New Dual Zo Digital Audio Transformers combine 75 AND 110 Ohms Zo: AES/EBU, AES-3id, SP/DIF Two new SMD transformers have just been developed to interface both balanced and unbalanced connections by use of dual windings of different ratios. Both of these parts provide High CMRR, Lowest Jitter, Low Interwinding Capacitance, while reducing the PCB footprint and component count. Both have the same footprint as our other SMD parts. SC939-06 110 Ohm Balanced to 110 Ohm Balanced and 75 Ohm Unbalanced  Scientific Conversion SC939-06 is a shielded 1.2 : 1.2 : 1.0 ratio dual secondary low profile surface mount AES/EBU transformer. SC939-06 is designed for Studio, Broadcast and Professional applications for transmit or receive applications where both balanced 110 Ohm and unbalanced 75 Ohm outputs or inputs are required. These ratios couple a 110 Ohm primary to both 75 and 110 Ohm secondaries. SC939-06 is designed for use with all popular AES/EBU transmitters, receivers and transceivers, at sample rates from 28 kHz up to 192 kHz. SC939-07 75 Ohm Unbalanced to 110 Ohm Balanced and 75 Ohm Unbalanced Scientific Conversion SC939-07 is a shielded 1.0 : 1.2 : 1.0 ratio dual secondary low profile surface mount AES/EBU transformer. SC939-07 is designed for Studio, Broadcast and Professional applications for transmit or receive applications where both balanced 110 Ohm and unbalanced 75 Ohm outputs or inputs are required. These ratios couple a 75 Ohm primary to both 75 and 110 Ohm secondaries. SC939-07 is designed for use with all popular AES/EBU transmitters, receivers and transceivers, at sample rates from 28 kHz up to 192 kHz.
SC939-06 Transmitter Application
SC939-06 Receiver Application
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