The following are some basic facts about input loop power sources: The input module usually isn't a loop power source. Although 120V is common for digital loops, other voltages are also used. There ...

This application note presents the Analog-to-Digital converter input buffer and protection techniques designed for maximized and reliable data acquisition. The document also briefly describes the SCR ...

Bel Power Solutions and Protection has delivered the new LDX-B20, a microprocessor-controlled buffer unit rated at 20A and usable in 12V, 24V, 48V and 72V systems. The company is a part of the Bel ...

Hittite Microwave has introduced a connectorised 1:2 fanout buffer module, which supports data transmission/clock rates of 50Gbit/s/30GHz. Suitable for OC-768 and SDH STM-256 equipment, short, ...

In our previous issue, we noted that the first step in troubleshooting digital input modules is to verify the power source of each loop. If input power is missing, the causes can be such things as ...