Generally, the TDA series is more popular in amplifier integrated circuits, but other amplifier integrated circuits are also quite high quality Toshiba production TA8210AH (TA8210AL) has a very low thd ratio of 0.04% with 13v supply and 4 ohm speaker. TA8210 draws 9 amps at full load.
TA8210 Technical specifications
Power supply: 6 – 18 V, typical 14.4 V.
Peak output current: 9 A.
Quiescent current: 120 mA.
Long-term power output
Un = 14.4 V, Rn = 4 Ω, Kr = 10% and F = 1 kHz: 22 W.
Uma = 13.2 V, R = 4 Ohm, Pout = 1 W and F = 1 kHz: 0.04 harmonic coefficient.
Gain voltage Au: 50 dB.
Input impedance: 30 kΩ. Frequency range: 20 – 20000 Hz.
Printed circuit schematics, PCB layout and bill of materials have good design is not too big of a simple but powerful amp circuit
Password: 320volt.com
Published: 2011/06/07 Tags: audio amplifier circuits, ic amplifier
Led Heart Circiut ATmega88
Atmel atmega88 PCB LEDs circuit drawing heart looks great, especially boxing PCAD pcb drawings and diagrams and drawings prepared by the C source code files have a heart-shaped 22 pcs SMD LED flashes with different effects at work lined up
Author of the box lid is opened to operate the circuit embodiment has set