TEA4989 is an Audio Line match-

ing transformer with the following

features.

•

Low profile.

•

Conforms to FCC part 68,

Canadian CS 03 regulations.

Applications:

Line matching in 600 & 900

Ω cir-

cuits with up to 10 mA d.c. imbal-

ance.

Turns Ratio

1 : 1

1 c.t. : 1 c.t.

Insertion Loss

1000 Hz

1.5 dB

1.5 dB

Frequency Response

300 - 5000 Hz

< 1.0 dB

< 1.0 dB

Longitudinal Balance

300 - 5000Hz

> 65 dB

> 65 dB

Winding Resistance

(1 - 3)

88

Ω nom.

88

Ω nom.

(6 - 4)

106

Ω nom.

106

Ω nom.

Return Loss

300 - 5000 Hz

> 11 dB

> 11 dB

Dielectric Strength

1500 Vrms

1500 Vrms

TEA4989

1

3

6

4

TEA4989-1

1

2

3

6

5

4

All dimensions

are in inches

DOT AT

PIN 1

ELECTRICAL

TEA4989

TEA4989-1

MECHANICAL

Audio

Line Matching Transformer

TEA4989

Filtran Limited

229 Colonnade Road, Nepean, Ontario, K2E 7K3, Canada

8-9

Tel:(613)226-1626, Fax:(613)226-7124