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參數資料
| 型號： | TFS71F |
| 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, 71 MHz, SAW FILTER |
| 封裝： | ROHS COMPLIANT PACKAGE-10 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 85K |
| 代理商： | TFS71F |
tfs71f.doc
VI
TELEFILTER
Measurement Condition
Ambient temperature TA:
Input power level:
Terminating impedances:
*)
Input:
Output:
Characteristics
Remark:
The reference level for the relative attenuation arel is the pass band attenuation at the nominal frequency f
N
. This value 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 given values for the centre frequency, the relative attenuation arel and 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.
Data
Insertion Loss
ae
(Reference Level)
Version 2.2
16.04.2003
Filter Specification
TFS 71 F
1/5
TELEFILTER 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.
.
23 °C
0 dBm
1,7 k
|| - 13,9 pF
2,2 k
|| - 14,1 pF
typ. value
Variation / Limitation
5,0
dB
max 8,0
dB
Nominal frequency
f
N
-
71,0 MHz
Center frequency
3 dB - Bandwidth
Pass band ripple
f
N
- 80 kHz ... f
N
+ 80 kHz
f
N
-
71,0 MHz
±
20
kHz
BW
310
kHz
min. 200
kHz
0,5
dB
max.
±
0,75 dB
Relative Attenuation
arel
***
)
f
N
±
f
N
±
f
N
±
f
N
-
f
N
-
f
N
-
f
N
+
200
400
600
kHz ... f
N
± 400
kHz ... f
N
±
600
kHz ... f
N
±
1,0 MHz ... f
N
-
1,2 MHz ... f
N
-
1,4 MHz ... f
N
-
1,0 MHz ... f
N
+
kHz
kHz
9
dB
dB
dB
dB
dB
dB
dB
min.
min.
min. 35
min.
min.
min.
min.
3
dB
dB
dB
dB
dB
dB
dB
35
38
48
48
47
40
25
1,0 MHz
1,2 MHz
1,4 MHz
40
40
42
40
35
35
MHz
MHz
Group delay
f
N
3,1
μs
max.
5
μs
μs
Group delay ripple
in f
N
- 80 kHz ... f
N
+ 80 kHz
350
ns
max.
1
Input Intermodulation
Input power level
f
N
±
400 kHz ... f
N
±
600 kHz
f
N
±
800 kHz ... f
N
±
3 MHz
f
N
±
3 MHz ... f
N
±
40 MHz
**
)
-
max. - 81
dBm
-
-
-
-
max.
max. +12
max. +22
max. +25
0
dBm
dBm
dBm
dBm
Operating Temperature Range
-
5 °C ... + 70 °C
Storage Temperature Range
-
- 40°C ... + 85 °C
Temperature Coefficient
TC 2nd order
****
)
-0,032 ppm/K
2
°C
Frequency inversion temperature
T
0
+ 25
*) 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
**
)
first measurement:
f
in1
=70.2MHz; f
in2
= 69,4 MHz; P
in
=-5 dBm f
measurement
= 71,0MHz
second measurement:
f
in1
=71.8MHz; f
in2
= 72,6 MHz; P
in
=-5 dBm f
measurement
= 71,0MHz
***
)
It is allowed to have max. 3 spurious responses in the high frequency stop band range of less than 100 kHz bandwidth (3dB) with a rejection
of 10 dB less than specified here
****)
f(Hz) = TCf(ppm/K2) x (T-T
0
)2 x fTo(MHz)
generated:
checked / approved:
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