Difference between revisions of "ELCN"
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* 1 MHz square wave, 8 Vpp input to AC line though 2.2nF coupling cap with 10 K to ground | * 1 MHz square wave, 8 Vpp input to AC line though 2.2nF coupling cap with 10 K to ground | ||
* Transmitted from Diddy's room to Emily's room. 250 mV signal, 250 mV noise | * Transmitted from Diddy's room to Emily's room. 250 mV signal, 250 mV noise | ||
| + | |||
| + | Second test circuit: [[Image:ELCN.pdf]] | ||
Revision as of 23:12, 23 January 2007
Overview
The ELCN (Embedded Luminaire/Lighting Control Network) is the physical layer for transmitting light level data to embedded dimmers.
ELCN Transmitter
The transmitter injects a 1MHz carrier into the AC line at each zero crossing when its transmitting. It is connected to the line by a high pass filter.
ELCN Receiver
The receiver has a high pass filter to remove the 60 Hz signal and a diode-capacitor detector to demodulate the data.
Mechanical
The ELCN module will fit between the light bulb and the bottom of the socket.
Preliminary Results
- 1 MHz square wave, 8 Vpp input to AC line though 2.2nF coupling cap with 10 K to ground
- Transmitted from Diddy's room to Emily's room. 250 mV signal, 250 mV noise
Second test circuit: File:ELCN.pdf
