Title :
Current mode deglitcher for current-steering DACs
Author :
Pirkkalaniemi, J. ; Waltari, M. ; Kosunen, M. ; Sumanen, L. ; Halonen, K.
Author_Institution :
Helsinki University of Technology
Abstract :
A current mode track-and-hold circuit designed for deglitching a 14-bit current steering DAC is presented. The deglitcher is based on a developed highly linear current memory. The prototype circuit is designed using a 0.35-µm BiCMOS (SiGe) technology. According to measurements, a -66.8-dBc THD is achieved with a 9.1-MHz input signal and 30-MHz clock frequency. Two-tone test gives intermodulation levels below 68 dBFS at 40-MS/s sampling rate. The power dissipation is 360 mW from a 3-V power supply.
Keywords :
BiCMOS integrated circuits; Circuit testing; Clocks; Frequency measurement; Germanium silicon alloys; Power dissipation; Power supplies; Prototypes; Sampling methods; Silicon germanium;
Conference_Titel :
Solid-State Circuits Conference, 2002. ESSCIRC 2002. Proceedings of the 28th European
Conference_Location :
Florence, Italy
