We found this circuit in a Texas Instruments documentation from the 80s. The circuit uses simple power source and the frequency depends on C1 and R1 basically.
This circuit is intended for carrying out experiments with solar cells. The circuit is from a 1991...
Found in a 1964 Electronic Design this circuit compares two signals by providing the inverse of the...
June 2017 - ECM032 series of SMD quartz from ECS crystals can now be obtained from Mouser...