TFS246H2 Datasheet, PDF (1/4 Pages) Vectron International, Inc – SAW filter specification

tfs246h2.eng
11/96
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TELE FILTER tft GmbH
SAW filter specification
TFS 246H2 1/4
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Measurement condition
Ambient temperature:
Input power level:
Source impedance:
Load impedance:
Ext coil:
23 °C
-10 dBm
490 Ω || -2.62 pF (± 10%)
490 Ω || -2.62 pF (± 10%)
82 nH
Construction
see page 2
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 246 H2 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 nominal frequency fN is fixed on 246,000 MHz without tolerance.
Data
typ. value
tolerance / limit
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Insertion loss
(Reference level)
ae = amin
2,5 dB
max 5
dB
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Nominal frequency
fN
-
246,000 MHz
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Pass band ripple
fN - 85 kHz ... fN + 93 kHz
-
max 1,5 dB
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Relative attenuation
arel
246,0 MHz ± 120 kHz
1,5 dB
max 3
dB
246,0 MHz ± 330
246,0 MHz ± 400
246,0 MHz ± 600
246,0 MHz ± 800
246,0 MHz ± 1,6
246,0 MHz ± 3,0
246,0 MHz ± 20
kHz ... 246,0 MHz ± 400
kHz ... 246,0 MHz ± 600
kHz ... 246,0 MHz ± 800
kHz ... 246,0 MHz ± 1,6
MHz ... 246,0 MHz ± 3,0
MHz ... 246,0 MHz ± 20
MHz ...246,0 MHz ± 100
kHz
kHz
MHz
MHz
MHz
MHz
MHz
22
dB
33
dB
50
dB
55
dB
55
dB
55
dB
55
dB
min 18
dB
min 25
dB
min 40
dB
min 45
dB
min 45
dB
min 50
dB
min 45
dB
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Group delay distortion GDD
246,0 MHz ± 50 kHz
0,5 µs
max 1,2 µs
246,0 MHz ± 70 kHz
0,8 µs
max 1,5 µs
246,0 MHz ± 100 kHz
1,2 µs
max 2,5 µs
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Operating temperature range
- 20 °C ... + 70 °C
Storage temperature range
- 30 °C ... + 85 °C
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Temperature coefficient of frequency TCf
- 0,036 ppm/K²
-
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Frequency inversion temperature
+ 25
°C
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TELE FILTER tft GmbH / Potsdamer Straße 18 / D 14 513 TELTOW
Phone: [phone] / Facsimile: ([phone] / e-mail: [e-mail]
tfs246h2.eng
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