Position: Index > Amplifier Circuit >

The amplifier circuit with macroaxis and low current

2015-01-03 02:25  
Declaration:We aim to transmit more information by carrying articles . We will delete it soon, if we are involved in the problems of article content ,copyright or other problems.


The amplifier circuit with macroaxis and low current
Figure A shows the amplifier circuit using a high-output-power and small-distortion complementary transistor. Two diodes can significantly reduce the controlling dead zone. The emitter of two transistors is connected to a strong negative feedback, the dead zone can be further reduced.The circuit shown in Figure b is simpler than the circuit shown in Figure a, and it also uses strong negative feedback to reduce the dead zone.The output stage of circuit shown in Figure c only uses one transistor to form a emitter follower. The transistor current magnification is about 75 times. The op amp maximum current consumption is 20mA to control 1.5A output current.