Approx 1 volt per second voltage ramp using PNP BJT current mirror circuit - Electronzap
PNP Transistor Tutorial - The Bipolar PNP Transistor
All the PNP center negative layouts I've seen have an voltage inverter through a 1044 or 7660, how does this one work? I seem to be getting some oscillation when the gain
Transistors - SparkFun Learn
Simple & Powerful 2500W Inverter // 4 X PNP Transistor, Make With 2SA1943, Sine Wave Modified - YouTube
transistors - How to invert a digital signal - Electrical Engineering Stack Exchange
Electronics | Free Full-Text | Unidirectional Finite Control Set-Predictive Torque Control of IPMSM Fed by Three-Level NPC Inverter with Simplified Voltage-Vector Lookup Table
Dictionary of Electronic and Engineering Terms, Transistor Amplifier Circuits