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Tech Support

We have a collection of technical topics on power supply, DC-DC converters, and AC-DC converters.

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Knowledge Base

ISDN

What is ISDN?

ISDN equipment is governed by standards based on the OSI Seven Layer Model which insures interoperability

The ISDN physical layer defines how user equipment interfaces to the network


*NOTE:

The seven layers are Physical, Data Link, Network, Transport, Session, Presentation, Application

OSI = open system interconnection​

What are the parts of ISDN?

How do DC/DC Converters help build ISDN systems?


PAIR-GAIN

What is the PAIR-GAIN system?

What are the parts of a PAIR-GAIN system?


TECHNICAL ISSUES

What is EMI suppression?

What are European electromagnetic requirements?

What are FCC electromagnetic requirements?

Why do we need EMC?

What are the types of EMI?

How do EMI filters work?

What are the components of conducted EMI?

What is the general test setup for DC/DC converters?

What is a 'pi filter'?

How is output voltage accuracy calculated?

What is the "input voltage accuracy"?

What is the "voltage balance"?

What is line regulation and how is it calculated?

What is load regulation and how is it calculated?

What is efficiency?

What is switching frequency? 

What is output ripple and noise?

What is "Transient Recovery Time"?

What is "current limiting"?

What is "foldback current limiting?"

What is "isolation"?

What is the "breakdown voltage"?

What is the "temperature coefficient" and how is calculated?

What is the "ambient temperature"?

What is the "operating temperature"?

What is the "storage temperature range"?


XDSL 

What is XDSL?

What types of DSL are there?
How do DC/DC Converters help DSL applications?