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TFS1255A Datasheet, PDF (1/5 Pages) Vectron International, Inc – Vectron International Filter specification
Filename: tfs 1255a.doc
Vectron International
Version 1.1
Filter specification
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance:
Input:
Output:
23
°C
0
dBm
50 Ω
50 Ω
TFS 1255A
05.04.2013
1/5
Characteristics
Remark:
The maximum attenuation in the pass band is defined as the insertion loss ae. The nominal frequency fN is fixed at 1255.0 MHz without any tolerance or
limit. The values of absolute attenuation aabs 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
Nominal frequency
Passband
Pass band variation within PB 1
Pass band variation within PB
Absolute attenuation
10
MHz … 1000
1000 MHz … 1160
1350 MHz … 2000
2000 MHz … 3000
Group delay ripple
MHz
MHz
MHz
MHz
1230 MHz … 1262
1225 MHz … 1285
VSWR within PB
MHz
MHz
Input power level in PB
Operating temperature range
Storage temperature range
Temperature coefficient of frequency
ae
fN
PB
PB 1
aabs
OTR
TCf *
typ. value
3.2 dB
0.4 dB
0.7 dB
33
dB
38
dB
40
dB
37
dB
5
ns
10
ns
1.5 : 1
-
-
-
-72
ppm/K
tolerance / limit
max.
4.0
fN ±
fN ±
max.
max.
1255.0
30.0
25.0
1.5
2.5
dB
MHz
MHz
MHz
dB
dB
min.
30 dB
min.
30 dB
min.
30 dB
min.
30 dB
.
max.
max.
max.
7 ns
15 ns
2.2 : 1
max.
10 dBm
- 40 °C ... + 85°C
- 45 °C ... + 85°C
-
*) ∆fc(Hz) = Tcf(ppm/K) x (T - To) x fCAT (MHz)
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.