Using CMOS Schmitt trigger inverters in quartz crystal oscillator circuit - Electrical Engineering Stack Exchange
Simple Oscillator Circuits
Circuit explanation of DC/AC inverter (2)
Electronics | Free Full-Text | A 1.8 V 18.13 MHz Inverter-Based On-Chip RC Oscillator with Flicker Noise Suppression Using Logic Transition Voltage Feedback
Crystal oscillator with inverter gate, crystal engraved with "1 MHz" outputs 1.68 MHz - Electrical Engineering Stack Exchange
Electronics | Free Full-Text | A 1.8 V 18.13 MHz Inverter-Based On-Chip RC Oscillator with Flicker Noise Suppression Using Logic Transition Voltage Feedback
Activity: CMOS Inverter Ring Oscillator [Analog Devices Wiki]