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Adjustable Symmetrical Power Supply ± 1.25 until ±30V 1A – Circuit Schematic
Adjustable Symmetrical Power Supply ± 1.25 until ±30V 1A
This is the voltage converter to get the voltage of ±1,25-30V from the input voltage of ±35V. I am using the 3 terminal voltage regulator for the voltage to b...
Power Supply for Amlifiers [B] – Circuit Schematic
Power Supply for Amlifiers [B]
Proposed power supply for amplifier 100W v-mosfet [ 1 ] is what appears in the above form. It has separated supply for the various stages of supply, stage for p...
Power Supply 0-30V / 0-2A – Circuit Schematic
Power Supply 0-30V / 0-2A
The basic requirements than one laboratory power supply, it is to provide voltages and currents of operation that need the usual units, to have low output resis...
Power supply +20V/15A and +12V/3A – Circuit Schematic
Power supply +20V/15A and +12V/3A
The circuit is based on application of National Semiconductor. First is constituted by three voltage regulators LM338 [IC1-2-3] connected ``in parallel` `. The ...
Power Supply For Amplifiers – Circuit Schematic
Power Supply For Amplifiers
For the 60W amplifier, a nominal (full load) supply of +/- 35V is required, so a 25-0-25 secondary is ideal - however, see Updates, below. The circuit for the ...
Power Supply for Preamplifiers (Revision A) – Circuit Schematic
Power Supply for Preamplifiers (Revision A)
The original version of P05 has been around for a very long time now (around 4 years), and there are some worthwhile reasons for the updates. Although the perfo...
High Current 13.8V Power Supply – Circuit Schematic
High Current 13.8V Power Supply
As is commonly the case, this supply was born of necessity. There is absolutely nothing special about the circuit, except that as shown, it is quite capable of ...
Switchmode Power Supply For Car Audio – Circuit Schematic
Switchmode Power Supply For Car Audio
This contributed project is a result of considerable collaboration between Sergio and myself, and should not be seen as necessarily a complete project in itself...
Switchmode PSU Protection Circuit – Circuit Schematic
Switchmode PSU Protection Circuit
The circuit is designed to provide protection to a DIY switching power supply for car amplifiers by shutting down under any or all of the three modes of protect...
Basic multiplier circuits – Circuit Schematic
Basic multiplier circuits
The Greinacher doubler circuit (a) transforms a grounded AC voltage (peak voltage Up) into symmetrical DC voltages of 1x Up each, thus producing 2x Up between o...
Build A 10 Amp 13.8 Volt Power Supply – Circuit Schematic
Build A 10 Amp 13.8 Volt Power Supply
Sometimes amateurs like to home-brew their power supplies instead of purchasing one off the shelf at any of the major ham radio retail dealers. The advantage to...
A Simple Capacitance Multiplier Power Supply For Class-A Amplifiers – Circuit Schematic
A Simple Capacitance Multiplier Power Supply For Class-A Amplifiers
Since I have provided the schematic for John L Linsley-Hood`s Class-A amplifier, I felt that some readers may wish to experiment with the concept. Unfortunately...
13.8 V / 15 A from a PC Power Supply – Circuit Schematic
13.8 V / 15 A from a PC Power Supply
The major disadvantages of usual linear power supplies are high power dissipation, the size and the appropriated weight. When looking for an alternative solutio...
Linear Regulated Dual Polarity Power Supply – Circuit Schematic
Linear Regulated Dual Polarity Power Supply
This document describes how to construct a dual polarity linear power supply which can be configured for any positive or negative voltage between 1.2-35V. A po...
Power Supply for Preamplifiers – Circuit Schematic
Power Supply for Preamplifiers
Preamps may in some cases use a simple regulator, with the supplies taken from the main amp power supply. This can be a problem if the main amp is of very high ...
Low Voltage Supplies - Solid State - Tubes – Circuit Schematic
Low Voltage Supplies - Solid State - Tubes
Such supplies are often realised with dedicated integrated circuits nowadays but it`s still interesting to give a look at old designs to understand the basics....
Simple DC Adapter Power Supply – Circuit Schematic
Simple DC Adapter Power Supply
You need a power supply for a project, but only have a DC adapter available, so you can`t use my AC power adapter trick (Project 05). This little project came ...
Variable Power Supply – Circuit Schematic
Variable Power Supply
Using the versatile L200 voltage regulator, this power supply has independent voltage and current limits. The mains transformer has a 12volt, 2 amp rated second...
Voedingen - Power Supplies – Circuit Schematic
Voedingen - Power Supplies
No Description available....
Variable Dual Lab Power Supply – Circuit Schematic
Variable Dual Lab Power Supply
The power supply is based on the LM317 and LM337 variable 3-terminal regulators ICs, and while it is no powerhouse, it is quite satisfactory for testing most po...