TFS170E Datasheet, PDF (1/5 Pages) Vectron International, Inc – VI TELEFILTER Filter specification

Filename: tfs 170e.doc
VI TELEFILTER
Version 1.4
Filter specification
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
23
°C
0
dBm
660 Ω || -11,6 pF
570 Ω || -13,6 pF
TFS 170E
05.05.2006
1/5
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 170E is the minimum of the pass band attenuation amin. The minimum of the pass band
attenuation amin is defined as the insertion loss ae. The centre frequency fc is the arithmetic mean value of the upper (f_{3 dB+)} and lower (f_{3 dB-)} frequencies
at the 3 dB filter attenuation level relative to the insertion loss ae. The temperature coefficient of frequency Tc_f is valid for both the reference frequency fc
and the frequency response of the filter in the operating temperature range. The frequency shift of the filter in the operating temperature range is not
included in the production tolerance scheme.
Data
typ. value
tolerance / limit
Insertion loss
(reference level)
Centre frequency at ambient temperature
ae
f_C ****)
11,0
170
dB
MHz
max.
±
13,0 dB
100,0 kHz
Passband
Pass band ripple p-p
PB
-
0,8 dB
f_C ±
max.
2,5 MHz
1,2 dB
Relative attenuation
f_{3 dB+} +
75
f_{3 dB-} -
75
f_{3 dB+} + 125
f_{3 dB-} - 125
f_{3 dB+} + 250
f_{3 dB-} - 250
f_{3 dB+} + 500
f_{3 dB-} - 500
kHz … f_{3 dB+} +
kHz … f_{3 dB-} -
kHz … f_{3 dB+} +
kHz … f_{3 dB-} -
kHz … f_{3 dB+} +
kHz … f_{3 dB-} -
kHz … f_C
+
kHz … f_C
-
Group delay
arel **)
125 kHz
125 kHz
250 kHz
250 kHz
500 kHz
500 kHz
10 MHz
10 MHz
mean value in PB
8
dB
8
dB
12
dB
12
dB
29
dB
29
dB
31
dB
31
dB
1,45 µs
min.
min.
min.
min.
min.
min.
min.
min.
max.
6
dB
6
dB
9
dB
9
dB
25
dB
25
dB
27
dB
27
dB
2,0 µs
Group delay ripple within PB p-p
280
ns
max. 400 ns
Group delay ripple in an arbitrary 25 kHz segment within PB
30
ns
max.
100
ns
Return loss within PB
13
dB
max.
10 dB
Operating temperature range
OTR
-
+ 10 °C ... + 55°C
Storage temperature range
-
- 40 °C ... + 85°C
Temperature coefficient of frequency
TCf ***
-18
ppm/K
*) The terminating impedances depend on parasitics and q-values of matching elements and the board used, and are to be understood as reference
values only. Should there be additional questions do not hesitate to ask for an application note or contact our design team.
**) we will guarantee that the cascade of 2 filters will fulfil 2 times the single filter rejection specification
***) ∆f(Hz) = TCf(ppm/K) x (T-T₀) x fTo(MHz)
****) centre frequency variation per reel limited to 50 kHz, done by a sorting into frequency groups having filters of one reel out of one frequency group
only,
each reel will be additionally labeled with the frequency group the filters have been sorted to, possible groups for the centre frequency are:
Group 1: 169,9MHz…169,95 MHz; Group 2: 169,95MHz…170,0 MHz; Group 3: 170,0MHz…170,05 MHz; Group 4: 170,05MHz…170,1 MHz
Generated:
Checked / Approved:
Tele Filter GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: [phone] / Fax: [phone]
E-Mail: [e-mail]
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.