Digital pi, pre-amplifier circuit diagram

[liudengyuan]

I plan to use high-accuracy adc to collect and process signals, then I need an excellent preamplifier circuit, including TX, coil, how to achieve fast coil, reasonable drive circuit, how to reasonably differential amplifier, how to distribute power, who Willing to design a schematic? Only differential adc and single chip are connected later,

[liudengyuan]

There is another problem. In order to control the volume of PCB. In the ordinary pi detector, due to the fluctuation of the power supply caused by TX, an electrolytic capacitor of 10000uf has to be added, which greatly increases the size and volume of the PCB. Appropriate housings cause trouble, so are we able to save a large capacitor, or use a small capacitor to achieve the goal?

[6666]

an electrolytic capacitor of 10000uf has to be added, which greatly increases the size and volume of the PCB

It does not have to mounted directly on pcb

[liudengyuan]

Don't play these analog circuits anymore, it can't make an excellent machine. A single-chip microcomputer plus high-speed ADC is simple and effective, which can save a lot of cumbersome circuits