Audio TLA 0839 is designed to be used in a “Single Coil” hybrid configuration with the following features. • Low loss. • High Return loss. • DC capability. TLA 0839 Hybrid Transformer Applications: Interfacing the Central Office to 900Ω 2-wire subscriber loop in a CODEC system where DC loop feed is required. MECHANICAL All dimensions are in inches 5 6 3 7 2 8 A 9 ELECTRICAL ISSUE: B 95/04/11 TLA829 TLA 0839, in a 1-coil hybrid configuration, as per diagram, has the following electrical performance when terminated with specified impedances and up to 90 mA loop current. Frequency Response > 2.0 dB < 0.5 dB < 0.1 dB < 0.4 dB 60 Hz 300 - 500 Hz 500 - 4000 Hz 4 - 10 KHz Return Loss, 2-wire port > 20 dB > 15 dB 300 - 3500 Hz 200 Hz Longitudinal Balance ≥ 40 dB ≥ 51 dB ≥ 59 dB ≥ 65 dB 60 Hz 200 Hz 1000 Hz 3000 Hz Transhybrid Loss > 25 dB 300 - 4000 Hz Dielectric Strength 700 V rms Filtran Limited winding to winding & Windings to core 229 Colonnade Road, Nepean, Ontario, K2E 7K3, Canada Tel: (613) 226-1626, Fax: (613) 226-7124 9-3