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TFS75B Datasheet(PDF) 1 Page - Vectron International, Inc

Part # TFS75B
Description  Filter specification
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Manufacturer  VECTRON [Vectron International, Inc]
Direct Link  http://www.vectron.com
Logo VECTRON - Vectron International, Inc

TFS75B Datasheet(HTML) 1 Page - Vectron International, Inc

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Filename: tfs 75b.doc
Version 1.2
26.01.2005
VI TELEFILTER
Filter specification
TFS 75B
1/5
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
Measurement condition
Ambient temperature:
23
°C
Input power level:
0
dBm
Terminating impedance: *
Input:
1430 Ω || -6.3 pF
Output:
224 Ω || -6.8 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 75B 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 40 dB
filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed at 75 MHz without any tolerance. The given values for both the
relative attenuation arel and the group delay ripple have to be achieved 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
typ. value
tolerance/limit
Insertion loss
11,3 dB
max.
13,0
dB
Nominal frequency
fN
75,0
MHz
1 dB Pass band
PB
5,5
MHz
fN± 2,1 MHz
Amplitude ripple in PB
p-p
0,3
dB
max.
1,0
dB
Relative attenuation
arel
fN - 15
MHz ....... fN -
7,15
MHz
43
dB
min.
40
dB
fN + 7,15 MHz ....... fN + 15,0
MHz
40
dB
min.
36
dB
fN + 15
MHz ....... fN + 65,0
MHz
45
dB
min.
40
dB
Group delay ripple within PB p-p
75
ns
max. 200
ns
Operating temperature range
-
- 40 °C ... + 85 °C
Storage temperature range
-
- 40 °C ... + 85 °C
Temperature coefficient of frequency
TCf**
- 87
ppm/K
-
Input power level
-
max.
10
dBm
*) 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/K) x(T-T0) x fTo (MHz)
Generated:
Checked / Approved:
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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