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參數資料
| 型號： | TFS71D |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | Specification |
| 中文描述： | 1 FUNCTIONS, 71 MHz, SAW FILTER |
| 文件頁數： | 1/3頁 |
| 文件大小： | 40K |
| 代理商： | TFS71D |
TFS71D
__________________________________________________________________________________
VI
TELEFILTER
Specification TFS 71 D - Page 1/3
__________________________________________________________________________________
09/97
1. Measurement Condition
Ambient temperature TA:
Input power level:
Source impedance:
Load impedance:
23 °C
0 dBm
50
(refer to page 2)
50
(refer to page 2)
2. Construction and Pin Configuration
see page 2
3. Characteristics
Remark:
Reference level for the relative attenuation arel and the band width BW of the TFS 71 D 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 center frequency fo
is the arithmetic mean value of the upper and lower frequencies at the 1,5 dB filter attenuation level relative to the insertion loss
ae.
Description
______________________________________________________________________________________________________
Insertion Loss
ae
(Reference Level)
______________________________________________________________________________________________________
Center Frequency
fo
______________________________________________________________________________________________________
1 dB - Band Width
1,5 dB - Band Width
______________________________________________________________________________________________________
Relative Attenuation
arel
typ. value
Variation / Limitation
5,4
dB
max 8
dB
-
71,0
MHz
195
235
kHz
kHz
min
±
65
min
±
82,5
kHz
kHz
fo ± 200
fo
±
400
fo
±
600
fo ± 800
fo ±
______________________________________________________________________________________________________
Group Delay
GD
kHz ... fo ± 400
kHz ... fo
±
600
kHz ... fo
±
800
kHz ... fo ±
MHz ... fo ±
kHz
kHz
kHz
MHz
MHz
-
-
-
-
-
min 4
min 20
min 25
min 27
min 35
dB
dB
dB
dB
dB
1,6
10
1,6
2,15
μ
s
-
Group Delay Ripple
______________________________________________________________________________________________________
Terminating Impedances
Input
Output
______________________________________________________________________________________________________
Temperature Coefficient
TC 1st order
______________________________________________________________________________________________________
Operating Temperature Range
______________________________________________________________________________________________________
DC - Voltage
Vdc
*)
AC - Voltage
Vac
*)
______________________________________________________________________________________________________
fo
±
80 kHz
200
ns
max 400
ns
832
// -15,1 pF
1055
// -11,6 pF
0
ppm/K
-
- 25 °C ... + 85 °C
-
-
max 12
max 10
V
V
*)
Between any pins
__________________________________________________________________________________
VI
TELEFILTER / Potsdamer Strae 18 / D - 14 513 TELTOW
Tel: +49 3328 4784-52 / Fax: +49 3328 4784-30 / E-Mail: tft@tft.telco-tech.de
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