Audio Line Matching Transformer TLA6821-1 is a split winding Line Matching Transformer with the following features: • Good magnetic shielding. • High Longitudinal Balance. • DC capability, 100 mA. MECHANICAL AND SCHEMATIC TLA6821-1 Applications: Interfacing subscriber equipment to a 600Ω 2-wire subscriber line, and where DC handling capability is required. (All dimensions in inches) SUGGESTED PCB PINOUT SCHEMATIC ELECTRICAL SPECIFICATIONS @ 25°C Issue A 13/07/01 TLA6821-1 has the following performance when terminated with 600Ω, and up to 100 mA DC in either primary or secondary windings. DCR (Ω) Part Number 6821-1 Insertion Loss (dB) Frequency Response (dB) Return Loss (dB) Longitudinal Balance (dB) Distortion Crosstalk (dB) 2-3 & 4-5 8-9 & 10-11 @ 1KHz 150 Hz3400 Hz 300 Hz3400Hz 300 Hz3400 Hz @ 200Hz, 0 dBm @ 1.00” spacing 17.5 ea 20.8 ea <0.7 <0.5 >18 >60 <0.5% 75 Filtran Limited An ISO 9001 Registered Company 229 Colonnade Road, Nepean, Ontario,Canada. K2E 7K3, Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com Hipot (Vrms) 1500