SAW Filter
Characteristics of Channel1
Characteristic
Center Frequency
Insertion attenuation
479.50 MHz
(Reference level for the following data)
Pass bandwidth
Relative attenuation
Lower sidelobe
Upper sidelobe
α
rel
≤3dB
466.00 MHz
493.00 MHz
430.00 ….455.00 MHz
504.00 … 530.00 MHz
f
C
α
B
3dB
α
rel
NMF479.5-7
Min.
478.50
--
--
--
--
34.0
34.0
40.0
∆α
∆
τ
TC
f
--
--
--
Typ.
479.50
22.0
27.0
3.2
3.5
39.0
39.0
45.0
0.6
10
-86
Max.
480.50
24.5
--
5.0
5.0
--
--
--
1.2
18
--
Unit
MHz
dB
MHz
dB
dB
dB
dB
dB
dB
ns
ppm/K
Reflected wave signal suppression
0.135µs … 2.0µs after main pulse
Amplitude ripple (p-p)
Group delay ripple (p-p)
471.00 … 488.00 MHz
466.00 … 493.00 MHz
Temperature coefficient of frequency
Characteristics of Channel2
Characteristic
Center Frequency
Insertion attenuation
479.50 MHz
(Reference level for the following data)
Pass bandwidth
Relative attenuation
Lower sidelobe
Upper sidelobe
α
rel
≤3dB
461.50 MHz
497.50 MHz
430.00 ….449.00 MHz
510.00 … 530.00 MHz
f
C
α
B
3dB
α
rel
Min.
478.50
--
--
--
--
34.0
30.0
40.0
∆α
∆
τ
TC
f
--
--
--
Typ.
479.50
25.0
36.0
3.5
2.3
39.0
36.0
45.0
0.6
12
-86
Max.
480.50
26.5
--
4.8
4.8
--
--
--
1.2
18
--
Unit
MHz
dB
MHz
dB
dB
dB
dB
dB
dB
ns
ppm/K
Reflected wave signal suppression
0.13µs … 2.0µs after main pulse
Amplitude ripple (p-p)
Group delay ripple (p-p)
468.50 … 490.50 MHz
461.50 … 497.50 MHz
Temperature coefficient of frequency
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling!
C
○
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HOPERF [ Hope Microelectronics co., Ltd ]
