MartinFowler

Discrete amplifier mos output version 1969

Overview

Printed shell, rca output
measured 24v power input, almost rail-to-rail output without distortion,
input 0dB standard level volume, no audible distortion,
the noise floor is very well controlled, even if you are close to the speaker, you can't hear it.

After attaching the board, first adjust the 20k Use the potentiometer to make the level at L12V/R12V equal to half of the input voltage, and then adjust the 500 ohm potentiometer so that the quiescent current is about 0.1-0.2a (multimeter milliohm range, measure the 0.3 ohm resistor of the output stage that is grounded voltage is enough), if the heat dissipation conditions are good, you can increase it appropriately.

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-06-25 05:15:42

20130401 Happy Holidays
April Fool's Day is also called April Fool's Day. It is a traditional folk festival in the West and the United States. It is held on April 1st every year. April Fool's Day has been around for hundreds
Pointers and addresses?
To access the external extended data memory 81000H-82FFFH, a pointer variable is defined to point to 81000H, but this variable is stored at both 80000H and 82000H. The question is how can a variable b
Questions about simulation in Quartus
It's like this. I wrote a small Verilog program, compiled it successfully, and then after creating the bdf file, I compiled it again, but an error occurred. The error is: Error: Can't compile duplicat
Problems in DC motor control circuit
I have a question for you experts about the circuit diagram. Can a 12V car battery generate 30A of current on the IRF3205 MOS tube? The driver IC I chose is mc33883. In other words, can I directly con
[Nucleo experience] +OLED display heart rate
This time I took some time to continue the last experiment ([url=https://bbs.eeworld.com.cn/thread-448913-1-2.html]【Nucleo Experience】+Pulse Heart Rate Monitoring Experiment[/url]) I have a 0.96-inch
DSP naming conventions such as TMS320C6416GLZ
Where can I find the naming conventions for DSPs, such as TMS320C6416GLZ and TMS320C6416TCLZ?

Datasheet More

Circuits More