Analogue and mixed signal ICs with appliances in telecommunication, network systems, flat panel, medical and industrial engineering:

LED and EL drivers;
PoE (Power-over-Ethernet) controller Ics;
SMPS, impulse PWM controllers;
inductivless off-line regulators;
high-voltage analogue switch and MUX;
N-/P-channel MOSFET and matrix;
ring generators for telecommunication.