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參數資料
| 型號： | TFS402 |
| 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, 402.76 MHz, SAW FILTER |
| 文件頁數： | 1/5頁 |
| 文件大小： | 61K |
| 代理商： | TFS402 |
Tfs402.doc
VI TELEFILTER
Version 2.0
TFS 402
17.04.2000
1/5
Filter Specification
____________________________________________________________________________________________________________________________________________________________________________________________________________
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
1. Measurement condition
Ambient temperature T
A
:
Input power level:
Terminating impedances in fc:
25 °C
0 dBm
for input:
for output:
50
0 pF.
50
0 pF.
2. Characteristics
Remark:
Reference level for the relative attenuation
arel
of the
TFS 402
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 reference frequence
fc
is the arithmetic mean value of the upper and lower frequencies at
the
6 dB
filter attenuation level relative to the insertion loss
ae.
The nominal frequency
fN
is fixed on
402,76 MHz
without tolerance. The given
values for the relative attenuation
arel
and for the group delay ripple have to be reached at the frequencies given below also if the centre frequency
fc
is shifted due to a production tolerance for the centre frequency
fc
.
Data
typ. value
tolerance / limit
Insertion loss
(Reference level)
ae
max 24
dB
Nominal frequency
fN
402,76 MHz
Reference frequency fc
at ambient temperature (
f
CTA
)
Pass band (-1 dB)
in the operating temperature range:
402,76 ± 1
MHz
fN - 15,25 MHz ... fN + 15,25 MHz
Amplitude ripple in pass band (p-p):
-
max. 1,0
dB
with sliding interval 1 MHz in pass band (p-p):
-
max. 0,5
dB
Relative attenuation
arel
fN
fN ± 24,5
fN - 401
fN + 100
fN ± 15,25 MHz
fN ± 100
fN - 100
fN + 600
-
max. 1
dB
MHz
MHz
-
min. 38
dB
MHz
MHz
-
min. 25
dB
MHz
MHz
min. 25
dB
Group delay
470 μs
-
Deviation from linear phase in pass band (p-p):
max. 4,5
°
The part will not show any critical pyroelecric effect for temperature changes of
0,5 °C / min
Temperature coefficient of frequency ( Tc
f
)
- 72
ppm/°C
Frequency deviation of fc over temperature T:
fc(Hz) = Tc
f
(ppm/K) x (T - T
A
) x f
CTA
(MHz)
Operating temperature range
to work without damage
- 40 °C ... + 85 °C
Storage temperature range
- 40 °C ... + 85 °C
Responsible:
Generated:
Checked / approved
:
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TFS403 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS403_06 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS403_A | 制造商:Vectron International 功能描述:SAW Filter, Center Freq= 403.5MHz, Application: Medical, (T/R) |
| TFS403A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS408 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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