TFS117A Datasheet, PDF (1/5 Pages) Vectron International, Inc – Filter Specification

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Filter Specification
TFS 117A
1/5
______________________________________________________________________________________________________
Measurement condition
Ambient temperature: 23
Input power level:
0
Terminating impedances
for input:
for output:
External coil:
°C
dBm
840 Ohm // -3.9 pF.
840 Ohm // -3.9 pF
290 nH
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 117A is the insertion loss. The insertion loss ae is defined as the insertion loss at the
nominal frequency f_N . 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 f_N is fixed on 117.6 MHz without tolerance. The specified values have to be reached in
operating temperature range.
Data
Insertion loss
ae
(Reference level)
Nominal frequency
Centre frequency
1 dB bandwidth
f_N
f_C
BW
Relative attenuation
arel
f_N ± 0,8 MHz ... f_N ± 1,8 MHz
f_N ± 1,8 MHz ... f_N ± 6 MHz
f_N ± 6 MHz ... f_N ± 100 MHz
VSWR
@ f_N
Group delay
GD
@ f_N
Input power
Operating temperature range
Temperature coefficient of frequency TC
Frequency inversion temperature
typ. Value
-
-
117,605 MHz
-
42
dB
44
dB
28...90
dB
1,3 : 1
4,3 µs
-
ca. – 0,036 ppm/K²
+ 35 °C
tolerance/limit
1,25 ... 3,25 dB
117,600 MHz
-
-
min. 20
dB
min. 30
dB
min. 10
dB
max. 1,8 : 1
max. 8,2 µs
max. 13
dBm
- 5 °C ... + 80 °C
Generated:
Checked / approved:
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Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
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