| 摘要 |
The custom code generating circuit generates custom codes in parallel using diodes. The circuit comprises a search signal generating circuit (10) for outputting custom pulse through terminals (a8), a key matrix unit (KM) comprising a first path connected to terminals (a0-a7) of the search signal generating circuit (10), a second path connected to the first path to form matrix shape, and a third path for providing custom pulses to the second path through resisters, and a search signal input unit (20) for receiving search signal and custom pulses transmitted through the second path.
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