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參數(shù)資料
| 型號： | B619 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 135K |
| 代理商： | B619 |
3
Dec 13, 1999
SAW Components
Satellite Receiver Filter
Data Sheet
B 619
479,50 MHz
Characteristics of channel 1
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Group delay aperture
T
A
=
Z
S
=
Z
L
25 C
50
50
=
0,25MHz
min.
—
typ.
22,1
max.
24,5
Insertion attenuation
Reference level for the
following data
479,50 MHz
α
dB
Center frequency
f
c
478,50
479,50
480,50 MHz
Pass bandwidth
α
rel
≤
3 dB B
3dB
—
27,0
—
MHz
Relative attenuation
α
rel
466,00 MHz
493,00 MHz
—
—
34,0
34,0
3,2
3,5
39,0
39,0
5,0
5,0
—
—
dB
dB
dB
dB
Lower sidelobe
Upper sidelobe
430,00 … 455,00 MHz
504,00 … 530,00 MHz
Reflected wave signal suppression
0,135
μ
s … 2,0
μ
s after main pulse
40,0
45,0
—
dB
Amplitude ripple (p–p)
α
471,00 ... 488,00 MHz
—
0,3
0,5
dB
Group delay ripple (p–p)
τ
466,00 ... 493,00 MHz
—
10
18
ns
Impedance
at 479,50 MHz
Input:
Output: Z
OUT
= R
OUT
|| C
OUT
Z
IN
= R
IN
|| C
IN
—
—
200|| 3,6
240 || 3,9
—
—
|| pF
|| pF
Temperature coefficient of frequency
TC
f
—
– 86
—
ppm/K
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