SAW Filters
TMX W312
SAW Bandpass Filter – GPS – RF
Specification (Rev 4)
Features................................................................................... P01
Package Drawing & Pin out.................................................... P01
Technical Characteristics ....................................................... P02
Matching Network.................................................................... P02
Nominal Response.................................................................. P03
Maximum Ratings.................................................................... P04
Marking & Packaging .............................................................. P04
TMX W312
SAW Bandpass Filter – GPS – RF
Specification (Rev 4)
September 25 , 2005
th
Features
q
q
q
q
q
GPS Filter
1575,42 MHz Center Frequency
2,4 MHz useable Passband
50
Ω
Single Configuration
Ceramic Package for Surface Mounted Technology
Package Drawing & Pin out
The product is in conformance with the European RoHs Regulation 2002/95.
Pin Configuration
Input
Output
Case ground
B
D
A, C
1
TMX W312
SAW Bandpass Filter – GPS – RF
Specification (Rev 4)
September 25 , 2005
th
Technical Characteristics
Reference Temperature : +25°C
Electrical Parameters
Source Impedance (single ended)
Load Impedance (single ended)
Center Frequency fo
Bandwidth at –3 dB
Absolute attenuation
DC to 1400 MHz
1400 MHz to 1475 MHz
1475 MHz to 1525 MHz
1625 MHz to 1640 MHz
1640 MHz to 2000 MHz
2000 MHz to 3000 MHz
Insertion Loss within 1574.22 MHz ~ 1576.62 MHz
VSWR within 1574.22 MHz ~ 1576.62 MHz
Ripple within 1574.22 MHz ~ 1576.62 MHz
dB
dB
dB
dB
dB
dB
dB
dB
35
30
25
30
32
32
-
-
-
37
34
37
45
34
34
1.5
1.2
0.1
-
-
-
-
-
-
2.2
2.0
1.0
Unit
Ω
Ω
MHz
MHz
Minimum
-
-
-
2.4
Typical
(1)
50
(2)
50
-
(2)
Maximum
-
-
-
-
1575.42
Notes :
(1) Typical values are nominal performances at room temperature.
(2) No external matching network is required.
(3) The amplitude variation is defined as the maximum level – minimum level over the given bandwidth.
Matching Network
2
TMX W312
SAW Bandpass Filter – GPS – RF
Specification (Rev 4)
September 25 , 2005
th
Nominal Frequency Response (Measurements)
Frequency Response
Frequency Response
3
TMX W312
SAW Bandpass Filter – GPS – RF
Specification (Rev 4)
Maximum Ratings
September 25 , 2005
th
Operating Temperature Range
Storage Temperature Range
DC voltage between any two pins
Input Power Level
°C
°C
V
dBm
[-40°C ; +85°C]
[-40°C ; +85°C]
5
10
Marking
LINE 1
LINE 2
Line 1: “P C” with P for the code product identification and C for the partner identifier
Line 2: “Y W” with Y for the last digit of the year and W for the week code (A to Z for the week 1 to 26 and a to z for the
week 27 to 52.
Packaging
1.
2.
3.
Temex label
ESD Prevention label
Pb free label (if applicable)
3
Scanning Orientation
4
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