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參數(shù)資料
| 型號(hào)： | TFS76 |
| 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, 76.8 MHz, SAW FILTER |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 138K |
| 代理商： | TFS76 |
TFS 76.doc
VI TELEFILTER
Version 1.2
01.03.2002
Filter Specification
TFS 76
1/5
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 dBm
for input:
for output:
56
// 28,5 pF
50
// 0 pF
2. Characteristics
Remark:
Reference level for the relative attenuation
arel
of the
TFS 76
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 1 dB filter attenuation level relative to the insertion loss ae. The temperature coefficient of frequency Tc
f
is valid for both the
reference frequency fc and the frequency response of the filter in the operating temperature range
.
Data
typ. value
tolerance / limit
Insertion Loss
(Reference level)
Centre Frequency
at ambient temperature
fC
Passband
Relative Attenuation
ae
20,8
dB
max. 23
dB
76,8 MHz
±
75
kHz
PB
fc
±
3,2 MHz
arel
fc
.......... fc ±
3,20 MHz
0,35
dB
max. 0,7 dB
fc ± 3,20 MHz .......... fc ± 3,50 MHz
max. 1 dB
fc ± 3,65 MHz .......... fc ± 4,85 MHz
min.
1 dB
fc ± 4,85 MHz .......... fc ± 5,00 MHz
61
dB
min. 51 dB
fc - 71,8 MHz ......... fc -
5,00 MHz
65
dB
min. 50 dB
Deviation from Linear Phase in PB
Group Delay Ripple in PB
fc +
5,00 MHz ......... fc + 123,20 MHz
55
dB
min. 50 dB
0,2
°rms
max.
2
°rms
60
ns
max. 100
ns
Average Group Delay in PB
1,9 μs
max.
3
μs
Temperature Coefficient of Frequency
- 76
ppm/K
Operating Temperature Range
- 0 °C ... + 70
°C
Storage Temperature Range
- 20 °C ... + 80
°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.
generated:
checked / approved:
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