This paper presents the design of a fully integrated ultra-wideband (UWB) pulse generator for the FCC 3.1-10.6 GHz band. This generator is reserved for medium rate applications and achieves unipolar pulses for OOK, PPM or PIM modulations. This UWB transmitter is based on the impulse response filter method which uses an edge combiner in order to excite an integrated bandpass filter. The circuit has been integrated in a ST-Microelectronics CMOS 0.13µm technology with 1.2V supply voltage and the die size is 0.54mm 2 . The pulse generator power consumption is 9pJ per pulse and achieves a peak to peak magnitude of 1.42V. The pulse is FCC compliant and the generator can be used with a rate up to 38Mbs -1 with a OOK modulation. Based on the FCC power spectrum density (PSD) limitation, a sizing method is also presented.
This work presents a high rate IR-UWB transceiver chipset implemented in a 130 nm CMOS technology for WBAN and biomedical applications in the 3.1GHz-4.9GHz band. The transmitter is based on a pulse synthesizer and an analytical upconverted Gaussian pulse is used to predict its settings. Its measured peak to peak output voltage is equal to 0.9Vpp on a 100 load for a central frequency of 4GHz, and a supply voltage of 1.2V, which gives an emitted energy per pulse of 0.64pJ. The receiver is a non-coherent architecture based on a LNA followed by a peak voltage detector. A BER of 10-3 is measured for a 3.1GHz-4.9GHz input peak-to-peak pulse amplitude of 1.1mV which corresponds to a sensitivity of-85.8dBm at 1Mbps and gives a communication range estimated to 1.9m.
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