1-tube Receiver (T1306E)

This battery-powered 1-tube radio was found at Radio Craft in August 1948. The circuit has a loudspeaker output and tunes to the mid-wave band.

12V Flasher (CB5201E)
This circuit used in signaling for boats, cars or barriers was found in a 1980s documentation. It still...
TPS62135 TPS621351 Step Down Converters (COM163E)
November 2016 - Texas Instruments' new TPS62135 and TPS621351 step-down converters with a wide...
5V Voltage Reducer (CB5000E)
This circuit was found in the Spanish magazine No longer in existence, Mundo Electrónico, in a...