SAW Device
SAW Filter for Specified Low Power Radio
n
Features
l
A narrowband filter.
l
Compact and light.
For Industrial Use
Pb
Free
n
Specifications
Model
Item
Nominal frequency : f
0
(MHz)
Insertion loss (dB) at 421.4 to 422.4MHz
In-band ripple (dB) at 421.4 to 422.4MHz
VSWR at 421.4 to 422.4MHz
Guaranteed attenuation
(from the throughlevel)(dB)
Terminating impedance (Ω)
400.8MHz
443.6MHz
min.
–
–
–
–
50
45
–20
WFA17A0422CL
typ.
421.9
2.0
0.5
1.5
60
50
–
50
max.
–
3.5
1.5
2.5
–
–
70
Operating temperature range (°C)
n
Dimensions
mm
PAD NO.
Others
2
3.0±0.2
6
5
4
5
CONNECTION
GND
INPUT
OUTPUT
n
Characteristics
[In-band characteristics]
1.000 dB/
CH1 A/R LOG MAG
REF 0.000 dB
1
2
3
CH1
1.45max
CENTER(MHz) 421.9000
SPAN(MHz) 10.000
3.0±0.2
Reference land pattern
2–1.6±0.15
1
5–0.85±0.151.5±0.15
2
3
1.4
1.25
1.25
[Out-of-band characteristics]
CH1 A/R LOG MAG
REF 0.000 dB
10.000 dB/
4.0
6
5
2–0.6±0.1
4
0.7
0.6
0.7
2.0
CH1 CENTER(MHz) 421.9000
SPAN(MHz) 100.000
sa15_071102_WFA17A0422CL_e1
NDK [ NIHON DEMPA KOGYO ]
