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AC-DC
Mains Module
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A complete kit of parts to build an AC to to dual-regulated DC power module. The transformer has dual primary windings making it suitable for use in countries with 115VAC or 230VAC supplies. The regulator circuit is built around 2 x LM723 and is based on our PSU-2 design and offers a high-quality regulated supply with output ratings from 300mA to over 700mA making it ideal for the small through to medium-sized systems The unit can be configured for standard +/-9V, +/-12V or +/-15V DC rails for by careful selection of components for any other dual-rail requirement desired. |
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WARNING !
Readers should be aware that constructing this module circuit involves
working with mains power components.
Readers are advised that they should not attempt this module unless
they are fully aware of the various safety requirements
relating to this type of circuitry as required by their countries
regulatory bodies.
There are several good ready-made designs that the reader should
consider if there is any doubt or concern regarding
the building and use of this module.