Adapter Switching Power Supply
Offers switching power supply, ad dc power adapters, external power supply, power chargers, and more.
http://www.b2b-switchingpower.com/
Electronic circuits schematics
A great collection of electronic circuit schematics: antennas, transmitters, audio and radio amplifiers, service guide manuals for lcd, tv, plasma and mobile phones
http://electroschematics.com
Yoketan Crystal Oscillator
Maker specializing in crystal oscillator, saw filter, crystal resonator, ceramic resonator, ceramic filter, ceramic discriminator and inductors.
http://yoketan.exporters.com.tw/
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