http://shop60008893.taobao.com. This store. My classmate said it was good when he bought something there last time. I think the store's reputation is not very high. What do you think? But the shopkeep...
Today I made an amplifier, AD811+BUF634, but after the signal input, I found that the output was a very standard sinusoidal signal, and the frequency was inconsistent with the frequency of the signal ...
The front-end amplifier uses AD8370 VGA to output differential signals, which need to be split into 4 channels and sent to 2 AD9250s for sampling. The early design used a mini-circuit 4-channel power ...