TFS70H26A Datasheet, PDF (1/5 Pages) Vectron International, Inc – Filter specification

Filename: tfs 70h26a.doc
VI TELEFILTER
Version 1.1
Filter specification
TFS 70H26A
26.08.2004
1/5
Measurement condition
Ambie₀nt temperature:
25
°C
0
Input power level:
0
dBm
Term^-1i⁰nating impedance: *
-1
3.505
3.43
-20
Input:
610 Ω || -8,1 pF
-2
Output:
510 Ω || -9,5 pF
-30
-3
3.355
3.28
-40
Characteristics
-50
-4
3.205
-5
3.13
Rem-6a0rk:
-6
3.055
The reference level
atten^-u⁷a⁰tion amin is
for the relative
defined as the
attenuation arel of the
insertion loss ae. The
TFS 70H26A is the
centre frequency fc
minimum of the
is the^-7arithmetic
pmaesasnbavanldueatotefntuhaetiuopnpaemr _{ainn.dTlhoewmerinfrimequumenocfiethse2ap.t9}a_8thsse
band
3 dB
filter _-a₈₀ttenuation level relative to the insertion loss ae. The temperature coefficien_-t₈of frequency Tc_f is valid for both the reference frequency₂f_.9c0a₅nd 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
produ-9c0tion tolerance scheme.
-9
2.83
-100
60 62 64 66 68 70 72 74 76 78 80
frequency in MHz
Data
-10
2.755
69 69.2 69.4 69.6 69.8 70 70.2 70.4 70.6 70.8 71
frequency in MHz
typ. value
tolerance / limit
Insertion loss
(reference level)
Centre frequency
Passband
Bandwidth
1 dB
3 dB
40 dB
Relative attenuation
f_C
f_C ±
f_C ±
… f_C ±
0,8 MHz … f_C ±
0,9 MHz … f_C ±
ae
f_C
BW
arel
0,8 MHz
0,9 MHz
1,0 MHz
23
dB
70,0 MHz
1,90 MHz
2,31 MHz
3,60 MHz
0,4 dB
0,5 dB
1,2 dB
max.
26 dB
70,0 ± 0,08 MHz
f_C ± 1,00 MHz
min.
min.
max.
max.
max.
max.
1,8 MHz
2,0 MHz
3,8 MHz
0,7 dB
1 dB
3 dB
f_C ±
1,9
f_C ±
7,0
Group delay
MHz … f_C ±
MHz … f_C ±
7,0 MHz
30
MHz
mean value in PB
Group delay ripple within PB
43
dB
50
dB
2,85 µs
45
ns
min.
min
max.
min.
max.
40 dB
45 dB
3,5 µs
2,5 µs
90 ns
Deviation from linear phase within PB
2,2 °
max.
4°
Triple transit response suppression
56
dB
-
Crosstalk attenuation compared to main signal
50
dB
-
Operating temperature range
OTR
-
- 40 °C ... + 85°C
Storage temperature range
-
- 55 °C ... + 85°C
Frequency inversion temperature
32
°C
-
Temperature coefficient of frequency
TCf **
- 0,04 ppm/K²
-
*) 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.
**) ∆f(Hz) = TCf(ppm/K) x (T-T₀)² x fTo(MHz).
Generated:
Checked / Approved:
Filter characteristic
Tele Filter GmbH
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D 14 513 TELTOW / Germany
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