Double cascode amplifier — Free Electronics Illustration

Electronics

Double cascode amplifier

Clean black circuit schematic of a double-cascode MOSFET amplifier shown as a single compact vertical branch with three vertically stacked standard MOS transistor symbols. The bottom transistor, labeled Q1, is the amplifying device; above it are two cascode transistors labeled Q2 and Q3. The stack is connected by straight black lines from a lower input side up to a top supply node labeled VDD. Separate gate or bias connections labeled VG2 and VG3 feed the middle and top transistors. The overall appearance is a layered, vertically aligned transistor stack in standard circuit-diagram style.

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