TFS282A_01 Datasheet, PDF (1/5 Pages) Vectron International, Inc – Filter Specification

Tfs282a.doc
VI TELEFILTER
version 1.5
Filter Specification
TFS 282 A
12.02.2001
1/5
Measurement condition
Ambient temperature: 23 °C
Input power level:
0 dBm
Terminating impedances
for input: 420 Ω // - 1,3 pF
for output: 420 Ω // - 1,3 pF
External coil:
89 nH
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 282 A 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 3 dB
filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed on 282 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
3,7 dB
max 5
dB
_________________________________________________________________________________________________________
Nominal frequency
fN
-
282,000 MHz
_________________________________________________________________________________________________________
Pass band ripple
282,0 MHz ± 65 kHz
-
max 1,5
dB
_________________________________________________________________________________________________________
Relative attenuation
arel
282,0 MHz ± 90 kHz
1,5 dB
max 3
dB
282,0 MHz ± 400 kHz ... 282,0 MHz ± 600 kHz
282,0 MHz ± 600 kHz ... 282,0 MHz ± 800 MHz
30
dB
45
dB
min 25
dB
min 40
dB
282,0 MHz + 800 kHz ... 282,0 MHz + 1,4 MHz
60
dB
min 50
dB
282,0 MHz + 1,4 kHz ... 282,0 MHz + 3,0 MHz
55
dB
min 45
dB
282,0 MHz + 3,0 MHz ... 282,0 MHz + 30,0 MHz
60
dB
min 50
dB
282,0 MHz - 800 kHz ... 282,0 MHz - 30,0 MHz
60
dB
min 50
dB
_________________________________________________________________________________________________________
Group delay distortion GDD
282,0 MHz ± 100 kHz
0,7 µs
max 2,0 µs
_________________________________________________________________________________________________________
Input power
max 0
dBm
DC voltage
max 5
V
_________________________________________________________________________________________________________
Operating temperature range
- 20 °C ... + 70 °C
Storage temperature range
Temperature coefficient of frequency TCf
Frequency inversion temperature
- 0,036 ppm/K²
+ 25
°C
- 30 °C ... + 85 °C
-
_________________________________________________________________________________________________________
Generated:
Checked / approved:
VI TELEFILTER
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E-Mail: [e-mail]
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: [phone] Fax: [phone]
E-Mail: [e-mail]
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