AV source selector

Published:2011/8/11 22:43:00 Author:Ecco | Keyword: AV source selector | From:SeekIC

AV source selector circuit is composed of the power supply circuit, AV signal selection circuit and power control circuit, and it is shown in Figure 3-204. Power supply circuit is composed of the power transformer T, bridge rectifier UR, filter capacitors Cl5-C18 and three-terminal voltage regulator integrated circuit IC2. AV signal selection circuit is composed of the high-frequency analog switch integrated circuits ICl, resistors Rl-Rl5, capacitors Cl-C14 and the signal outlets XSl-XSl2. Power control circuit is composed of the selector switch S, transistors Vl-V3, relays Kl-K3, diodes VDl-VD3, LEDs VLl-VL3, resistors Rlg-R22 and the outlets XSl3-XSl7.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Signal_Processing/AV_source_selector.html

Print this Page | Comments | Reading(3)