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Thank you all for replying. I think the load impedance doesn't matter. As long as the load has high impedance in compare to inductive load(more than 1 Meg), the inductive load will be the primary factor that contribute to the amplifier's gain. In the image attched below, I added a 1 Meg load...
Hi,
I'm reading a book about AM receiver radio. The author designed a 1.5V low power radio, which used a 2-stage common-emitter amplifier to get the gain of 200 (attached image as AM receiver radio.jpg). The author said 1 amplifier has limtied gain, and to get the 200 gain, he needed to use 2...
my bad, the problem comes from the function generator. It can only output square wave. The output sinusoidal signal is very small, like uV.
I guess I can close this thread now.
Thanks
Hi,
I just bought a used BK Precision 2160 oscilloscope. The scope works fine for DC signal, but when it comes to AC signals (square wave, sinusoidal), the scope's screen is flickering (link to video). Can anyone give me insights what is wrong and how can I fix this?
Thanks...
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