This circuit was obtained in an 80s documentation on telephony. The components used are TTL, and the power must be made with 5 V.
This circuit, which can be used as a shield, was found in General Electric documentation from the...
Mouser Electronics is offering the new ultra-low power microcontrollers CC26xx SimpleLink ™ for...
Frequencies up to just over 100 kHz can be obtained with an oscillator based on one of the four...