TFS70H24A Datasheet, PDF (1/5 Pages) Vectron International, Inc – Filter specification

Filename: tfs 70h24a.doc
VI TELEFILTER
Version 1.1
Filter specification
TFS 70H24A
26.08.2004
1/5
Measurement condition
Ambie₀nt temperature:
25
°C
0
4.38
Input power level:
0
dBm
Term^-i⁸nating impedance: *
-1
4.29
-16
Input:
312 Ω || -14,7 pF
-2
4.2
Output:
424 Ω || -12,7 pF
-24
-3
4.11
-32
Characteristics
-40
-4
4.02
-5
3.93
Rem-4a8rk:
-6
3.84
The reference level
atten^-u⁵a⁶tion amin is
for the relative
defined as the
attenuation arel of the
insertion loss ae. The
TFS 70H24A is the
centre frequency fc
minimum of the
is the^-7arithmetic
pmaesasnbavanldueatotefntuhaetiuopnpaemr _{ainn.dTlhoewmerinfrimequumenocfiethse3ap.t7}a_5thsse
band
3 dB
filter _-a₆₄ttenuation level relative to the insertion loss ae. The temperature coefficien_-t₈of frequency Tc_f is valid for both the reference frequency₃f_.6c6and 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-7c2tion tolerance scheme.
-9
3.57
-80
66 66.8 67.6 68.4 69.2 70 70.8 71.6 72.4 73.2 74
frequency in MHz
Data
-10
3.48
69.25 69.4 69.55 69.7 69.85 70 70.15 70.3 70.45 70.6 70.75
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 ±
0,40 MHz … f_C ±
0,45 MHz … f_C ±
ae
f_C
BW
arel
0,40 MHz
0,45 MHz
0,50 MHz
20
dB
70,01 MHz
1,12 MHz
1,33 MHz
2,18 MHz
0,4 dB
0,7 dB
1,8 dB
max.
24 dB
70,0 ± 0,07 MHz
f_C ± 0,50 MHz
min.
min.
max.
max.
max.
max.
0,9 MHz
1,0 MHz
2,3 MHz
0,7 dB
1 dB
3 dB
f_C ±
f_C ±
1,15
2,5
Group delay
MHz … f_C ±
MHz … f_C ±
2,5 MHz
30
MHz
mean value in PB
Group delay ripple within PB
52
dB
60
dB
3,63 µs
135
ns
min.
min
max.
min.
40 dB
50 dB
4 µs
3 µs
max. 150 ns
Deviation from linear phase within PB
2,7 °
max.
4°
Triple transit response suppression
48
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
30
°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
Potsdamer Straße 18
D 14 513 TELTOW / Germany
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E-Mail: [e-mail]
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