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TFS155A Datasheet, PDF (1/5 Pages) Vectron International, Inc – Filter specification
Filename: tfs 155a.doc
VI TELEFILTER
Version 1.3
Filter specification
TFS 155A
02.02.2005
1/5
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
23
°C
0
dBm
760 Ω || -1,95 pF
760 Ω || -1,95 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS155A is the maximum attenuation in the pass band. The maximum attenuation in the pass
band is defined as the insertion loss ae. The nominal frequency fN is fixed at 155,52 MHz MHz without any tolerance or limit. The values of relative
attenuation arel are guaranteed for the whole operating temperature range. The frequency shift of the filter in the operating temperature range is included
in the production tolerance scheme.
Data
typ. value
tolerance / limit
Insertion loss
(reference level)
ae
-
-
max.
5 dB
-
Nominal frequency
fN
155,525 MHz
155,52 MHz
Usable Signal Bandwidth
-
min. ± 10 kHz
Relative attenuation
arel
fN + 910
fN ±
3
kHz
MHz fN ± 10 MHz
67
dB
62
dB
min.
60 dB
min.
50 dB
Frequency inversion temperature
25
°C
-
Temperature coefficient of frequency
TCf **
-0,036 ppm/K²
-
Operating temperature range
OTR
-
- 10 °C … + 50 °C
Storage temperature range
-
- 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(Hz) = TCf(ppm/K) x (T-T0)² x fTo(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.