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PDF TFS250 Data sheet ( Hoja de datos )
| Número de pieza | TFS250 | |
| Descripción | Filter specification | |
| Fabricantes | Vectron International | |
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Filename: tfs250.doc
VI TELEFILTER
www.DataSheet4U.com
version 3.0
Filter specification
TFS 250
22.02.2002
1/5
Measurement Condition
Ambient Temperature:
Input Power Level:
Source impedance:
Load impedance:
Terminating impedances: *
input:
output:
Characteristics
23 °C
0 dBm
50 Ω
50 Ω
1,05 kΩ || -7.9 pF
1,02 kΩ || -8.2 pF
Remark:
Reference level for the relative attenuation arel is the minimum pass band attenuation amin. It is defined as the insertion loss ae. The nominal
frequency fN is fixed to 250,0 MHz. The centre frequency fc is the arithmetic mean value of the upper and lower frequencies at the 1,0 dB filter
attenuation level relative to the insertion loss ae. The given values for the insertion loss, the relative attenuation arel and 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
typ. Value
Limit
Insertion loss
(Reference level)
ae = amin
13,0 dB
max. ± 1 dB
Nominal frequency
fN
- 250,0 MHz
Passband
Amplitude ripple in PB
PB
-
0,4 dB
fN ± 2
max.
MHz
1,0 dB
Relative attenuation
arel
fN ± 3,0
fN ± 3,5
fN ± 4,0
fN - 249,0
fN + 6,0
fN + 12,5
fN + 14,3
fN + 24,6
fN + 29
MHz ... fN ± 3,5
MHz ... fN ± 4,0
MHz ... fN ± 6,0
MHz ... fN - 6,0
MHz ... fN + 12,5
MHz ... fN + 14,3
MHz ... fN + 24,6
MHz ... fN + 29,0
MHz ...
2,5
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
GHz
25 dB
40 dB
40 dB
52 dB
52 dB
65 dB
65 dB
70 dB
40 dB
min. 11
min. 21
min. 24
min. 40
min. 40
min. 54
min. 40
min. 54
min. 30
dB
dB
dB
dB
dB
dB
dB
dB
dB
Group delay ripple in PB
ϕ
60 ns
max. 150 ns
Phase ripple in PB
3,5 °p-p
max. 5 ° p-p
VSWR in PB
Input power level
Continous power
Peaks for cycle times<1%
1,65:1
-
-
max. 2:1
max. 10 dBm
max. 20 dBm
Operating temperature range
- - 10 °C ... + 85 °C
Temperature coefficient of frequency TC **
Frequency inversion temperature T0
-0,036
25
ppm/K²
°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/K²) x (T-T0)² x fTo(MHz)
Generated:
Checked / approved:
VI TELEFILTER
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail: [email protected]
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: (603) 598-0070 Fax: (603) 598-0075
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  
Filename: tfs250.doc
VI TELEFILTER
version 3.0
Filter specification
TFS 250
22.02.2002
5/5
History
Version Reason of Changes
1.0 Generation of “Development Specification” accordin to customers requirements
1.1 Add “Temperature coefficient” to “Characteristics”
Add “Frequency inversion temperature” to “Characteristics”
Use lower conditions for “Relative attenuation”
Add “Phase ripple” to “Characteristics”
Use lower conditions for “Group delay ripple”
Add footnotes
Correct “Tape” information
Filter specification
2.0 - terminating impedances and typical values added
- package changed to 15x6mm 10 pad
3.0 - terminating impedance adjusted
Name
Steiner
Herrler
Steiner
Steiner
Date
01.06.2001
09.08.2001
5.11.01
VI TELEFILTER
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail: [email protected]
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: (603) 598-0070 Fax: (603) 598-0075
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.
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet TFS250.PDF ] | |
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