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:: Home » Amplifiers » Preamplifiers » Page 3

Preamplifiers

7 tone control circuit diagram with PCB layout

Last Updated on: July 14, 2022 by Apichet Garaipoom
Tone control Stereo Preamplifier circuit with PCB

Learn! 8 Tone control circuit, Stereo Preamplifier using normal transistors. To control bass and treble effects audio low noise. easy to builds with PCB. Read more

Categories Preamplifiers, Amplifiers Tags Low noise circuit, Tone control 28 Comments

Linear opto isolator circuit

Last Updated on: July 11, 2021 by Apichet Garaipoom
Linear opto isolator circuit

This is the linear opto isolator circuits that use a few parts and cheap. In circuit we use the opto compiler ICs number of MOC 5010 as based. [….] Read more

Categories Preamplifiers, Amplifiers Tags Optocoupler circuit Leave a comment

4 types of Preamplifier circuits using Transistors

Last Updated on: July 15, 2022 by Apichet Garaipoom
4 types of Preamplifier circuits using Transistors

This is Simple preamplifier circuit using transistors,low noise and easy to builds we have many circuit below, simple to difference projects […] Read more

Categories Preamplifiers, Amplifiers Tags BC547, BC109 22 Comments

Universal Preamplifiers using – NE5532 – LM382 – 741

Last Updated on: April 17, 2022 by Apichet Garaipoom
Simple preamplifier NE5532

You have a good power amplifier and speaker. You are listening to music. But the sound is very light. The problem has many reasons. One reason for the problem is the input signal is too low. You may need a preamplifier using IC. It will make the input signal is higher. Then, You will listen … Read more

Categories Preamplifiers, Amplifiers Tags IC-741 9 Comments

Simple Electronic Stethoscope circuit

Last Updated on: December 21, 2020 by Apichet Garaipoom
Simple Electronic Stethoscope circuit

This is Electronic Stethoscope circuits. Usually the stethoscope is a medical device that listens to the heartbeat. Which we can make it with the least amount of electronic equipment so easy to make. Read more

Categories Preamplifiers, Amplifiers Tags Headphone Amplifiers 1 Comment
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Categories

  • Amplifiers (94)
    • Preamplifiers (20)
  • Power supply (86)
    • Variable Supply (20)
    • Switching Mode (15)
  • Inverters (14)
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  • DC converters (18)
  • Digitals & Microcontrollers (35)
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    • Motor Controller (7)
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