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參數(shù)資料
| 型號(hào)： | TFS311A |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | Filter specification |
| 中文描述： | 1 FUNCTIONS, 311 MHz, SAW FILTER |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 58K |
| 代理商： | TFS311A |
tfs311a.doc
______________________________________________________________________________________________________
VI RELEFILTER
Filter specification
______________________________________________________________________________________________________
version 1.1
01/99
TFS 311 A 1/4
______________________________________________________________________________________________________
VI TELEFILTER
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-52 / Fax: (+49) 3328 4784-30
E-Mail: tft@telefilter.com
VI TELEFILTER reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is
assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information.
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail: vti@vtinh.com
Measurement condition
Ambient temperature:
Input power level:
Terminating impedances
23
°
C
0 dBm
for input:
for output:
700
// -2,1 pF
700
// -2,1 pF
82 nH
Ext coil:
Construction
see page 2
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 311A is the minimum of the pass band attenuation amin. The minimum of the pass band
attenuation amin is defined as the insertion loss ae. The centre frequency fo is the arithmetic mean value of the upper and lower frequencies at the
3 dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed on 311,000 MHz without tolerance. The given values
for the relative attenuation arel and for the group delay ripple have to be reached at the frequencies given below also if the centre frequency fo is
shifted due to the temperature coefficient of frequency TCf in the operating temperature range and due to a production tolerance for the centre
frequency fo.
D a t a
______________________________________________________________________________________________________
Insertion loss
ae = amin
(Reference level)
______________________________________________________________________________________________________
Nominal frequency
fN
Centre frequency
fo
______________________________________________________________________________________________________
Pass band ripple
fN - 68 kHz ... fN + 93 kHz
______________________________________________________________________________________________________
Relative attenuation
arel
typ. value
tolerance / limit
4,0
dB
max 5
dB
-
311,000 MHz
-
311,012 Mhz
-
max 1,5
dB
311,0 Mhz -
311,0 MHz ± 330
311,0 MHz ± 400
311,0 MHz ± 600
311,0 MHz ±
311,0 MHz ±
______________________________________________________________________________________________________
Group delay distortion
GDD
68
kHz ... 311,0 Mhz + 93
kHz ... 311,0 MHz ± 400
kHz ... 311,0 MHz ± 600
kHz ... 311,0 MHz ±
MHz ... 311,0 MHz ±
MHz ... 311,0 MHz ± 20
kHz
kHz
kHz
MHz
MHz
MHz
0,5
25
32
48
50
55
dB
dB
dB
dB
dB
dB
max 1,5
min 18
min 25
min 30
min 38
min 45
dB
dB
dB
dB
dB
dB
1,6
3,0
1,6
3,0
311,0 MHz ± 50
311,0 MHz ± 70
311,0 MHz ± 100
______________________________________________________________________________________________________
Operating temperature range
Storage temperature range
______________________________________________________________________________________________________
Temperature coefficient of frequency
TCf
______________________________________________________________________________________________________
Frequency inversion temperature
______________________________________________________________________________________________________
kHz
kHz
kHz
0,4
0,7
1,0
μs
μs
μs
max 1,2
max 1,5
max 2,5
μ
s
μ
s
μ
s
- 20
°
C ... + 70
°
C
- 30
°
C ... + 85
°
C
- 0,036 ppm/K2
-
+ 25
°C
-
Generated:
Checked / approved:
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TFS312 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS315 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS315D | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS315E | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS315F | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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