资讯

EE World Online11 天
Design a circuit for ultra-low power sensor applications
An ultra-low power sensor operates using energy harvesting from various sources for efficient monitoring. The oscillator ...
Hackaday5 年
Just How Simple Can A Transceiver Be?
It’s a 40 meter (7 MHz) QRP or low power transceiver in which the transmitter is a simple crystal oscillator ... single transistor — a J310 FET — between the two halves of the circuit.