TFS70Q Datasheet, PDF (1/3 Pages) Vectron International, Inc – Filter specification

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1. Measurement condition
Ambient temperature TA:
Input power level:
23 °C
0 dBm (typ.)
Max 10 dBm.
Terminating impedances at fc: for input:
for output:
50 Ω  0 pF.
50 Ω  0 pF.
Package, pin connection and 50 Ω matching network
see page 2
2. Characteristics
Remark:
Reference level for the relative attenuation arel of the TFD 70 Q 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 reference frequency fc is the arithmetic mean value of the upper and lower frequencies at
the 20 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. The frequency shift of the filter in the operating temperature
range is not included in the production tolerance scheme.
Data
typ. value
tolerance / limit
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Insertion loss (Reference level) ae
20 dB
max 22 dB
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Reference frequency fc at ambient temperature (fCAT)
70,00 MHz
70,0±0,3 MHz
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1 dB - band width
11,96 MHz
3 dB - band width
13,67 MHz
20 dB - band width
18,00 MHz
40 dB - band width
20,15 MHz
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Amplitude ripple (p-p):
fc ... fc ± 5,6 MHz
0,2 dB
max 1,0 dB
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Relative attenuation
arel
fc
fc ± 5,6 MHz
-
max 1 dB
fc ± 5,6 MHz
fc ± 6,5 MHz
-
max 3 dB
fc - 30 MHz
fc - 11 MHz
55 dB
min 40 dB
fc + 11 MHz
fc + 30 MHz
50 dB
min 40 dB
fc - 70 MHz
fc - 30 MHz
60 dB
-
fc + 30 MHz
fc + 70 MHz
45 dB
-
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Group delay
720 ns
max 1,5 µs
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Group delay ripple (p-p):
fc ... fc ± 7,5 MHz
± 15 ns
± max 20 ns
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Deviation from linear phase (p-p): fc ... fc ± 7,5 MHz
2,3°
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Triple transit attenuation compared to main signal
50 dB
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Input/Output return loss with matching network (S11/S22):
1,5/1,5 dB
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Crosstalk
56 dB
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Temperature coefficient of frequency ( Tcf )
-72 ppm/K
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Frequency deviation of fc over temperature
‘
Operating temperature range
∆fc(Hz) = Tcf(ppm/K) x (T - TA) x fCAT (MHz)
- 25 °C ... + 80 °C
Storage temperature range
- 40 °C ... + 85 °C
____________________________________________________________________________________________________________________________________________________________________________________________________________
Generated:
Checked/Approved:
____________________________________________________________________________________________________________________________________________________________________________________________________________
VI TELEFILTER
Vectron International, Inc.
Potsdamer Straße 18
267 Lowell Road
D 14 513 TELTOW / Germany
Hudson, NH 03051 / USA
Tel: [phone] / Fax: [phone]
Tel: [phone] Fax: [phone]
E-Mail: [e-mail]
E-Mail: [e-mail]
____________________________________________________________________________________________________________________________________________________________________________________________________________
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