ECL circuits typically have relatively small logic spans of approximately 800 mV. Because of the small span, to drive TTL circuits from ECL levels normally entails the use of level converters, such as ...

I feel the Godox XPro TTL/HSS flash trigger is a little reminiscent of the pro-grade Canon Speedlite Transmitter ST-E3-RT in its look and feel, which is no bad thing. Having bought and extensively ...