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Nanotube Radio

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posted on 03.04.2020, 17:02 by K. Jensen, J. Weldon, H. Garcia, A. Zettl
We have constructed a fully functional, fully integrated radio receiver from a single carbon nanotube. The nanotube serves simultaneously as all essential components of a radio:  antenna, tunable band-pass filter, amplifier, and demodulator. A direct current voltage source, as supplied by a battery, powers the radio. Using carrier waves in the commercially relevant 40−400 MHz range and both frequency and amplitude modulation techniques, we demonstrate successful music and voice reception.