This circuit was found in a 90’s Electronic Design. The circuit uses components that are still common in the market and indicated for use in the car.
This circuit uses the SQ3524, a switching integrated circuit. The circuit was found in the April...
In this circuit the output current is limited by R3. For a 300 mA current, R3 must have 12 Ω. For...
This simple 3-channel passive mixer can be used with low-intensity signal sources but requires...