Filename: tfs 1237.doc

Version 1.3

14.11.2006

Filter specification

TFS 1237

1/5

Tele Filter GmbH

Potsdamer Straße 18

D 14 513 TELTOW / Germany

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

Measurement condition

Ambient temperature:

23

°C

Input power level:

0

dBm

Terminating impedance:

Input:

50

Ω

Output:

50

Ω

Characteristics

Remark:

limit. 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

2,0

dB

max.

4

dB

Nominal frequency

-

1237

MHz

Passband

PB

-

± 20

MHz

Pass band ripple

0,5

dB

max.

1,75 dB

Absolute attenuation

aabs

1

MHz ...

100

MHz

37

dB

min.

30

dB

100

MHz ...

1000 MHz

28

dB

min.

25

dB

1000

MHz ...

1177 MHz

34

dB

min.

30

dB

1297

MHz ...

1338 MHz

47

dB

min.

25

dB

1338

MHz ...

2000 MHz

33

dB

min.

30

dB

Group delay ripple within PB

6

ns

max.

10

ns

Operating temperature range

OTR

-

- 40 °C ... + 85 °C

Storage temperature range

-

- 40 °C ... + 90 °C

Temperature coefficient of frequency

TCf *

-70

ppm/K

-

Input power level

-

max.

17

dBm

*)

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.