TLA 2276 is designed to be used

in a 2-coil hybrid transformer

configuration with the following

features:

•

Low Insertion Loss.

•

High Return loss.

•

DC capability.

•

High Transhybrid Loss.

Applications:

Hybrid Interface between the 2-

wire loop and the 4-wire circuit,

and where DC handling capabil-

ity is required on the 2-wire side.

Audio

Hybrid Transformer

TLA 2276

TLA 2276 has the following electrical performance in a 2-coil hybrid configuration, as per diagram, when ter-

minated with specified impedances and with up to 70 mA loop current at the 2-wire port.

Insertion Loss

@1000 Hz

<1.0 dB

Frequency Response

300 - 4000 Hz

< 0.25 dB

Return Loss, 2-wire port

1000 - 2000 Hz

> 27 dB

300 - 3500 Hz

> 20 dB

Longitudinal Balance

200 - 3000 Hz

> 76 dB

Transhybrid Loss

300 - 3000 Hz

> 46 dB

Dielelectric Strength

Pri. to Sec.

700 Vrms

Winding to core

700 Vrms

Filtran Limited

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

9-4

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

All dimensions

are in inches

Dot at

pin 1

MECHANICAL

ELECTRICAL