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TFS159A Datasheet, PDF (1/5 Pages) Vectron International, Inc – Filter specification
TFS159A.doc
VI TELEFILER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
Version 1.3
Filter specification
23
°C
0.
dBm
100 Ω || -9,9 pF
100 Ω || -11,9 pF
TFS 159A
19.08.2004
1/5
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 159A 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 reference frequency fc is the arithmetic mean value of the upper and lower frequencies at the 1 dB
filter attenuation level relative to the insertion loss ae. The temperature coefficient of frequency Tcf is valid both for 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
Insertion loss variation
(25° to 70° C)
Nominal frequency
ae = amin
fN
21,3 dB
0,6 dB
-
max. 23
dB
1
dB
159,8 MHz
Pass band
PB
Pass band ripple
Relative attenuation
(p - p)
arel
fN
... fN ± 13,0 MHz
fN -158,4 MHz ... fN - 151,8 MHz
fN -151,8 MHz ... fN - 18,1 MHz
fN + 18,2 MHz ... fN + 90,2 MHz
Phase linearity
low freq. ripple
high freq.ripple
< 3 cycles
> 3 cycles
-
0,5 dB
0,5 dB
47
dB
55
dB
55
dB
4
deg
2
deg
fN ± 13
max. 1
MHz
dB
max. 1
dB
min. 25
dB
min. 40
dB
min. 40
dB
max. 5
max. 3
deg p-p
deg p-p
VSWR
12
dB
max. 2:1
Triple transit response suppression
43
dB
min. 38
dB
Temperature coefficient of frequency Tcf **
Operable temperature range
Operating temperature range
OTR
Storage temperature range
-87
ppm/K
-
-
-
-
0 °C ... + 70 °C
+ 50 °C ... + 60 °C
- 55 °C ... + 105 °C
*)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.
**) ∆fc(Hz) = Tcf(ppm/K) x (T - TA) x fC (MHz)
generated:
checked / approved:
Tele Filter GmbH
Posdamer Straße 18
D 14513 TELTOW /Germany
Tel: (+49) 3328 4784 – 52/ 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.