Filename: tfs 280l.doc

Version 1.3

18.10.2004

Filter specification

TFS 280L

2/5

Tele Filter GmbH

Potsdamer Straße 18

D 14 513 TELTOW / Germany

Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30

E-Mail:

tft@telefilter.com

Filter characteristic

Construction and pin connection

220

232

244

256

268

280

292

304

316

328

340

-60

-54

-48

-42

-36

-30

-24

-18

-12

-6

0

frequency in MHz

268 270.4 272.8 275.2 277.6 280 282.4 284.8 287.2 289.6 292

-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

frequency in MHz

m

a

gn

it

ud

e

in

d

B

268 270.4 272.8 275.2 277.6 280 282.4 284.8 287.2 289.6 292

0.37

0.4

0.43

0.46

0.49

0.52

0.55

0.58

0.61

0.64

0.67

frequency in MHz

de

la

y

in

µs

(All dimensions in mm)

7

5

1

3

2,54

1,1

1

3

5

7

Date code

50

Ω matching network

L2

Output

50 Ohm

C2

Input

50 Ohm

C1

L1

SAW

1,2,4,5,6,8

3

7

S 280L

●

S23

1

Ground

2

Input RF Return

3

Input

4

Ground

5

Ground

6

Output RF Return

7

Output

8

Ground

Date code: Year + week

S

2004

T

2005

U

2006

...

m

a

gn

i

ud

e

in

d

B

t

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.