tfs 80D2doc

Version 1.1

16.05.2000.

VI TELEFILTER

Filter Specification

TFS 80 D2 - 4/4

VI TELEFILTER

Vectron International, Inc.

Potsdamer Straße 18

267 Lowell Road

D 14 513 TELTOW / Germany

Hudson, NH 03051 / USA

Tel: (+49) 3328 4784-52 / Fax: (+49) 3328 4784-30

Tel: (603) 598-0070 Fax: (603) 598-0075

E-Mail: tft@telefilter.com

E-Mail: vti@vtinh.com

VI TELEFILTER reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is

assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information.

History

Version

Reason of Changes

Name

Date

1.0

Change filter specifications TFS 80D and TFS 80D1

according to customer requirements:

Dunzow W.

10.05.2000

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 .

1.1

1.

Change of selection limit line ( – 45 dB )

Dunzow W.

16.05.2000

from fc ± 500 kHz ... fc ± 850 kHz

to

fc ± 500 kHz ... fc ± 1000 kHz

2.

Correction of frequency inversion temperature :

and temperature coefficient of frequency :