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參數資料
| 型號： | TFS36C |
| 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, 36.005 MHz, SAW FILTER |
| 文件頁數： | 1/4頁 |
| 文件大小： | 41K |
| 代理商： | TFS36C |
Tfs36c.doc
VI TELEFILTER
Version 1.4
TFS 36 C
28.06.2000.
Filter Specification
1/3
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 at fc:
23 °C
0
dBm.
for input:
for output:
30
829
- 19,55 pF.
1133
- 12,78 pF.
Q-value of matching elements:
2. Characteristics :
Remark:
Reference level for the relative attenuation
arel
of the
TFS 36C
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
40 dB
filter attenuation level relative to the insertion loss
ae
. The nominal frequency
fN
is fixed on
36 MHz
without tolerance. 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 included in the production tolerance scheme.
Data
typ. value
tolerance / limit
Insertion loss
(Reference level)
ae
24...25 dB
max.
36 dB
Nominal frequency :
fN
36 MHz
Centre frequency fc
at ambient temperature T
A
(
f
CAT
)
36,005 MHz
Pass band ( PB ) :
f
N
- 0,75 MHz ... f
N
+ 0,75 MHz
Bandwidth
at operating temperature
:
1 dB - band width
40 dB - band width
45 dB - band width
1,565 MHz
2,245 MHz
2,250 MHz
min. 1,50 MHz
max. 2,30 MHz
max. 2,60 MHz
Amplitude ripple in pass band (p-p) :
0,7 dB
max.
1 dB
Relative attenuation
arel
...
...
...
f
N
f
N
± 0,75
f
N
± 1,3
f
N
± 35
MHz
MHz
MHz
-
max.
min.
min.
1 dB
40 dB
45 dB
f
N
± 1,15 MHz
f
N
± 1,3
45 dB
MHz
46...65 dB
Group delay ( mean value in PB ):
Group delay ripple in PB (p-p):
Deviation from linear phase in PB (p-p):
4,08 μs
100...120 ns
2,5...3,5° (r.m.s. 0,8 °)
max.
4° p-p
Triple transit attenuation compared to main signal
Crosstalk
58...62 dB
60...70 dB
min.
55 dB
Frequency inversion temperature ( T
o
)
Temperature coefficient of frequency ( Tc
f
)
Frequency deviation of fc over temperature: * )
0 °C
0,036 ppm/°C
fc(Hz) = Tc
f
(ppm/K) x (T - T
o
)2 x
f
To
(MHz)
Operating temperature
+ 45 °C
Storage temperature range
- 25 °C ... + 85 °C
* ) f
To
is reference frequence
fc
at frequency inversion temperature (
T
o
)
Generated: Dunzow W.P.
Checked/Approved: Dr. Bert Wall
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