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TFS246D SAW filter specification
型号:   TFS246D
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描述:   SAW filter specification
文件大小 :   42 K    4 页
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品牌   VECTRON [ Vectron International, Inc ]
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version 1.2
06.01.02
______________________________________________________________________________________________________
tfs246d.eng
TELE FILTER tft GmbH
SAW filter specification
TFS 246D
1/4
______________________________________________________________________________________________________
Measurement condition
Ambient temperature:
Input power level:
Source impedance:
Load impedance:
Ext.coil:
23
°C
0 dBm
670
|| -3,0 pF
670
|| -3,0 pF
100 nH
Construction and pin connection
see page 2
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 246D 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.
Preliminary Data
______________________________________________________________________________________________________
3,2
dB
max 5
dB
ae = amin
Insertion loss
(Reference level)
______________________________________________________________________________________________________
246,0
MHz
-
fo
Center frequency
______________________________________________________________________________________________________
Relative attenuation
246,0 MHz ± 100
kHz
arel
typ. value
tolerance / limit
max 3
dB
246,0 MHz ± 400
kHz ... 246,0 MHz ± 600
kHz
30
min 25
dB
246,0 MHz ± 600
kHz ... 246,0 MHz ± 800
kHz
40
min 36
dB
246,0 MHz ± 800
kHz ... 246,0 MHz ± 1,6 MHz
50
min 45
dB
246,0 MHz - 1,6 MHz ... 246,0 MHz - 25
MHz
57
min 50
dB
246,0 MHz + 1,6 MHz ... 246,0 MHz + 15
MHz
48
min 45
dB
246,0 MHz + 15
MHz ... 246,0 MHz + 25
MHz
55
min 50
dB
______________________________________________________________________________________________________
GDD
Group delay distortion
246,0 MHz ± 70
kHz
1
µs
max 1,5
µs
______________________________________________________________________________________________________
Operating temperature range
- 25
°C
... + 85
°C
Storage temperature range
- 30
°C
... + 85
°C
______________________________________________________________________________________________________
ca. - 0,036 ppm/K²
Temperature coefficient of frequency
TC
______________________________________________________________________________________________________
Frequency inversion temperature
+ 25°C
______________________________________________________________________________________________________
generated:
checked / approved:
______________________________________________________________________________________________________
VI TELEFILTER
Vectron International, Inc.
Potsdamer Straße 18
267 Lowell Road
D 14 513 TELTOW / Germany
Hudson, NH 03051 / USA
Tel: (+49) 3328 4784-52 / Fax: (+49) 3328 4784-30
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail: tft@telefilter.com
E-Mail: vti@vtinh.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.
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