Active with the output at the high level, this oscillator was found in November 1984 Radio Electronics magazine. The supply can be between 3 and 12 V and the output signal is rectangular.
Based on the LTC3862, this circuit consists of a DC-DC converter capable of operating with input...
We can also use the 4011 on this CMOS circuit that makes use of a crystal headset. The power...
Found in 90s Radio Electronics, this small transmitter has a good range. L1 is formed by 3 + 3...