Using a Motorola MC1684 integrated circuit this 1968 amplifier provides 1 W to a 8 ohm load. The response ranges from 20 to 20 000 Hz and the distortion is only 1% at 1 kHz.
This circuit, in addition to transforming a sinusoidal signal into a square, shifts its phase. The...
Using a CA3059 this circuit was found in the July 1995 Electronics Now magazine. The triac must be...
The sensor of this circuit is a common transistor and the trigger point is set on the trimpot or...