P1 on this Radio Shack circuit is a 6 V lamp with current up to 500 mA depending on Q2. The frequency is given by C1 which can have a modern standard value such as 3.3 uF or even 4.7 uF.
We give in the figure a different application of 4013, which can also be used as monostable. In common...
This circuit functions as a variable capacitor controlled by a potentiometer, multiplying the...
July 2017 - The Texas Instruments TAS5782M Closed Feedback- Class D Amplfier Evaluation Module can now...