30nH
12pF
12pF
N/A
N/A
Description
Coil Wire-wound, 0603 5%
Coil Wire-wound, 0603, 5%
Coil Wire-wound, 0603, 5%
Coil Wire-wound, 0603, 5%
Chip Ceramic, 0603, 5%
Chip Ceramic, 0603, 5%
SMA connector
3-layer
Manufacturer
MuRata
MuRata
MuRata
MuRata
MuRata
MuRata
Johnson Components
multiple
Part Number
LQW18AN33NJ00
LQW18AN33NJ00
LQW18AN30NJ00
LQW18AN30NJ00
GRM1885C1H120JA01
GRM1885C1H120JA01
142-0701-801
960686
Data Sheet: Rev C 05/10/12
© 2012 TriQuint Semiconductor, Inc.
- 3 of 6 -
Disclaimer: Subject to change without notice e
Connecting the Digital World to the Global Network
®
857072
242.5 MHz SAW Filter
Typical Performance
(at room temperature)
Data Sheet: Rev C 05/10/12
© 2012 TriQuint Semiconductor, Inc.
- 4 of 6 -
Disclaimer: Subject to change without notice e
Connecting the Digital World to the Global Network
®
857072
242.5 MHz SAW Filter
Mechanical Information
Package Information, Dimensions and Marking
TriQuint
857072
JJJYHH
Package Style: SMP-28C
Dimensions: 7.00 x 5.50 x 1.24 mm
Date code
Pad 1
ID dot
Body:
Al
2
O
3
ceramic
Lid:
Kovar, Ni
plated
Terminations:
Au
plating 0.5 - 1.0μm, over a 2-6μm
Ni
plating
All dimensions shown are nominal in millimeters
All tolerances are ±0.15mm except overall length and width
±0.10mm
The date code consists of: day of the current year (Julian,
3 digits), Y = last digit of the year (1 digit), and HH = hour
(2 digits)
1.24 NOM.
1.35 MAX.
7.00
1.27
1.40
0.69
5.50
2.54
0.60
1.00
Tape and Reel Information
Standard T/R size = 3000 units/reel. All dimensions are in millimeters
16.8
2.7
Ø330
Pad 1 ID dot
0.3
4.0
2.0
Ø1.5
A
1.75
7.5
Ø102
Direction of travel
Ø20.2
Ø13.0
2.0
7.3
16.0
2.2
Section A-A
5.8
8.0
Ø1.5
A
Data Sheet: Rev C 05/10/12
© 2012 TriQuint Semiconductor, Inc.
- 5 of 6 -
Disclaimer: Subject to change without notice e
Connecting the Digital World to the Global Network
®
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