Zoomlion F9500 servo power supply
Source: InternetPublisher:睡不醒的小壮 Keywords: Power supply PLUSMN NE5532 operational amplifier Updated: 2021/04/09
It is the power supply for the preamplifier circuit of Zoomlion F9500 power amplifier circuit. The power supply uses
LM7824 and LM7924 to form a ±42V servo regulated power supply , and uses the king of op amps NE5532 as the servo
circuit. Here, the method of connecting a voltage regulator tube in series between the non-inverting terminal of the op amp NE5532
and the ground is used to increase
the output voltage. This connection method is also called the floating ground connection method. Use this method to increase the fixed output voltage from ±24V to
±42Vo
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