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TFS70L14 Filter Specification
型号:   TFS70L14
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描述:   Filter Specification
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品牌   VECTRON [ Vectron International, Inc ]
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Tfs70L14.doc
version 1.1
11.09.2001
VI
TELEFILTER
1. Measurement condition :
Ambient temperature T
A
:
Input power level:
Terminating impedances in fc * ):
Filter Specification
TFS 70L14
1/5
25
°C
0 dBm
for input:
for output:
100
131
- 15,914 pF.
- 15,275 pF.
2. Characteristics
Remark:
Reference level for the relative attenuation
a rel
of the
TFS 70L14
is the minimum of the pass band attenuation
amin.
The minimum of the pass
band attenuation
amin
is defined as the insertion loss
a e
. The reference frequence
f c
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
f c
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
Insertion loss
(Reference level)
Centre frequency
Pass band ( PB ) :
Amplitude ripple in PB (p-p) :
Bandwidth
at ambient temperature T
A
:
1 dB - band width
3 dB - band width
Relative attenuation
fc
±
6,5
fc - 20
fc + 10,35
fc ...
MHz ...
MHz ...
MHz ...
fc
fc
fc
fc
arel
±
6,5
±
7,0
-
9,65
+ 20
MHz
MHz
MHz
MHz
ae
typ. value
11 dB
70
MHz
tolerance / limit
max.
12,5 dB
MHz
fc
at ambient temperature
(f
CTA
)
70,0
±
0,10
f
C
- 6,5 MHz ... f
C
+ 6,5 MHz
0,4
dB
max.
1
dB
13,35
14,50
MHz
MHz
min.
min.
13,0 MHz
14,0 MHz
-
-
43...45
43...45
1,1
65
6,5
-
-
dB
dB
µs
ns
degree
dB
dB
max.
max.
min.
min.
max.
max.
max.
1
3
40
40
dB
dB
dB
dB
Group delay ( mean value in PB ):
Group delay ripple (p-p) in 90% of 3dB Bandwidth :
Deviation from linear phase (p-p) in 90% of 3dB Bandwidth :
Triple transit attenuation compared to main signal
Crosstalk attenuation compared to main signal
Temperature coefficient of frequency ( Tc
f
)
Frequency deviation of f c over temperature
Operating temperature range ( O.T.R. )
Storage temperature range
1,5
µs
90
ns
11
degree
- 87
ppm/K
-94
fc(Hz) = Tc
f
(ppm/K) x (T - T
A
) x f
CTA
(MHz)
ppm/K
- 20
°C
... + 70
°C
- 40
°C
... + 85
°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:
Dunzow W.
Checked/Approved:
VI TELEFILTER
Vectron International, Inc.
Potsdamer Straße 18
267 Lowell Road
D 14 513 TELTOW / Germany
Hudson, NH 03051 / USA
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail:
E-Mail:
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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