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參數資料
| 型號： | TFS71C |
| 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 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 36K |
| 代理商： | TFS71C |
Tfs71C.doc
Version 1.1
27.02.2001
VI TELEFILTER
Filter Specification
TFS 71C
1/4
VI TELEFILTER
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.
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 at fc:
23 °C
0
for input:
for output:
>
50
dBm
450
- 13,2 pF.
390
- 13,5 pF.
Q-value of matching elements:
2. Characteristics :
Remark:
Reference level for the relative attenuation
arel
of the
TFS71C
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 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 temperature coefficient of frequency
Tc
is valid both for the reference
frequency
fc
and the frequency response of the filter in the operating temperature range. The frequency shift of the filter in the operating temperature
range is not included in the production tolerance scheme.
Data
typ. value
tolerance / limit
Insertion loss
(Reference level)
ae
6,6
dB
max.
7,6
dB
Reference frequency fc
at ambient temperature (
f
CTA
)
71,0
MHz
71,0 ± 0,015
MHz
Bandwidth
at ambient temperature
:
1
1,5
3
dB - band width
dB - band width
dB - band width
170
215
300
kHz
kHz
kHz
min.
min.
130
165
kHz
kHz
4
dB - band width
dB - band width
dB - band width
dB - band width
350
700
740
2000
kHz
kHz
kHz
kHz
max.
max.
max.
max.
400
800
1200
3200
kHz
kHz
kHz
kHz
20
25
35
Relative attenuation
arel
fc
... fc ±
kHz ... fc ±
kHz ... fc ±
kHz ... fc ±
kHz ... fc ±
kHz ... fc ±
65
82,5
kHz
kHz
0,7
1
dB
dB
max.
max.
1,0
1,5
dB
dB
fc ±
fc ±
fc ±
fc ±
fc ±
65
200
400
800
1200
400
800
1200
10
kHz
kHz
kHz
MHz
5
dB
dB
dB
dB
min.
min.
min.
min.
4
dB
dB
dB
dB
25
20
25
35
28...35
40...50
Group delay ( mean value in :
Group delay ripple in :
Deviation from linear phase in :
fc ... fc ± 80 kHz
fc ... fc ± 80 kHz
fc ... fc ± 80 kHz
2,05
150
μs
ns
max.
max.
2,5
μs
ns
300
2° p-p..( 0,5 ° r.m.s.)
Triple transit attenuation compared to main signal
Crosstalk
35...40
>
40
dB
dB
Frequency inversion temperature ( T
o
)
Temperature coefficient of frequency ( Tc
f
)
Frequency deviation of fc over temperature: * )
Operating temperature range
Storage temperature range
T. B. M.
-0,045
ppm/K2
fc(Hz) = Tc
f
(ppm/K) x (T - T
o
)2 x
f
To
(MHz)
- 25 °C ... + 80 °C
- 40 °C ... + 85 °C
Input power level
Permissible DC voltage
Permissible AC voltage
-
-
-
max.
10
12
10
dBm
V
V
Vdc
Vac
Generated: Dunzow W.P.
Checked/Approved: Dr. Bert Wall
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