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參數資料
| 型號： | TFS190R |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 190 MHz, SAW FILTER |
| 文件頁數： | 1/5頁 |
| 文件大?。?/td> | 122K |
| 代理商： | TFS190R |
Filename: tfs 190r.doc
Version 1.2
14.10.2005
VI TELEFILTER
Filter specification
TFS 190R
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
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.
Measurement condition
Ambient temperature:
25
°C
Input power level:
0
dBm
Terminating impedance: *
Input:
590 || 11,0 pF
Output:
680 || 11,2 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 190R 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 1 dB
filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed at 190.0 MHz without any tolerance. The given values for both the
relative attenuation arel and the group delay ripple have to be achieved 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
typ. value
tolerance / limit
Insertion loss
ae
7,1
dB
max.
11,0
dB
(reference level)
Nominal frequency
fN
190,0
MHz
Centre frequency
fC
190,012
MHz
-
Passband
PB
-
fN
± 640
kHz
Pass band ripple
p-p
0,5
dB
max.
1
dB
Relative attenuation
arel
fN
... fN ±
640
kHz
0,5
dB
max.
1
dB
fN ±
20,000 MHz ... fN ±
4,000 MHz
52
dB
min.
45
dB
fN ±
4,000 MHz ... fN ±
1,980 MHz
39
dB
min.
35
dB
fN ±
1,980 MHz ... fN ±
1,250 MHz
27
dB
min.
25
dB
fN ±
1,250 MHz ... fN ±
885
kHz
22
dB
min.
20
dB
fN ±
885
kHz
... fN ±
750
kHz
3
dB
min.
1
dB
Average group delay fN ± 480 kHz
1,3
s
max.
2
s
Group delay ripple fN ± 480 kHz
p-p
160
ns
max.
200
ns
Phase linearity fN ± 480 kHz
p-p
5,5
deg
max.
7,5
deg
Return loss fN ± 480 kHz
13
dB
min.
10
dB
Input power level
max.
10
dBm
Operating temperature range
OTR
-
0 °C ... + 80 °C
Storage temperature range
-
-35 °C ... + 85 °C
Turn over temperature
38
°C
-
Temperature coefficient of frequency
TCf **
0,04
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) x (T-T0) x fTo(MHz)
Generated:
Checked / Approved:
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