Хороший компромисс для любителей искажалок на ОУ, но без недостатков интегральной технологии.
Как и все схемы от Джо Дэвиссона - отточенный, минималистский, профессиональный инженерный дизайн.
Если кто не поленится смакетировать\отсимить, то, плиз, результаты и впечатления мне в личку; буду благодарен и опубликую. ИМХО стоит попробовать.
Полное описание здесь:
http://www.diystompboxes.com/smfforum/index.php?board=16.0
Op-Amp w/Diode
This is not a real op-amp. It's intended for making discrete versions of IC distortion units. Note: If the positive input is grounded, as in an inverting amplifier, the circuit needs a 1uF or greater cap across the lower 10k resistor. Otherwise it should be left out.
The output is class-A and won't drive heavy loads. This circuit was designed because the diode trick has to be done within the op-amp itself, therefore it was made as simple as possible. Use it in the distortion sections of your favorite overdrive/distortion unit.
Get out the breadboard and adjust the 6.8k resistor until the output collector is near 4.5 volts.
Copyright © 2006 Joe Davisson. All Rights Reserved.
