Filename: tfs 1555.doc

Version 1.1

13.05.2005

Filter specification

TFS 1555

1/5

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

Measurement condition

Ambient temperature:

22

°C

Input power level:

0

dBm

Terminating impedance:

Input:

50

Ω

Output:

50

Ω

Characteristics

Remark:

The values of absolute attenuation aabs are guaranteed for the whole operating temperature range. The frequency shift of the filter in the operating

temperature range is included in the production tolerance scheme.

D a t a

typ. value

tolerance / limit

Insertion loss

ae

3,7

dB

4

dB

Nominal frequency

-

1555

MHz

Passband

-

±

30

MHz

Pass band ripple

1,6

dB

max.

2

dB

Absolute attenuation

aabs

1525

MHz

…

1585

MHz

3,7

dB

max.

4

dB

0,3

MHz

…

1480

MHz

32

dB

min.

25

dB

1650

MHz

…

2500

MHz

28

dB

min.

25

dB

Return loss within PB

9,5

dB

min.

8 **

dB

Group delay ripple within PB

10

ns

max.

18

ns

Input power level

-

max.

10

dBm

Permissible DC voltage

-

max.

0

V

Operating temperature range

OTR

-

- 40 °C ... + 85

°C

Storage temperature range

-

- 40 °C ... + 85

°C

Temperature coefficient of frequency

TCf *

- 72

ppm/K

-

*)

**) at ambient temperature

Generated:

Checked / Approved:

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.