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| Audio Hybrid Transformer Applications: 7390 7390 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 2-wire loop and the 4-wire circuit, and where DC handling capability is required on the 2-wire side. MECHANICAL AND SCHEMATIC (All dimensions in inches) ELECTRICAL SPECIFICATION @ 25C 7390 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. 7390 03/05/02 Insertion Loss Frequency Response Return Loss, 2-wire port Longitudinal Balance Transhybrid Loss Dielectric Strength ISSUE: P1 @ 1000 Hz 300 - 4000 Hz 1000 - 2000 Hz 300 - 3500 Hz 200 - 3000 Hz 300 - 3000 Hz Pri. to Sec. Winding to core < 1.0 dB < 0.25 dB > 27 dB > 20 dB > 76 dB > 46 dB 1500 Vrms 1500 Vrms 229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com An ISO 9001 Registered Company |
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