參數(shù)資料
型號： TFS140B
廠商： VECTRON INTERNATIONAL
元件分類： 聲表面波濾波器
英文描述： VI SAW Filter(VI SAW 濾波器(輸入電阻:420Ω/-9.05pF,輸出電阻:420Ω/-9.05pF))
中文描述： SAW FILTER
文件頁數(shù)： 1/4頁
文件大小： 46K
代理商： TFS140B
__________________________________________________________________________________
VI TELEFILTER
__________________________________________________________________________________
Preliminary specification
TFS 140 B - 1/2
____________________________________________________________________________________________________________________________________________________________________________________________________________
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
:
2. Characteristics
Remark:
Reference level for the relative attenuation
arel
of the
TFS 140 B
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
3 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.
Data
____________________________________________________________________________________________________________________________________________________________________________________________________________
Insertion loss
(Reference level)
____________________________________________________________________________________________________________________________________________________________________________________________________________
Reference frequency
at ambient temperature
(f
)
____________________________________________________________________________________________________________________________________________________________________________________________________________
0.7 dB - band width
1 dB - band width
3 dB - band width
20 dB - band width
40 dB - band width
45 dB - band width
50 dB - band width
____________________________________________________________________________________________________________________________________________________________________________________________________________
Amplitude ripple (p-p):
____________________________________________________________________________________________________________________________________________________________________________________________________________
Relative attenuation
arel
fc
fc ± 1.80 MHz
fc ± 1.80 MHz
fc ± 1.85 MHz
fc ± 1.85 MHz
fc ± 2.0
MHz
fc ± 2.95 MHz
fc ± 8
MHz
fc ± 8
MHz
fc ± 12
MHz
fc ± 12
MHz
fc ± 24
MHz
fc ± 24
MHz
fc ± 45
MHz
fc - 139
MHz
fc - 100
MHz
fc - 100
MHz
fc - 45
MHz
fc + 45
MHz
fc + 80
MHz
fc + 80
MHz
fc + 120
MHz
MHz
____________________________________________________________________________________________________________________________________________________________________________________________________________
Group delay
____________________________________________________________________________________________________________________________________________________________________________________________________________
Group delay ripple (p-p)
____________________________________________________________________________________________________________________________________________________________________________________________________________
Deviation from linear phase (p-p)
____________________________________________________________________________________________________________________________________________________________________________________________________________
Triple transit attenuation compared to main signal
____________________________________________________________________________________________________________________________________________________________________________________________________________
Input/Output return loss with matching network (S11/S22):
____________________________________________________________________________________________________________________________________________________________________________________________________________
Crosstalk
____________________________________________________________________________________________________________________________________________________________________________________________________________
Substrate material
____________________________________________________________________________________________________________________________________________________________________________________________________________
Frequency inversion temperature ( T
o
)
____________________________________________________________________________________________________________________________________________________________________________________________________________
Temperature coefficient of frequency ( Tc
)
____________________________________________________________________________________________________________________________________________________________________________________________________________
____________________________________________________________________________________________________________________________________________________________________________________________________________
Operating temperature range
Storage temperature range
____________________________________________________________________________________________________________________________________________________________________________________________________________
*)
f
To
is reference frequence
fc
at frequency inversion temperature (
T
o
)
Generated:
Checked/Approved:
Package, pin connection and 50
matching network
25 °C
0 dBm (typ.)
Max 10 dBm.
for input:
420
-9.05 pF.
for output:
420
-9.05 pF.
(see sheet 2.)
typ. value
tolerance / limit
21.5
dB
max 23
dB
140
MHz
140 ± 0.1
MHz
3.77
3.86
4.20
5.12
5.54
5.62
5.70
MHz
MHz
MHz
MHz
MHz
MHz
MHz
0.25
dB
max 0.7
dB
-
-
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
max 0.7
max 1
max 3
min 45
min 45
min 45
min 45
min 45
min 45
min 45
min 45
min 45
53
60
65
70
80
50
80
65
80
2.31
μs
max 2.5
μs
± 25
ns
± max 50
ns
1.9° ( 2.7°)
54
dB
2.8/2.8
dB
65
dB
Quartz
T.B.D.
-0.036 ppm/K2
f
(ppm/K) x (T - T
o
)2 x f
To
(MHz)
- 25 °C ... + 80 °C
- 40 °C ... + 85 °C
Wadim P. Dunzow
Dr. Bert Wall
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