Visual doorbell circuit 3

Published:2011/8/17 21:43:00 Author:Jessie | Keyword: Visual doorbell | From:SeekIC

This is 2.4 GHz baseband demodulation plate. Plate directional antenna receives 2.4 GHz signal and sends it to 2.4 GHz receiving module toisolateaudio and video signals, then the baseband clutter signal is filtered out by subsequent circuit, then it ismagnified into standard AV signal output, then it is input to TV. The 2.4 GHz transceiver module, 2.4 GHz transceiver antenna, 2.4 GHz baseband demodulation board and black and white veneer camera in thesystem are all from shenzhenYoujin electronic Co., LTD. Hollow inductor uses ∮ 1.0mm enamelled wire to wound in ∮ 5mm wire rod with the turns which is marked in the figure.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Control_Circuit/Visual_doorbell_circuit_3.html

Print this Page | Comments | Reading(3)