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參數(shù)資料
| 型號(hào)： | SAWTEK855914 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 326.4 MHz SAW Filter |
| 中文描述： | 326.4兆赫SAW濾波器 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 563K |
| 代理商： | SAWTEK855914 |
Data Sheet
Part Number 855914
326.4 MHz SAW Filter
Subject to change or obsolescence without notice
Rev C
09-Sep-2002
Page 2 of 5
Electrical Specifications
(1)
Temperature Range:
(2)
-10 to +80
o
C
Parameter
(3)
Minimum
-
-
-
333.9
15
313.9
-
-
50
45
45
50
-
-
-
-
-
-
Typical
326.4
12.61
317.77
335.18
17.4
314.62
338.31
23.69
60
51
56
64
0.2
24
1.33:1
1.34:1
50
50
Maximum
-
17
318.9
-
-
-
338.9
25
-
-
-
-
0.5
50
2.0:1
2.0:1
-
-
Unit
MHz
dB
MHz
MHz
MHz
MHz
MHz
MHz
dB
dB
dB
dB
dB p-p
nsec
-
-
Center Frequency
Minimum Insertion Loss
2 dB Lower Frequency
2 dB Upper Frequency
2 dB Bandwidth
40 dB Lower Frequency
40 dB Upper Frequency
40 dB Bandwidth
Relative Attenuation
10 - 276.4 MHz
276.4 - 306.4 MHz
346.4 - 376.4 MHz
376.4 - 450 MHz
Amplitude Ripple
323.9 - 328.9 MHz
Group Delay Variation
318.9 - 333.9 MHz
Input VSWR
318.9 - 333.9 MHz
Output VSWR
318.9 - 333.9 MHz
Source Impedance
(4)
Load Impedance
(4)
Notes:
1. All specifications are based on the test circuit shown below
2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over
temperature
3. Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances
4. This is the optimum impedance in order to achieve the performance shown
Test Circuit:
Actual matching values may vary due to PCB layout and parasitics
50
Single-ended
1,2,3,5,6,7
8,9,11,12
50
18pf
27nH
33pf
10
4
50
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