Found in Radio Electronics from the 90s, this circuit has several outputs with different pulse times. The circuit is CMOS and can be powered by voltages from 5 to 15 V.
April 2017 - The kit for STMicroelectronics STM32F7 32-bit microcontrollers is available from...
This traditional unijunction transistor configuration was found in a 1980s documentation. The functions are...
This different configuration for a crystal galena radio or modernized since a diode is used, has a...