- #1
brad sue
- 281
- 0
Hi,
I need some help with a push pull design.
As a project , I am doing a audio cross over. The problem I have is that I cannot find a way to drive enough current into the speakers.
For one speaker, the input current is 0.02 [A] and after the push=pull amplifier, I need to be able the supply a 8 ohms / 3 W speaker or a current of 0.61 [A]. I don't know how to find the values for the resistors.
I am using a NPN transistor 2N3904 and a PNP tansistor 2N3906.
please can someone help me ?
Thank you
B.
I need some help with a push pull design.
As a project , I am doing a audio cross over. The problem I have is that I cannot find a way to drive enough current into the speakers.
For one speaker, the input current is 0.02 [A] and after the push=pull amplifier, I need to be able the supply a 8 ohms / 3 W speaker or a current of 0.61 [A]. I don't know how to find the values for the resistors.
I am using a NPN transistor 2N3904 and a PNP tansistor 2N3906.
please can someone help me ?
Thank you
B.
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