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PDF TFS440A Data sheet ( Hoja de datos )
| Número de pieza | TFS440A | |
| Descripción | Filter Specification | |
| Fabricantes | ETC | |
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Tfs440A.doc
VI TELEFILTER
version 1.2
Filter Specification
TFS 440A
19.12.2001
1/5
Measurement condition
Ambient temperature:
Input power level:
23 °C
0 dBm
Terminating impedances *)
for input:
300 Ω // -0,8 pF
for output:
Coupling coil:
300 Ω // -0,8 pF
56 nH
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS440A 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 fc is the arithmetic mean value of the upper and lower frequencies
at the 1.5 dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed on 440 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
typ. value
tolerance/limit
Insertion loss
(Reference level)
ae = amin
-
max.
6,5 dB
Nominal frequency
Centre frequency
fN
fc
Pass band ripple fN ± 70 kHz
Relative attenuation
arel
fN …fN ± 70 kHz
fN ± 70 kHz …fN ± 100 kHz
fN ± 0,4 MHz…fN ± 0,6 MHz
fN ± 0,6 MHz…fN ± 0,8 MHz
fN ± 0,8 MHz…fN ± 3 MHz
fN ± 3 MHz…fN ± 78 MHz
Group delay ripple
fN ± 100 kHz
GD
Input power level
BW
-
440,015 MHz
0,5 dB
0,5 dB
1,2 dB
32 dB
48 dB
63 dB
64 dB
0,9 µs
-
440,00 MHz
max.
1,5 dB
max.
max.
min.
min.
min.
min.
1,5
3,0
25
40
50
50
dB
dB
dB
dB
dB
dB
max.
max.
2,0 µs
5 dBm
Operating temperature range
- 20 °C ... + 70 °C
Storage temperature range
- 35 °C … + 85 °C
Temperature coefficient of frequency TC
- 0.036 ppm/K²
Frequency inversion temperature
+ 25 °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.
Generated:
Checked / approved:
VI TELEFILTER
Potsdamer Straße 18
Vectron International Inc.
267 Lowell Road
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail: [email protected]
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  
Tfs440A.doc
VI TELEFILTER
version 1.2
Filter Specification
TFS 440A
19.12.2001
5/5
History
Version
1.0
1.1
1.2
Reason of Changes
- Generation of specification
- Add typical values and termination impedances.
- Change stability characteristic.
- Add comment for terminating impedances.
- Correct date code and tape and reel information.
Name
Dr. Wall
Dr. Wall
Dr. Wall
Date
25.01.2001
09.11.2001
19.12.2001
VI TELEFILTER
Potsdamer Straße 18
Vectron International Inc.
267 Lowell Road
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail: [email protected]
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 TFS440A.PDF ] | |
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