Smartphone Circuit Board Diagram. G j series. This effect consists in passing the voice from the microphone circuit to the speaker circuit the subscriber hearing own voice.
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Whats people lookup in this blog. It rectifies and filters the ac input to high voltage dc. Mobile phone block diagram antenna memory arm controller dsp audio interface audio codec audio amp audio amp rf. Based on functions and development trend of future smart phones highly multi layer printed circuit boards should be applied as mother board and low multi layer pcbs as complementary daughter board.