cmos current source and sink

how n channel mosfet acts as current sink ?how p channel mosfet acts as current source ?definition of current sink and current sourcesimple current mirror us... It is found that in the logic-1 state, a TTL NAND gate can source (deliver) up to 40 mA of current, as shown in the figure. The sinking operation is illustrated in Fig. 3.14. In the current-sinking process that occurs in the logic-0 state, the output transistor acts as a sink for other gates driven by it. Current Sources and Sinks The Current Mirror An ideal current source/sink has infinite output impedance and, subsequently,

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cmos current source and sink

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