Filename: tfs 174e.doc
Version 1.6
VI TELEFILTER
21.12.2006
Filter specification
TFS 174E
1/5
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
25
0
°C
dBm
200
50
Ω
Ω
balanced
single ended
Characteristics
Remark:
The nominal frequency fN is fixed at 174,2. The insertion loss ae is defined as loss value determined at fN. Reference level for the relative attenuation arel
of the TFS 174E is the insertion loss ae. All specified data are met within the operating temperature range.
Data
typ. value
Insertion loss
ae
(reference level)
Nominal frequency
1,15
tolerance / limit
dB
3,5
fN
174,2
at ambient temperature
Pass band ripple
Relative attenuation
…
…
…
…
…
…
…
…
…
…
…
149,0
160,0
168,0
169,5
184,0
195,0
199,0
215,0
270,0
326,0
500,0
arel
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
fN ± 100
Passband
23,0
MHz
149,0
MHz
160,0
MHz
168,0
MHz
178,5
MHz
184,0
MHz
195,0
MHz
199,0
MHz
215,0
MHz
270,0
MHz
326,0
MHz
Absolute group delay
dB
kHz
0,15
dB
max.
0,2
dB
65
60
28
27
22
55
54
56
45
70
70
0,25
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
µs
min.
min.
min.
min.
min.
min.
min.
min.
min.
min.
min.
max.
50
40
20
10
10
20
40
45
45
45
40
1,5
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
µs
Group delay ripple within PB
at ambient temperature
26
ns
max.
100
ns
Input return loss at fN
at ambient temperature
12
dB
min.
9
dB
max.
10
Input power level at 50°C
Operating temperature range
OTR
Storage temperature range
Temperature coefficient of frequency
TCf **
-
- 10 °C ... + 80°C
-
dBm
- 40 °C ... + 85°C
-35
ppm/K
**) ∆f(Hz) = TCf(ppm/K) x (T-T0) x fTo(MHz).
Generated:
Checked / Approved:
Tele Filter GmbH
Potsdamer Straße 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.
