參數(shù)資料
型號: TFS403
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, 403.5 MHz, SAW FILTER
封裝: ROHS COMPLINT PACKAGE-8
文件頁數(shù): 1/5頁
文件大?。?/td> 110K
代理商: TFS403
Tfs403.doc
VI
TELEFILTER
version 1.4
25.11.2002
Filter Specification
TFS 403
1/5
Measurement condition
Ambient temperature:
Input power level:
Terminating impedances at fc
*:
nput: 81
II –11,5 pF
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 403 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 fc is the arithmetic mean value of the upper and lower frequencies at
the 3 dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed at 403,5 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 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
VI TELEFILTER
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
tft@telefilter.com
E-Mail:
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
output: 86
II –12,6 pF
typ. Value
Limit
Insertion loss
(Reference level)
Nominal frequency
ae
4,6 dB
max. 5,5 dB
fN
-
403,5 MHz
Pass band
PB
fN
±
1,5 MHz
Amplitude ripple in PB
p-p
0,6 dB
max.
1
dB
Relative attenuation
fN
arel
.......
fN ±
1,5
MHz
-
max. 1
dB
fN ±
fN ± 9
fN ±
fN + 400,5 MHz ....... fN + 406,5
2 fN ± 3
MHz
Return loss
within PB
5,5 MHz ...... fN ±
MHz ....... fN ±
19,5 MHz ....... fN ±
9
MHz
MHz
MHz
MHz
32 dB
32 dB
45 dB
70 dB
85 dB
min. 20
min. 25
min. 35
min. 20
min. 20
dB
dB
dB
dB
dB
19,5
23,5
14 dB
-
Input power level
-
max. 10
dBm
Temperature coefficient of frequency Tc
f
**
-20 ppm/K
Operating temperature range
-
- 10 °C.. + 60
°C
Storage temperature range
-
- 40 °C.. + 85
°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.
**)
fc(Hz) = Tc
f
(ppm/K) x (T - T
A
) x f
CTA
(MHz)
generated:
checked / approved:
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