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[[Image:http://img85.imageshack.us/img85/866/cdbablock3el.gif]]
CDBA, current differencing buffered amplifier, is a multi-terminal active component with two inputs and two outputs and developed by Cevdet Acar and Serdar Özoğuz. It is derived from current feedback amplifier (CFA).▼
▲CDBA, current differencing buffered amplifier, is a multi-terminal active component with two inputs and two outputs and developed by Cevdet Acar and Serdar Özoğuz. Its block diagram can been seen from figure. It is derived from current feedback amplifier (CFA).
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Several voltage and current mode continuous-time filters, oscillators, analog multipliers, inductance simulators and a PID controller have been developed using this active element.
The CDBA is simplifying the implementation, free from parasitic capacitances, able to operate in the frequency range of more than hundreds of MHz (even GHz!), and suitable for current mode operation while, it also provides a voltage output.
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