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TFS71D Specification
型号:   TFS71D
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描述:   Specification
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品牌   VECTRON [ Vectron International, Inc ]
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TFS71D
09/97
__________________________________________________________________________________
Specification
TFS 71 D - Page 1/3
__________________________________________________________________________________
VI
TELEFILTER
1. Measurement Condition
Ambient temperature TA:
Input power level:
Source impedance:
Load impedance:
23
0
50
50
°C
dBm
(refer to page 2)
(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
typ. value
Variation / Limitation
______________________________________________________________________________________________________
Insertion Loss
ae
5,4 dB
max 8
dB
(Reference Level)
______________________________________________________________________________________________________
Center Frequency
fo
-
71,0
MHz
______________________________________________________________________________________________________
1 dB - Band Width
195
kHz
min
±
65
kHz
1,5 dB - Band Width
235
kHz
min
±
82,5
kHz
______________________________________________________________________________________________________
Relative Attenuation
arel
fo ± 200
kHz ... fo ± 400
kHz
-
min
4
dB
fo
±
400
kHz ... fo
±
600
kHz
-
min 20
dB
fo
±
600
kHz ... fo
±
800
kHz
-
min 25
dB
fo ± 800
kHz ... fo ±
1,6 MHz
-
min 27
dB
fo ±
1,6 MHz ... fo ± 10
MHz
-
min 35
dB
______________________________________________________________________________________________________
Group Delay
GD
2,15
µs
-
Group Delay Ripple
fo
±
80 kHz
200
ns
max 400
ns
______________________________________________________________________________________________________
Terminating Impedances
Input
832
// -15,1 pF
Output
1055
// -11,6 pF
______________________________________________________________________________________________________
Temperature Coefficient
TC 1st order
0
ppm/K
-
______________________________________________________________________________________________________
Operating Temperature Range
- 25 °C ... + 85 °C
______________________________________________________________________________________________________
-
max 12
V
DC - Voltage
Vdc
*)
-
max 10
V
AC - Voltage
Vac
*)
______________________________________________________________________________________________________
*)
Between any pins
__________________________________________________________________________________
VI
TELEFILTER / Potsdamer Straße 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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