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參數(shù)資料
| 型號： | TFS70S |
| 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(shù)： | 1/3頁 |
| 文件大小： | 40K |
| 代理商： | TFS70S |
tfs70s.doc
VI TELEFILTER
Version 1.2
TFS 70 S
06.01.02
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
Ambient temperature T
A
:
Input power level:
Terminating impedances in fc:
23 °C
0
for input:
for output:
dBm.
50
- 39,16 pF.
50
- 39,16 pF.
2.
Characteristics
Remark:
Reference level for the relative attenuation
arel
of the
TFS 70S
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
40 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
21
70
dB
max 24
dB
Reference frequency fc
at ambient temperature (
f
CAT
)
MHz
70 ± 0,1
MHz
Pass band ( PB ) :
f
C
- 5,2 MHz ... f
C
+ 5,2 MHz
Bandwidth
at ambient temperature
:
1,0 dB - band width
3,0 dB - band width
20 dB - band width
40 dB - band width
45 dB - band width
50 dB - band width
10,75
10,90
11,37
11,57
11,60
11,62
MHz
MHz
MHz
MHz
MHz
MHz
min. 10,4
min. 10,8
MHz
MHz
max. 11,6
MHz
Amplitude ripple in pass band (p-p) :
0,7
dB
max. 1
dB
Relative attenuation
arel
fc
... fc ± 5,2
... fc ± 5,4
... fc ± 6,4
... fc ± 35
... fc - 35
... fc + 65
MHz
MHz
MHz
MHz
MHz
MHz
0,7
dB
dB
dB
dB
dB
dB
max 1
max 3
min 40
min 45
min 55
min 55
dB
dB
dB
dB
dB
dB
fc ± 5,2
fc ± 5,8
fc ± 6,4
fc - 65
fc + 35
MHz
MHz
MHz
MHz
MHz
2
45
55
75...60
60...65
Average group delay in PB :
3,71
μs
max 4,2
μs
Group delay ripple in PB (p-p) :
110
ns
max 200
ns
Deviation from linear phase in PB :
5,5° p-p...( 0,86° r.m.s.)
Triple transit attenuation compared to main signal
Crosstalk
50
dB
dB
55...70
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
- 25 °C ... + 85 °C
Storage temperature range
- 25 °C ... + 85 °C
Generated: Wadim P. Dunzow
Checked/Approved: Dr. Bert Wall
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