TFS36F Datasheet, PDF (1/5 Pages) Vectron International, Inc – Filter Specification

TFS36F.doc
VI TELEFILTER
Filter Specification
version 1.2
TFS 36 F
07.02.2003
1/5
Description
IF filter for digital cable TV
Measurement condition
Ambient temperature TA: 25 C
Input power level:
0 dBm
Terminating impedance: source: 50
load:
2 k II 3 pF
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 36F is the insertion loss. The insertion loss ae is defined as the insertion loss at
the nominal frequency fN .
Data
typ. Value
Limit
Insertion loss
(reference level)
19,6 MHz
20,3 ± 1,5 dB
Nominal frequency fN
-
Centre frequency
fc at ambient temperature TA
-
36,125 MHz
36,125 MHz ± 0,055 MHz
Bandwidth
1 dB
3 dB
30 dB
7,5 MHz
-
7,9 MHz
-
9,3 MHz
-
Group delay ripple p-p in fc ± 3,75 MHz
40
ns
-
Relative attenuation arel
lower side lobe
upper side lobe
32,32
39,93
32,13
40,13
31,25
47,25
25,00 ... 29,50
29,50 ... 31,25
40,90 ... 43,50
43,50 ... 50,00
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
1,6 dB
1,2 dB
3,8 dB
3,4 dB
41
dB
47
dB
42
dB
39
dB
35
dB
41
dB
-
1,1 ±
1
dB
3,1 ±
1,2 dB
3,2 ± 1,2 dB
min.
35
dB
min.
42
dB
min.
36
dB
min.
32
dB
min.
32
dB
min.
36
dB
Reflected wave signal suppression
1,2 µs...6,0 µs after main pulse
Feedthrough signal suppression
55
dB
53
dB
min.
42
dB
min.
50
dB
Operable temperature range
Storage temperature range
Temperature coefficient of frequency TCf*
*) fc(Hz) = Tcf(ppm/K) x (T - TA) x fCAT (MHz)
-
-
- 0,072 ppm / K
-25 ...
-40 ...
65
°C
85
°C
-
generated:
checked / approved:
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D 14 513 TELTOW / Germany
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