SAW Device
SAW Filter for RFID
n
Features
l
A filter with excellent temperature stability.
l
Compact and light.
l
High electric power-resistant characteristics.
For Industrial Use
Pb
Free
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Specifications
Model
Item
Nominal frequency : f
0
(MHz)
Minimal insertion loss (IL)(dB)
3-dB passband width (MHz)
In-band ripple
Guaranteed attenuation (dB)
(from the minimal insertion loss)
f
0
±1MHz (dB)
f
0
–50MHz to f
0
–8MHz
f
0
–8MHz to f
0
–3MHz
f
0
+3MHz to f
0
+25MHz
f
0
+25MHz to f
0
+50MHz
Operating temperature range (°C)
Terminating impedance (Ω)
min.
–
–
±1.0
–
30
15
15
30
–30
WF893C0953CH
typ.
953
4.0
±1.4
0.7
38
20
21
45
–
820//–1.3pF
max.
–
5.0
–
1.0
–
–
–
–
60
n
Dimensions
3.8±0.2
7
6
5
PAD NO.
3.8±0.2
Others
1
5
CONNECTION
GND
INPUT
OUTPUT
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Characteristics
mm
CH1 A/R LOG MAG
REF –4.000 dB
2.000 dB/
8
4
1
2
3
1.1±0.2
Reference land pattern
4.2
1.9
0.9±0.2
1.4
1.9±0.2
1
2
0.9±0.2
3
1.4
1.8±0.2
CH1
0.8
4.2
CENTER(MHz) 953.0000
SPAN(MHz) 10.000
8
4
1.4
CH1 A/R LOG MAG
REF –4.000 dB
0.8
0.8
0.8
1.25
10.000 dB/
(0.1)
7
0.6±0.2
6
5
1.27±0.2
1.25
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Matching Circuit
IN
11nH
1
5
11nH
OUT
SAW
50Ω
0.5pF
6.5pF
0.5pF
2 3 4 6 7 8 6.5pF
50Ω
CH1
CENTER(MHz) 953.0000
SPAN(MHz) 100.000
sa10_071102_WF893C0953CH_e1
NDK [ NIHON DEMPA KOGYO ]
