01
Transistor Small-Signal Models
Linearise around the Q-point — the hybrid-π and FET small-signal models.
Ready11 min read
Start →
Subject
Analog Electronics
Small-signal models through op-amps, feedback, active filters, and oscillators — the working analog engineer's toolkit.
6topicsLearn → Example → Simulate → Quiz
- 02
Common-Emitter & Common-Source Amplifier
The voltage-amp configuration — high gain, inverting, with BJT and FET side-by-side.
Ready13 min readStart → - 03
Common-Collector & Common-Drain Follower
The unity-gain buffer — high input resistance, low output resistance, the impedance-matcher's standard tool.
Ready11 min readStart → - 04
Common Base, Common Gate & Cascode
Current-buffer configurations and the cascode pairing that kills Miller capacitance.
Ready12 min readStart → - 05
Differential Pair
The universal op-amp input stage — differential input splits the tail current; CMRR is the prize.
Ready12 min readStart → - 06
Op-Amp Ideal Model & Configurations
Nine canonical op-amp circuits — from inverting amp to instrumentation amp to comparator.
Ready15 min readStart →
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