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In this paper, we present a low power and configurable pulse generator with on-off keying (OOK) modulator feature for non-coherent impulse radio (IR) receiver synchronization and intermittent receiver operation. The pulse generator has adjustable pulse width and pulse delay properties. The configurability is achieved using on-chip bias cells with external inputs. The pulse width can be configured...
This paper presents a high-bandwidth 2 GHz CMOS variable gain amplifier (VGA) for using in the band of square kilometer array (SKA) range that achieves an 18 dB dynamic range (DR) while powered from a single 1.8 V supply. This VGA capability is obtained by employing a passive digital T-bridge attenuator followed by a fixed amplifier, the use of attenuator in the front end of the VGA results in a high...
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