Filename: tfs 1237c.doc

Version 1.0

21.08.2013

Vectron International

Filter specification

TFS 1237C

1/5

Vectron International GmbH

Potsdamer Straße 18

D 14 513 TELTOW / Germany

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

Vectron International GmbH 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:

200

Output:

200

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 in PB

ae

3.7

dB

max.

4.5

dB

Nominal frequency

-

1235.5

MHz

Passband

PB

-

±

18.5

MHz

Pass band ripple

p-p

0.8

dB

max.

1.0

dB

Pass band variation

1.5

dB

max.

2.5

dB

Absolute attenuation

aabs

0.3

MHz

… 1000

MHz

27

dB

min.

25

dB

1000

MHz

… 1177

MHz

27

dB

min.

20

dB

1297

MHz

… 1360

MHz

32

dB

min.

12

dB

1360

MHz

… 2500

MHz

29

dB

min.

25

dB

Group delay ripple

-

1217

MHz

… 1237

MHz

7

ns

max.

10

ns

1237

MHz

… 1254

MHz

10

ns

max.

15

ns

Group delay variation

(unit to unit)

**)

+/- 2.5

ns

max.

+/- 5

ns

VSWR within PB

2.0 :1

max.

2.2 : 1

Input power level in PB

-

max.

10

dBm

Operating temperature range

OTR

-

- 40 °C ... + 85°C

Storage temperature range

-

- 45 °C ... + 85°C

Temperature coefficient of frequency

TCf *)

-76

ppm/K

**) measured at 1241.5 MHz, 1245.5 MHz, 1249.5 MHz

Generated:

Checked / Approved: