In this project, we have designed a fully-differential operational transconductance amplifier with capacitive feedback network producing a close-loop gain of 0.2. The OTA was designed in the single-stage telescopic topology and simulation with HSPICE and achieved a very fast settling time of less than 5ns and a settling accuracy of at least 0.2%. The OTA has the differential output swing of ±1.8V and a dynamic range greater than 85dB while consuming 7.2mW from a 3V supply for the main amplifier and 1.9mW for the bias network.
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发表于 2008-1-11 22:49:14
