Abstract
A very low complexity impulse radio‐ultrawideband (IR‐UWB) transmitter suitable for balanced antenna is presented. This all‐digital transmitter employs the binary phase‐shift keying (BPSK) modulation scheme and eliminates the need for a balun. Also, a new Gaussian monocycle pulse generator is proposed which is used as impulse transmitted signal. The transmitter circuit was designed in 0.18‐μm complementary metal–oxide–semiconductor technology. The post‐simulation results show that the core chip size was only 0.02 mm2. The output amplitude pulse yielded 150 mV peak‐to‐peak under a supply voltage of 1.8 V. Simulation results show that the transmitter consumes 8.5 pJ/pulse for 200‐MHz pulse repeating frequency. © 2014 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
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