This electronic Morse Key for telegraph message transmission was found in an American 1980s amateur radio documentation. The circuit uses TTL technology and must be powered by a 5V voltage.
This circuit makes na incandescent lamp flash fast producing the stroboscopic effect. The speed is...
This Siliconix circuit was found in a 1980s documentation. The coil consists of 18 turns of 22...
June 2017 - ECM032 series of SMD quartz from ECS crystals can now be obtained from Mouser...