![The simple oscillator circuit shown below produces an output frequency based on the value of the capacitance under test The simple oscillator circuit shown below produces an output frequency based on the value of the capacitance under test](https://michaelgellis.tripod.com/68hc11/Image224.gif)
The simple oscillator circuit shown below produces an output frequency based on the value of the capacitance under test
![transistors - Measuring capacitance by measuring rising time - Electrical Engineering Stack Exchange transistors - Measuring capacitance by measuring rising time - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/EnGcw.png)
transistors - Measuring capacitance by measuring rising time - Electrical Engineering Stack Exchange
![Figure 3 from A low-power capacitance measurement circuit with high resolution and high degree of linearity | Semantic Scholar Figure 3 from A low-power capacitance measurement circuit with high resolution and high degree of linearity | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/82db59961cdd47d447bc001cefc8dcbfd388724e/3-Figure3-1.png)
Figure 3 from A low-power capacitance measurement circuit with high resolution and high degree of linearity | Semantic Scholar
![Figure 1 from A low-power capacitance measurement circuit with high resolution and high degree of linearity | Semantic Scholar Figure 1 from A low-power capacitance measurement circuit with high resolution and high degree of linearity | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/82db59961cdd47d447bc001cefc8dcbfd388724e/2-Figure1-1.png)