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TFS70H312 Filter specification
型号:   TFS70H312
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描述:   Filter specification
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品牌   VECTRON [ Vectron International, Inc ]
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Filename: tfs 70h312.doc
Version 1.1
30.10.2006
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
25.
0
°C
dBm
Filter specification
TFS 70H312
1/5
50
|| 0 pF
50
|| 0 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 70H312 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 20 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. 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
Passband
Bandwidth
3
dB
arel
… f
C
±
7,5
8
15
60
MHz
MHz
MHz
MHz
BW
ae
f
C
typ. value
24,6
70,0
-
dB
MHz
fc
tolerance / limit
max.
26
dB
70,0 ± 0,1 MHz
± 7,5
MHz
16,8
MHz
min.
16
MHz
Relative attenuation
f
C
f
C
±
7,5
MHz … f
C
±
10,45 MHz … f
C
±
f
C
±
15
MHz … f
C
+
f
C
+
Group delay ripple within PB (p-p)
0,7
1,8
47
53
20
1,1
dB
dB
dB
dB
ns
°
max.
max.
min.
min.
max.
max.
1
3
40
50
50
4
dB
dB
dB
dB
ns
°
Deviation from linear phase within PB
Operating temperature range
Storage temperature range
Temperature coefficient of frequency
TCf **
OTR
-
-
-75
ppm/K
- 25 °C ... + 80 °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.
**)
∆f
c(Hz) = Tc
f
(ppm/K) x (T - T
o
) x f
CAT
(MHz).
Generated:
Checked / Approved:
Tele Filter GmbH
Potsdamer Straße 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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