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參數資料
| 型號： | TFS309 |
| 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, 309.6 MHz, SAW FILTER |
| 文件頁數： | 1/5頁 |
| 文件大小： | 49K |
| 代理商： | TFS309 |
tfs309.doc
VI
TELEFILTER
version 1.5
13.07.2000
Filter Specification
TFS 309
1/5
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:
External coil:
540 Ohm // -1,7 pF
540 Ohm // -1,7 pF
116 nH
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 309 is the insertion loss. The insertion loss ae is defined as the insertion loss at the
nominal frequency f
. The centre frequency fC 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 f
N
is fixed on 309,6 MHz without tolerance. The specified values have to be reached in
operating temperature range.
D a t a
typ.value
tolerance/limit
Insertion loss
(Reference level)
ae
2,75
dB
2,1 ... 4,1 dB
Nominal frequency
f
N
-
309,600 MHz
Centre frequency
f
C
309,62
MHz
-
1 dB bandwidth
BW
270
kHz
-
Relative attenuation
f
N
± 1,8 MHz ... f
N
± 6 MHz
f
N
± 6 MHz ... f
N
± 100 MHz
arel
47
dB
dB
min.
min.
30
20
dB
dB
28...65
VSWR
@ f
N
1,2:1
min. 1,8 : 1
Group delay
@ f
N
GD
2,6
μs
max.
4,6
μ
s
Input power
-
max.
10
dBm
Operating temperature range
- 5
°
C ... + 80
°
C
Temperature coefficient of frequency
TC
ca. – 0,036 ppm/K2
Frequency inversion temperature
+ 25
°
C
Generated:
Checked / approved:
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相關代理商/技術參數 |
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| TFS311 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Spezification |
| TFS311A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| 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 |
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