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PDF TFS70H35 Data sheet ( Hoja de datos )
| Número de pieza | TFS70H35 | |
| Descripción | Filter | |
| Fabricantes | Vectron International | |
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File name: Tfs70H35.doc
VI TELEFILTER
Filter specification
Version 1.0
TFS 70H35
23.07.2002
1/5
1. Measurement condition :
Ambient temperature TA:
Input power level:
Terminating impedances in fc * ) :
23 °C.
0 dBm.
for input:
for output:
450 Ω - 26,3 pF
450 Ω - 29,3 pF
2. Characteristics :
Remark:
Reference level for the relative attenuation arel of the TFS 70H35 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
Insertion loss (Reference level) ae
Centre frequency fc at ambient temperature (fCTA)
23,5 dB
70,0 MHz
max. 25 dB
70,00 ± 0,10 MHz
Pass band ( PB ) :
Amplitude ripple in : fc –2,8 MHz ... fc + 2,8 MHz
Bandwidth ( BW ) :
1 dB
3 dB
at ambient temperature TA
20 dB
45 dB
50 dB
0,5 dB
5,85 MHz
6,31 MHz
7,0 MHz
8,0 MHz
8,2 MHz
fc ... fc ± 3,0
max.
1
MHz
dB
min.
min.
max.
5,6 MHz
6 MHz
8,4 MHz
Relative attenuation
arel
fc ... fc ±..2,8 MHz
fc ± 2,8 MHz ... fc ± 3 MHz
fc ± 4,2 MHz ... fc ± 8 MHz
fc ± 8 MHz ... fc ± 40 MHz
Group delay ( mean value in PB ):
Group delay ripple in PB (p-p):
Deviation from linear phase in PB (p-p) :
-
-
55
65...70
dB
dB
3,0 µs
80...100 ns
2,7 ° ( r.m.s. 0,6° )
max.
max.
min.
min.
1 dB
3 dB
45 dB
50 dB
max. 130 ns
max.
6°
Triple transit attenuation compared to main signal
Crosstalk
47 dB
65 dB
Temperature coefficient of frequency ( Tcf ) :
Frequency deviation of fc over temperature :
Operating temperature range
Storage temperature range
- 75 ppm/K
∆fc(Hz) = Tcf(ppm/K) x (T - TA) x fCTA (MHz)
- 25 °C ... + 80 °C
- 40 °C ... + 85 °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:
W. Dunzow
Dr. Bert Wall
VI TELEFILTER
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
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  
File name: Tfs70H35.doc
VI TELEFILTER
7. History :
Version Reason of changes
1.0 Generate filter specification.
Filter specification
Version 1.0
TFS 70H35
23.07.2002
5/5
Name
Dunzow W.
Date
23.07.2002
VI TELEFILTER
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
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 TFS70H35.PDF ] | |
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