Filename: tfs1880.doc

Version 1.4

22.02.2005

Filter specification

TFS 1880

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 impedances

for input:

50

Ω

for 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

3,4

dB

max.

5

dB

(reference level)

Nominal frequency

1880

MHz

Centre frequency

1880

MHz

Passband

PB

80,5

MHz

±

30

MHz

Pass band ripple

0,6

dB

max.

3,5

dB

Absolute attenuation

aabs

10

MHz

… 1720

MHz

33

dB

min.

30

dB

1930

MHz

… 1935

MHz

17

dB

min.

13

dB

1935

MHz

… 1990

MHz

41

dB

min.

20

dB

2032

MHz

… 2340

MHz

41

dB

min.

35

dB

2340

MHz

… 2700

MHz

37

dB

min.

30

dB

2700

MHz

… 3500

MHz

12

dB

min.

10

dB

VSWR within PB

2,5

max.

3,0 : 1

Input power level

max.

13

dBm

Operating temperature range

OTR

-

- 10 °C ... + 70°C

Storage temperature range

-

- 40 °C ... + 85°C

Temperature coefficient of frequency

TCf **

-36

ppm/K

*) The terminating impedances depend on parasitics and q-values of matching elements and the board used, and are to be understood as reference values

only. Should there be additional questions do not hesitate to ask for an application note or contact our design team.

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.