TFS70E Datasheet, PDF (1/5 Pages) List of Unclassifed Manufacturers – Filter Specification

Filename: tfs 70e.doc
VI TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
Version 2.1
Filter specification
23
°C
0
dBm
50 Ω matching network
50 Ω matching network
TFS 70E
29.06.2005
1/5
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 70E is the minimum of the pass band attenuation. This value is defined as the insertion loss
ae. The nominal frequency fN is fixed at 70,2 MHz without any tolerance. The values of relative attenuation arel are guaranteed for the whole operating
temperature range. The frequency shift of the filter in the operating temperature range is included in the production tolerance scheme.
Data
typ. value
tolerance / limit
Insertion loss
(reference level)
ae
5,0 dB
max.
7,0 dB
Nominal frequency
f_N
-
70,2 MHz
Centre frequency
f_C
70,2 MHz
70,2
± 0,1 MHz
Passband
PB
-
f_N
± 350 kHz
Bandwidth
3 dB
900
kHz
min. 700
kHz
Relative attenuation
f_C ± 350,0 kHz
f_C +
f_C -
f_C +
f_C -
1,15
1,20
1,65
1,65
MHz ... f_C +
MHz ... f_C -
MHz ... f_C +
MHz ... f_C -
Group delay at f_N
Group delay ripple in PB
Input power level
arel
1,65 MHz
1,65 MHz
2,00 MHz
3,00 MHz
p-p
2
dB
26
dB
26
dB
38
dB
38
dB
1,35 µs
250
ns
-
max.
3 dB
min.
20 dB
min.
20 dB
min.
35 dB
min.
35 dB
-
max. 350 ns
max.
0 dBm
Permissible DC voltage
-
max.
12 V
Operating temperature range
OTR
-
0 °C ... + 70 °C
Storage temperature range
-
-40 °C ... + 85 °C
Temperature coefficient of frequency
TCf **
-72
ppm/K
-
*) Please refer to the application another more details. Should there be additional questions do not hesitate to ask for an application note or contact our
design team.
**) ∆fc(Hz) = TC_f(ppm/K) x (T - T_o) x f_To (MHz).
Generated:
Checked / Approved:
Tele Filter GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: [phone] / Fax: [phone]
E-Mail: [e-mail]
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