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PDF TFS420A Data sheet ( Hoja de datos )
| Número de pieza | TFS420A | |
| Descripción | TELEFILTER | |
| Fabricantes | ETC | |
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tfs 420A.doc
VI TELEFILTER
Filter specification
Version 1.1
06.01.02
TFS 420A - 1/4
1. Measurement condition
Ambient temperature TA:
Input power level:
23 °C
0 dBm
Typical terminating impedances in fN: for input:
for output:
210 Ω -5,38 pF.
174 Ω -3,99 pF.
2. Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 420A 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 nominal frequence fN is fixed at 420,0 MHz without tolerance or limit. The
reference frequence fc is the arithmetic mean value of the upper and lower frequencies at the 3 dB filter attenuation level relative to the
insertion loss ae. The temperature coefficient of frequency Tcf is valid both for the reference frequency fc and the frequency response of the
filter in the operating temperature range.
Data
Insertion loss (Reference level) ae
Nominal frequency
fN
Centre frequency fc at ambient temperature ( fCAT )
Pass band (-1dB)
Amplitude ripple (p-p): fN ... fN ± 4,1 MHz
Bandwidth at ambient temperature:
1 dB - band width
3 dB - band width
20 dB - band width
40 dB - band width
Relative attenuation arel
fN
fN ± 4,1
fN ± 4,1
fN ± 5,5
MHz
MHz
fN ± 5,0
fN ± 10
fN ± 10
fN - 430
MHz
MHz
fN ± 100
fN - 100
fN + 100 MHz
fN + 300
Average group delay in pass band:
Group delay ripple in pass band (p-p):
MHz
MHz
MHz
MHz
MHz
MHz
Triple transit attenuation compared to main signal:
Crosstalk
Frequency inversion temperature ( To )
Temperature coefficient of frequency ( Tcf )
Frequency deviation of fc over temperature T : *)
Operating temperature range
Storage temperature range
Input power level
typ. value
21,5 dB
-
420,03 MHz
0,4 dB
tolerance / limit
max 24 dB
420,0 MHz
-
fN - 4,1 MHz ... fN + 4,1 MHz
max 1,0 dB
9,14
10,50
14,23
15,91
MHz
MHz
MHz
MHz
45...60
70...80
60...70
-
-
-
dB
dB
dB
max. 1
max. 3
min. 3
min. 40
0,630 µs
40 ns
max 60
45...49 dB
50...54 dB
30 °C
- 0,050 ppm/K²
∆fc(Hz) = Tcf(ppm/K) x (T - To)² x fTo(MHz)
-20 °C ... + 75 °C
- 40 °C ... + 85 °C
- max. + 10
dB
dB
dB
dB
ns
dBm
*) fTo is reference frequence fc at frequency inversion temperature (To )
Generated:
Checked/Approved:
Wadim P. Dunzow
Dr. Bert Wall
____________________________________________________________________________________________________________________________________________________________________________________________________________
VI TELEFILTER
Vectron International, Inc.
Potsdamer Straße 18
267 Lowell Road
D 14 513 TELTOW / Germany
Hudson, NH 03051 / USA
Tel: (+49) 3328 4784-52 / Fax: (+49) 3328 4784-30
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail: [email protected]
E-Mail: [email protected]
____________________________________________________________________________________________________________________________________________________________________________________________________________
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
1 page | ||
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