A diode bridge can be used to rectify an AC signal

This circuit converts AC voltage to DC voltage. It has a variable output voltage of 0-20 V.

A diode bridge can be used to rectify an AC signal

Transformerless power supplies provide a low-cost

alternative to transformer-based and switcher-based

power supplies.

A diode bridge can be used to rectify an AC signal

A step-down transformer changes the average voltage to step it down from 120 V RMS to a convenient working voltage (still AC).

A diode bridge can be used to rectify the AC signal, but it still has a lot of ripple.

An output capacitor can be used to filter our the ripple. A larger capacitor reduces the ripple more.

A step-down transformer changes the average voltage to step it down from 120 V RMS to a convenient working voltage (still AC).

A diode bridge can be used to rectify the AC signal, but it still has a lot of ripple.

An output capacitor can be used to filter our the ripple. A larger capacitor reduces the ripple more.

A step-down transformer changes the average voltage to step it down from 230 V RMS to a convenient working voltage (still AC).

A diode bridge can be used to rectify the AC signal, but it still has a lot of ripple.

An output capacitor can be used to filter our the ripple. A larger capacitor reduces the ripple more.

This is a circuit design for a typical wall-plug power adapter.