TFS458 Datasheet, PDF (1/5 Pages) Vectron International, Inc – Filter Specification

tfs458.doc
VI TELEFILTER
Version 1.0
Filter Specification
23.06.2000.
TFS 458 1/5
Measurement condition
Ambient temperature TA:
Input power level:
Terminating impedances :
23 °C
0 dBm.
50 Ω
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 458 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 f_o is the arithmetic mean value of the upper and lower frequencies at the
3dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed on 458,00 MHz without tolerance. The given values for
the relative attenuation arel and for the group delay ripple have to be reached at the frequencies given below also 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
Data
Insertion loss(Reference level)
ae = amin
Nominal frequency fN
Centre frequency fc
3 dB - bandwidth BW
Relative attenuation arel
fN - 42,8 MHz
Temperature coefficient of the frequency
Operating temperature range
Storage temperature range
TCf *)
* ∆fc(Hz) = Tcf(ppm/K) x (T - TA) x fCAT (MHz)
typ. value
3,50 dB
-
458,0 MHz
9,50 MHz
-
- 32,0 ppm/K
-
-
tolerance/ limit
max 4,50 dB
458,00 MHz
min 4,0 MHz
min 55,0 dB
- 10 °C ... + 55 °C
- 30 °C ... + 80 °C
Generated:
Sabah (23.06.00)
Checked/Approved:
VI TELEFILTER
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267 Lowell Road
D 14 513 TELTOW / Germany
Hudson, NH 03051 / USA
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