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What is Cascode BJT Amplifier Analysis about?
1. A cascode amplifier circuit uses two transistors (Q1 and Q2) to provide gain at high frequencies. Q1 operates in common-emitter configuration and provides voltage gain, while Q2 operates in common-base configuration and provides isolation to reduce Miller effect capacitance. 2. The miller capacitance across the input of Q1 is doubled compared to a single transistor circuit due to the cascode configuration. 3. Simulations of a common-emitter amplifier show it achieves a voltage gain of 35dB at low fre
- Author
- Asim Khan Niazi
- Language
- EN