TFS400C Datasheet, PDF (1/5 Pages) Vectron International, Inc – SAW Filter Specification

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V_{__}I_{__}T_{_}E_{__}L_{__}E_{_}F_{__}IL_{__}T_{_}E_{__}R_{____________________}S_{__}A_{_}W_{____}F_{__}il_{_}t_{_}e_{_}r_{__}S_{_}p_{__}e_{_}c_{__}if_{_}i_{_}c_{_}a_{__}t_{_}io_{__}n_{____________}T_{__}F_{_}S_{__}4_{__}0_{_}0_{__}C_{_________}1_{_}/_{_}5_{___}
Measurement condition
Ambient temperature: 23 °C
Input power level:
0 dBm
Terminating impedances
for input: 500 Ω // -1 pF
for output: 500 Ω // -1 pF
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 400 C 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 400 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 fo 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.
6,5 dB
Nominal frequency
fN
Centre frequency
fc
Guaranteed 1,5 dB signal band width BW
-
400,008 MHz
-
400,000 MHz
min. 160
kHz
Relative attenuation
arel
fN ± 80 kHz
fN ± 200
fN ± 400
fN ± 600
fN ± 1
fN ± 3
kHz ... fN ± 400
kHz ... fN ± 600
kHz ... fN ± 1
MHz ... fN ± 3
MHz
kHz
kHz
MHz
MHz
Group delay ripple
GD
fN ± 70 kHz
0.8
dB
8
dB
30
dB
52
dB
54
dB
61
dB
0,7 µs
max.
min.
min.
min.
min.
min.
1,5 dB
2
dB
25
dB
40
dB
45
dB
55
dB
max.
2
µs
Operating temperature range
Temperature coefficient of frequency TC
Frequency inversion temperature
ca. - 0.036 ppm/K²
+ 20 °C
- 10 °C ... + 55 °C
Generated:
Checked / approved:
VI TELEFILTER
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Vectron International Inc.
267 Lowell Road
Hudson, NH 03051 / USA
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E-Mail: [e-mail]
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