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參數資料
| 型號： | TFS215B |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 215 MHz, SAW FILTER |
| 封裝： | ROHS COMPLIANT PACKAGE-10 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 260K |
| 代理商： | TFS215B |
Filename: tfs 215b.doc
Version 1.3
19.01.2007
VI TELEFILTER
Filter specification
TFS 215B
1/5
Tele Filter GmbH
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail: tft@telefilter.com
Measurement condition
Ambient temperature:
23
°C
Input power level:
0
dBm
Terminating impedance: *
Input:
701 || -7,1 pF
Output:
658 || -7,0 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 215B is the minimum of the pass band attenuation. This value is defined as the insertion
loss ae. The nominal frequency fN is fixed at 215 MHz without any tolerance. The values of relative attenuation arel are guaranteed for the whole operating
temperature range. The frequency shift of the filter in the operating temperature range is included in the production tolerance scheme.
D a t a
typ. value
tolerance / limit
Insertion loss
ae
5,3
dB
max.
8,0
dB
(reference level)
Nominal frequency
fN
215,0
MHz
Passband
PB
fN
± 335,0
kHz
Pass band ripple
0
dB
max.
1,0
dB
Amplitude ripple at fN ± 385 kHz
0
dB
max.
2,0
dB
Relative attenuation
arel
fN
… fN ±
335,0
kHz
0,6
dB
max.
1
dB
fN ±
335,0
kHz
… fN ±
385,0
kHz
1,0
dB
max.
2
dB
fN ±
1,05
MHz … fN ±
1,2
MHz
27
dB
min.
30
dB
fN ±
1,2
MHz … fN ±
1,4
MHz
40
dB
min.
35
dB
fN -
8,0
MHz … fN -
1,4
MHz
45
dB
min.
40
dB
fN +
1,4
MHz … fN +
2,4
MHz
39
dB
min.
36
dB
fN +
2,4
MHz … fN +
8,0
MHz
45
dB
min.
40
dB
fN ±
8,0
MHz … fN ±
50,0
MHz
55
dB
min.
45
dB
Group delay
max value in PB
-
max.
2,0
s
Group delay ripple within PB
0,179
s
max.
0,4
s
Operating temperature range
OTR
-
- 40 °C ... + 85°C
Storage temperature range
-
- 40 °C ... + 85°C
Frequency inversion temperature
35
°C
-
Temperature coefficient of frequency
TCf **
-0,036
ppm/K
2
-
*) 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.
**) f(Hz) = TCf(ppm/K
2) x (T-T0)2 x fTo(MHz)
Generated:
Checked / Approved:
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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