Amplifier circuit pcb printed circuit quite stylish become a regular settlement there the supply voltage at high + – 33 volts symmetrical 4-ohm speakers with a 70w power can give 70w power with a 1kHz signal THD rate of 0.057% (THD Total harmonic distortion-Total harmonic distortion) only on departure coil located 1mm wire 13 to be wound spr … 50mA quiescent current adjustable from 40 to 2.5k potentiometer
Technical parameters amplifier:
Supply voltage: max. +/- 33V
Output power: max. 70W/4R
Frequency characteristic: 10 – 98,000Hz/-3dB
Harmonic distortion: 0.066% at 70W/1kHz; 0.057% at 70W/10kHz
Intermodule distortion: 0.24% at 65W/ 80+7kHz
Input sensitivity: approx. 0.45V
Current protection: 2×3.15A fast fuses
SR current rate: 12V/us
min. load impedance: 4R
PCB dimensions: 72×56mm
Password: 320volt.com
Published: 2011/05/11 Tags: audio amplifier circuits, transistor amplifier
Laboratory Adjustable 0-24v Digital Power Supply Circuit ATMega8
Power supply circuit two separate sections consisted primarily power solid LM317 based on the current settings for the tl082 opamp used current voltage display section Atmel ATmega8 microcontroller used optionally this section may not be used completely independently of various circuits to try, simple to run a power supply