OSRAM QUICKTRONIC INTELLIGENT DIM CFL - Manual (Page 8)

7
2.1 Block diagrams of a digital/analog dimmable ECGs 2
a) Digital dimmable ECG with DALI interface
b) Analog dimmable ECG with 1…10 V interface
Figure 3: EMC filters and safety shutdown are important elements of
high-quality dimmable electronic control gears.
2 • EMC filter for HF interference signals from 9 kHz to 300 MHz
• Power Factor Correction: Correction of the line current harmonics
• HF half-bridge generator (40 kHz – 120 kHz) with resonance circuit
• Safety shutdown incl. “End of Life“ detection
• Cs: Storage capacitor
2 Overview of dimmable
electronic control gears