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电路设计->控制电路图->其他控制电路图->2N3055三极管功率放大器电路(2N3055PowerAmplifier)

2N3055三极管功率放大器电路(2N3055PowerAmplifier)

发布人:沉默的offer 时间:2018-08-23 收藏

2N3055三极管功率放大器电路 (2N3055 Power Amplifier)

Simple and low cost. The optimal supply voltage is around 50V, but this amp work from 30 to 60V. The maximal input voltage is around 0.8 - 1V. As you can see, in this design the components have a big tolerance, so you can build it almost of the components, which you find at home. The and transistors can be any NPN type power transistor, but do not use Darlington types... The output power is around 60W.

Some comments:
- capacitor C1 regulates the low frequencies (bass), as the capacitance grows, the low frequncies are getting louder.
- capacitor C2 regulates the higher frequencies (treble), as the capacitance grows, the higher frequencies are getting quiter.
- this is a class B amplifier, this means, that a current must flow through the end transistors, even if there is no signal height=529 src="/data/attachment/portal/201007/ET35864201007231510561.jpg" width=640 border=0>


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