HD - Hum Eliminators

The HD Series of high frequency ground loop eliminators is designed for High Definition Broadcast chains. Even though SDI is more immune to extraneous noise and low frequency components (hum) problems can still exist.  HD-SDI Serial Digital signal transmissions at 1.485Gbps over a cable contain a range of low to high frequencies like analog signals and are subject to analog-type distortions like induced noise as well as unique digital distortions related to sampling and quantizing. These distortions may result in a variety of visible impairments.  Using the Allen Avionics HD-SDI Ground Loop Eliminator you can eliminate the potential for this kind of data loss. See (Outgoing Video) The model HD-SDI Ground Loop Eliminator supports the four transmission rates of SMPTE 259m and SMPTE 292m 1.485Gbps HD SDI.


HD-SDI Data Sheet 2018.pdf

Product
Number of inputs
Connector
Impedance
Ground loop isolation
Bandwidth
Return Loss
Package
Approx. Weight
HD-SDI-11 Single ChannelBNC per IEC60169-875 Ohms UnbalancedGreater than 60dB3.0 GHzGreater than 15dB to 1.5GHzCast Aluminum Case3 LBS
HD-SDI-33 Isolated ChannelsBNC per IEC60169-875 Ohms UnbalancedGreater than 60dB3.0 GHzGreater than 15dB to 1.5GHzCast Aluminum Case9 LBS
HD-SDI-55 Isolated ChannelsBNC per IEC60169-875 Ohms UnbalancedGreater than 60dB3.0 GHzGreater than 15dB to 1.5GHzCast Aluminum Case13 LBS
HD-SDI-5R5 Isolated Channels - Rack MountedBNC per IEC60169-875 Ohms UnbalancedGreater than 60dB3.0 GHzGreater than 15dB to 1.5GHzCast Aluminum Case13 LBS