Audio TLA4529 Line Matching Transformer TLA4529 is a 1:1 line matching transformer with the following features. • BABT certified for reinforced insulation to EN41003 & EN60950. . Certificate #: CT/T/0054 • Also conforms to U.S. FCC part 68, Canadian CS 03 and Australian AS3260 regulations. • Epoxy encapsulated. Applications: Interfacing equipment to a 600Ω line, requiring high insulation voltage between line and equipment , and where no DC current handling is required. MECHANICAL 1 4 Pri 620 Ω Sec 310 nF 0.6 ALL DIMENSIONS ARE IN INCHES 0.1 2 370 Ω 3 Fig.3 : Ref. Network (BS6305) DIA 0.025 Fig.1: Schematic for TLA4529 & -2 0.7 6 1 0.15 0.7 0.3 5 Sec Pri 2 0.3 C1 DOT AT PIN 1 0.5 Fig.4: Schematic for TLA4529-1 TLA4529-1 TLA4529 & -2 Issue: E 95/04/05 TLA452992.CHP ELECTRICAL Wind. Res. (Ohms) “ Pri Sec Leakage Ind. (mH) Insertion Loss (dB) Frequency Resp. (KHz) Longitudinal Bal. (dB) 200 - 4000 Hz Return Loss (dB) (dB) Cross talk (dB) Dielectric Strength (Vrms) C1 (Suggested value) C2 (Suggested value) Filtran Limited Pri Fig.2: Test circuit TLA4529 TLA4529-1 TLA4529-2 31.5 31.5 31.5 31.5 29.2 35.1 <9 <9 <1 < 1.0 < 1.0 < 1.0 0.2 - 4 0.2 - 4 0.2 - 100 > 65 > 65 > 65 200 - 4000 Hz 200 - 4000 Hz > 19 > 14 > 19 > 14 > 19 > 14 200 - 4000 Hz > 60 >60 > 90 dB 4000 4000 4000 27 nF 150 nF 27 nF 150 nF Select for optimum Return Loss @ 1000 Hz < 0.5 dB C2 4 3 229 Colonnade Road, Nepean, Ontario, K2E 7K3, Canada, Tel: (613) 226-1626, Fax: (613) 226-7124 @ Zref = Fig.3, Zload = Fig.2 @ Zref = 600Ω, Zload = 600Ω 7-12