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參數資料
| 型號： | TFS380G |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | TELEFILTER |
| 中文描述： | TELEFILTER |
| 文件頁數： | 1/5頁 |
| 文件大小： | 83K |
| 代理商： | TFS380G |
Filename: tfs380g.doc
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance at fc
*:
input:
Characteristics
Remark:
The reference level for the relative attenuation arel of TFS 380G is the minimum of the pass band attenuation amin. This value is defined as the
insertion loss ae. The centre frequency fc is the arithmetic mean value of the upper and lower frequencies at the 1 dB filter attenuation level
relative to the insertion loss ae. The given values for the relative attenuation arel and the group delay ripple have to be reached at the frequencies
given below, even if the centre frequency fc 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 fc.
D a t a
version 1.1
10.09.2003
Filter Specification
TFS 380G
1/5
TELEFILTER GmbH
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / 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.
23
°
C
0 dBm
880
II – 4,5 pF
output: 850
II – 3,7 pF
typ. value
limit
Insertion loss
ae = amin
12,6 dB
max. 14
dB
Nominal frequency
fN
Centre frequency
-
380
MHz
fc
380
MHz
-
Relative attenuation
arel
f
N
f
N
±
1,72 kHz ... f
N
±
... f
N
±
1,72 MHz
1,92
0,5 dB
1,0 dB
max.
max.
1
1,5 dB
dB
MHz
f
N
±
f
N
±
f
N
±
f
N
- 375
f
N
-
f
N
-
f
N
+
f
N
+
2,5 kHz ... f
N
±
3
MHz ... f
N
±
4
MHz ... f
N
±
MHz ... f
N
-
50
MHz ... f
N
-
14,5 MHz ... f
N
-
6
MHz ... f
N
+
50
MHz ... f
N
+
3
4
6
MHz
MHz
MHz
MHz
MHz
MHz
MHz
GHz
8
dB
dB
dB
dB
dB
dB
dB
dB
min.
min.
min.
min.
min.
min.
min.
min.
5
dB
dB
dB
dB
dB
dB
dB
dB
28
41
60
53
45
43
45
22
35
55
50
40
40
40
50
14,5
6
50
3
Group delay ripple
in f
N
± 1,92
MHz
65
ns
max. 100
ns
Phase linearity
in f
N
± 1,92
MHz
0,8 deg rms
max.
3
deg rms
Input power level
VSWR
-
max. + 20
dBm
within
f
N
±
1,92 MHz
16
dB
min.
12
dB
Operating temperature range
-
-10
°
C...+ 85
°
C
Storage temperature range
-
- 35
°
C.. + 85
°
C
Temperature coefficient
TC
**
- 0,04 ppm/K2
-
Frequency inversion temperature
T
0
45
°C
-
*) The terminating impedances depend on parasitics and q-values of matching elements and the board used, and are to be understood as
reference values only. Should there be additional questions, do not hesitate to ask for an application note or contact our design team
**)
f(Hz) = TCf(ppm/K) x (T-T
0
)2 x fTo(MHz)
generated:
checked / approved:
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