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This paper describes the implementation of an IR-UWB transmitter using an oscillator, and where the pulse duration is controlled digitally by the oscillator frequency. In this new topology, the consumption is reduced to the leakage current when it is not producing a pulse, ensuring high power efficiency even for low data rates. The proposed circuit is inductorless and implemented in a standard UMC...
We present a new RC relaxation oscillator with pulse self biasing, to reduce power consumption, and with harmonic filtering and resistor feedback, to reduce phase-noise. A circuit prototype in the hundreds of MHz range, designed in a 130 nm CMOS technology has a very low phase-noise, −132.6 dBc/Hz @ 10 MHz offset, and the power consumption is only 1 mW, which leads to a figure of merit (FOM) of −159...
This paper describes the implementation of an RF receiver frontend for the 2.4 GHz ISM band; it comprises an LNA, an IQ oscillator/mixer, and a low-pass filter. The proposed circuit is low cost and power efficient. To be low cost the circuit is inductorless and implemented in a standard nanoscale digital CMOS technology, with a state-of-the-art figure for area. To be power efficient all the circuits...
This paper reviews system level considerations for the design of Ultra Low-Power Radio (ULP radio) transceivers with the capability to operate at short distances (∼1m) with a data rate of 1 Mbit/s and with a very low power consumption (∼1mW); the target application is a Sensor Node (SN). It is shown that under practical constraints an Ultra-Wide-Band impulse radio architecture (UWB-IR) is more power...
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