File name : TFS452A.doc

version 1.2

21.01.2004

VI TELEFILTER

Filter Specification

TFS 452A

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

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.

Measurement condition

Ambient temperature:

23

°C

Input power level:

0

dBm

Terminating impedance:

Input:

50

Ω

Output:

50

Ω

Characteristics

Remark:

The values of absolute attenuation arel 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

1,1

dB

max.

3,0

dB

Nominal frequency

452,5

MHz

452,5

MHz

Passband -3dB at 23°C

Passband ripple

PB

8,7

0,3

MHz

dB

max.

± 2,5

1,5

MHz

dB

Absolute attenuation

aabs

300

MHz ...

347,5 MHz

32

dB

min.

30

dB

347,5

MHz ...

442,5 MHz

29

dB

min.

25

dB

460

MHz ...

465

MHz

44

dB

min.

30

dB

465

MHz ...

2000 MHz

31

dB

min.

25

dB

Operating temperature range

OTR

-

- 10 °C ... + 85 °C

Storage temperature range

-

- 40 °C ... + 85 °C

Temperature coefficient of frequency

TCf *

-35,1

ppm/K

-

Input power level

-

max.

25

dBm

VSWR

in PB

1,6:1

max.

2,1:1

*)

Generated:

Checked / approved: