| A solid-state replacement for a relay to switch A.C. loads may be constructed using the TCA 280A zero-voltage switch IC, a triac, and...
| A solid-state replacement for a relay to switch A.C. loads may be constructed using the TCA 280A zero-voltage switch IC, a triac, and...
| The capacity relay consists basically of an oscillator, a detector and a relay driver stage. A length of wire is connected to...
| The frequency meter is suitable for any sinusoidal or pulse input signal. The minimum input voltage amplitude at which the circuit still...