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參數資料
| 型號： | TFS70N |
| 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, 70 MHz, SAW FILTER |
| 文件頁數： | 1/3頁 |
| 文件大小： | 38K |
| 代理商： | TFS70N |
tfs70N.doc
VI TELEFILTER
Version 1.6
TFS 70 N
01.04.99
1/3
Filter specification
VI TELEFILTER
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-52 / 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
Package, pin connection and 50
matching network
(see page 2.)
Ambient temperature T
A
:
Input power level:
Terminating impedances in fc:
23 °C
0
for input:
for output:
( see Application Note)
dBm.
56,8
- 40,8 pF.
46,5
- 35,3 pF.
[ 27,9
+ j 28,4
]
[ 30,6
+ j 22,0
]
2. Characteristics
Remark:
Reference level for the relative attenuation
arel
of the
TFS 70N
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 frequence
fc
is the arithmetic mean value of the upper and lower frequencies at
the
20 dB
filter attenuation level relative to the insertion loss
ae.
The temperature coefficient of frequency
Tc
f
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
20,6
70
dB
max 24
dB
Reference frequency
fc
at ambient temperature (
f
CAT
)
:
MHz
70 ± 0,1
MHz
Pass band (-2 dB) :
f
C
- 4,8 MHz ... f
C
+ 4,8 MHz
Bandwidth
at ambient temperature
:
1,0 dB - band width
1,5 dB - band width
2,0 dB - band width
3,0 dB - band width
20 dB - band width
35 dB - band width
45 dB - band width
50 dB - band width
9,92
9,94
9,98
10,12
10,60
10,77
10,843
10,900
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
min. 9,6
min. 10,0
MHz
MHz
min. 10,8
min. 11,2
MHz
MHz
Amplitude ripple (p-p):
fc ... fc ± 4,8 MHz
arel
... fc ± 4,8
... fc ± 5,0
... fc ± 5,6
... fc ± 6,0
... fc ± 35
0,7
dB
max 2
dB
Relative attenuation
fc
MHz
MHz
MHz
MHz
MHz
-
-
dB
dB
dB
μs
max 2
max 3
min 35
min 45
min 50
max 4,5
dB
dB
dB
dB
dB
μs
fc ± 4,8
fc ± 5,4
fc ± 5,6
fc ± 6,0
MHz
MHz
MHz
MHz
40
55
55...65
3,74
Group delay inpass band:
Group delay ripple (p-p):
fc ... fc ± 4,8 MHz
140
ns
max 200
ns
Deviation from linear phase (p-p):
fc ... fc ± 5,0 MHz
5,5°
Crosstalk attenuation compared to main signal
70
dB
Triple transit attenuation compared to main signal
50
dB
Temperature coefficient of frequency ( Tc
f
)
-87
ppm/K
-94
ppm/K
Frequency deviation of fc over temperature
fc(Hz) = Tc
f
(ppm/K) x (T - T
A
) x f
CAT
(MHz)
Operating temperature range
0 °C ... + 60 °C
Storage temperature range
- 20 °C ... + 85 °C
Generated: Wadim P. Dunzow
Checked/Approved: Dr. Bert Wall
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