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參數資料
| 型號： | TFS300F |
| 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, 300 MHz, SAW FILTER |
| 封裝： | ROHS COMPLIANT PACKAGE-10 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 69K |
| 代理商： | TFS300F |
Tfs300f.doc
VI
TELEFILTER
version 1.4
04.06.2003
Filter specification
TFS 300 F
1/5
Measurement condition
Ambient temperature:
Input power level:
Terminating impedances at fc *)
Characteristics
Remark:
The reference level for the relative attenuation arel of TFS 300F is the minimum of the pass band attenuation amin. 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 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.
D a t a
Insertion loss
ae = amin
(at ambient temperature)
Centre frequency
fc
(at ambient temperature)
Passband ripple
(p-p)
within
fC
±
1,2 MHz
Relative attenuation
arel
f
C
... f
C
±
1,2 MHz
f
C
±
1,2 MHz ... f
C
±
1,65 MHz
23
°
C
0
for input:
for output: 670
- 6,5 pF
dBm
820
- 6,6 pF
typ. Value
Limit
13,5 dB
max. 19
dB
-
300 MHz
±
0,09 MHz
0,3 dB
max.
1,1 dB
0,3 dB
2
max.
max.
1,1 dB
3
dB
dB
f
C
±
f
C
±
Group delay ripple
(p-p)
within
fC
±
1,6 MHz
Absolute group delay
2,4 MHz ... f
C
±
6
MHz ... f
C
±
6
MHz
MHz
45
52
dB
dB
min.
min.
40
45
dB
dB
40
105
ns
max. 200
max.
ns
at
fC
1,4 μs
1,8 μs
Phase ripple
(p-p)
within
fC
±
1,6 MHz
Triple transit suppression
compared to main signal
4,5 °
max. 10
°
50
dB
min. 37
dB
Return loss
within
fC
±
1,6 MHz
Operable temperature range
15
dB
min.
10
dB
-
- 40 °C ... + 85 °C
Operating temperature range
-
- 30 °C ... + 70 °C
Storage temperature range
-
- 40 °C .....+ 85 °C
Temperature coefficient **)
TC
-0,04 ppm/K2
-
Frequency inversion temperature (T
o
)
28
°C
-
*) 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.
**)
f(Hz) = TCf(ppm/K2) x (T-T
0
)2 x fTo(MHz)
generated:
checked / approved:
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.
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