Audio TLA 2276 Hybrid Transformer Applications: 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. Hybrid Interface between the 2wire loop and the 4-wire circuit, and where DC handling capability is required on the 2-wire side. MECHANICAL All dimensions are in inches Dot at pin 1 TLA2276 TLA 2276 has the following electrical performance in a 2-coil hybrid configuration, as per diagram, when terminated with specified impedances and with up to 70 mA loop current at the 2-wire port. 95/04/11 ELECTRICAL Insertion Loss @1000 Hz <1.0 dB 300 - 4000 Hz < 0.25 dB 1000 - 2000 Hz 300 - 3500 Hz > 27 dB > 20 dB Longitudinal Balance 200 - 3000 Hz > 76 dB Transhybrid Loss 300 - 3000 Hz > 46 dB Pri. to Sec. Winding to core 700 Vrms 700 Vrms ISSUE: B Frequency Response Return Loss, 2-wire port Dielelectric Strength Filtran Limited 229 Colonnade Road, Nepean, Ontario, K2E 7K3, Canada Tel: (613) 226-1626, Fax: (613) 226-7124 9-4