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TFS256A Datasheet, PDF (1/5 Pages) Vectron International, Inc – Vectron International Filter specification
Filename: tfs 256a.doc
Vectron International
Version 2.0
Filter specification
Measurement condition
Ambient temperature:
Input power level:
23
°C
0
dBm
source impedance (single ended): 50 Ω
load impedance (single ended): 50 Ω
Terminating impedance: *
Input:
Output:
160 Ω || -6.4 pF
160 Ω || -6.6 pF
TFS 256A
27.09.2012
1/5
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS256A is the minimum of the pass band attenuation. This value is defined
as the insertion loss ae. The nominal frequency fN is fixed at 256 MHz without any tolerance. 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
Insertion loss
ae
(reference level)
Nominal frequency
fN
Passband
PB
Pass band ripple
Relative attenuation
fN
fN -
fN -
fN -
fN -
fN +
fN +
fN +
fN +
170
120
65
59,9
57,4
59,9
65
90
… fN ±
MHz … fN -
MHz … fN -
MHz … fN -
MHz … fN -
MHz … fN +
MHz … fN +
MHz … fN +
MHz … fN +
Input power level
42,5
120
65
59,9
57,4
59,9
65
90
170
arel
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Operating temperature range
OTR
Storage temperature range
Temperature coefficient of frequency
*) ∆fc(Hz) = Tcf(ppm/K) x (T - To) x fCAT (MHz).
TCf *
typ. value
15
dB
90
MHz
0,5 dB
0,5 dB
48
dB
43
dB
42
dB
39
dB
42
dB
42
dB
43
dB
48
dB
-92
ppm/K
tolerance / limit
max.
17 dB
256
MHz
fN ± 42,5 MHz
max.
1 dB
max.
min.
min.
min.
min.
min.
min.
min.
min.
1 dB
45 dB
40 dB
40 dB
35 dB
35 dB
40 dB
40 dB
45 dB
max.
10 dBm
- 30 °C ... + 80°C
- 45 °C ... + 85°C
Generated:
Checked / Approved:
Vectron International GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail: tft@vectron.com
Vectron International GmbH 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.