
Filename: tfs 1575a.doc
Version 1.1
23.07.2004
VI TELEFILTER
Filter specification
TFS 1575A
1/5
Tele Filter GmbH
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail: tft@telefilter.com
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.
Measurement condition
Ambient temperature:
23
°C
Input power level:
0
dBm
Terminating impedance:
Input:
50
Output:
50
Characteristics
Remark:
The maximum attenuation in the pass band is defined as the insertion loss ae. The nominal frequency fN is fixed at 1575,42 MHz without tolerance or limit.
The frequency shift of the filter in the operating temperature range is included in the production tolerance scheme.
D a t a
typ. value
tolerance / limit
Insertion loss
ae
1,5
dB
max.
2,5
dB
(reference level)
-
Nominal frequency
fN
-
1575,42 MHz
Passband
PB
-
fN
±
1,2
MHz
Pass band ripple
0,7
dB
max.
1,0
dB
Absolute attenuation
aabs
0,3
MHz
… 1520
MHz
42
dB
min.
35
dB
1520
MHz
… 1535
MHz
39
dB
min.
30
dB
1625
MHz
… 1630
MHz
55
dB
min.
30
dB
1630
MHz
… 2400
MHz
45
dB
min.
40
dB
2400
MHz
… 3000
MHz
45
dB
min.
30
dB
3000
MHz
… 6000
MHz
22
dB
min.
10
dB
VSWR within PB
1,5 : 1
2 : 1
Operating temperature range
OTR
-
- 40 °C ... + 85 °C
Storage temperature range
-
- 45 °C ... + 85 °C
Temperature coefficient of frequency
TCf *
-36
ppm/K
-
*)
f(Hz) = TCf(ppm/K) x (T-T0) x fTo(MHz).
Generated:
Checked / Approved: