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.
This circuit appeared in the November 1995 issue of Electronics Now magazine. The circuit uses...
Found in the December 1995 issue of Electronics Now, this circuit generates sinusoidal signals. The...
This Motorola circuit is from 1965. Collector currents must be 7 and 12 A for transistors....