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