Short Circuits : CD4049

The CD4049 is HEX Inverting buffer which you can use independently.

Clock Pulse generator

This circuit use to generate clock pulse which calculate the pulse rate follow in the pictire.Note that the pulse rate not depend on VDD.

Phase shift oscillator

Linear 10x Amplifier

The above circuit is a simple 10x linear amplifier which the gain determined by R2/R1.