TFS817 Datasheet, PDF (1/5 Pages) Vectron International, Inc – Filter specification

Filename: tfs 817.doc
VI TELEFILTER
Version 1.1
Filter specification
TFS 817
23.05.2006
1/5
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
23
°C
0
dBm
357 Ω || -2,5 pF
231 Ω || -3,2 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of TFS 817 is the minimum of the pass band attenuation amin. This value is defined as the insertion loss
ae. The centre 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 given values for the relative attenuation arel and the group delay ripple have to be reached at the frequencies given below, even if the centre
frequency fc is shifted due to the temperature coefficient of frequency TCf in the operating temperature range and due to a production tolerance for the
centre frequency fc.
Data
typ. value
tolerance / limit
Insertion loss
(reference level)
ae
12,8 dB
max.
14 dB
Nominal frequency
Centre frequency
f_N
f_C
817
MHz
817 MHz
Passband
PB
Pass band ripple
-
0,6 dB
f_N ± 53
max.
1
MHz
dB
Amplitude ripple within any 150 kHz in PB
0,2 dB
max.
0,5 dB
Bandwidth
BW
1 dB
Relative attenuation
arel
10
500
910
1150
3000
MHz
MHz
MHz
MHz
MHz
… 500
… 715
… 1150
… 3000
… 5000
MHz
MHz
MHz
MHz
MHz
Absolute group delay within PB
118
MHz
50
dB
45
dB
41
dB
55
dB
65
dB
115
ns
min.
106 MHz
min.
30 dB
min.
35 dB
min.
35 dB
min.
30 dB
min.
15 dB
-
Group delay ripple within any 150kHz in PB
9
ns
max.
100
ns
Input return loss
11
dB
min.
8 dB
Output return loss
13
dB
min.
8 dB
Intermodulation
IP3 **
-
min.
35 dBm
Input power level
-
max. +10 dBm
Permissible DC voltage
Operating temperature range
OTR
-
- 35 °C ... + 85°C
Storage temperature range
-
- 40 °C ... + 85°C
Temperature coefficient of frequency
TCf ***
-92
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.
**) Two tones +5dBm, 100kHz apart
***) ∆ f(Hz) =TC_f(ppm/K) x(T-T₀) x f_To (MHz)
Generated:
Checked / Approved:
Tele Filter GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: [phone] / Fax: [phone]
E-Mail: [e-mail]
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