TFS80D2 Datasheet, PDF (4/4 Pages) Vectron International, Inc – Filter Specification

tfs 80D2doc
VI TELEFILTER
Filter Specification
History
Version
1.0
1.1
Reason of Changes
Change filter specifications TFS 80D and TFS 80D1
according to customer requirements:
1. Change of insertion loss limit :
from ILo = max. 16,0 dB without matching
to ILo = max. 14,5 dB with matching .
2. Change of centre frequency tolerance
from fc = 80,07 ± 0,02 kHz
to fc = 80,07 ± 0,01 kHz .
3. Change of band width limit :
from BW(-3dB) = min. 180 kHz without matching
to BW(-3dB) = min. 200 kHz with matching;
4. ^{Change of selection from –34 dB up to –36 dB}
in fc ± 400 kHz ... fc ± 500 kHz .
1. Change of selection limit line ( – 45 dB )
from fc ± 500 kHz ... fc ± 850 kHz
to fc ± 500 kHz ... fc ± 1000 kHz
2. Correction of frequency inversion temperature :
from To = 20° to To = 10° (after measure )
and temperature coefficient of frequency :
from Tcf = -0,055 ppm/K² to Tcf = -0,045 ppm/K² .
Version 1.1
16.05.2000.
TFS 80 D2 - 4/4
Name
Date
Dunzow W. 10.05.2000
Dunzow W. 16.05.2000
VI TELEFILTER
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: [phone] / Fax: [phone]
E-Mail: [e-mail]
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: [phone] Fax: [phone]
E-Mail: [e-mail]
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