Four op amp circuit, 14-pin dual in-line package filter circuit is as follows: The active bandpass filter circuit is as follows: Many spectrum analyzers of audio devices use this circuit as a bandpass
The board is very well made, the original price is 330, the screen is 50, and the emulator is 200. For details, please see the original Taobao [url=http://item.taobao.com/item.htm?spm=a230r.1.10.39.4l
[color=#000000]It has been five years since I registered eeworld in 2008. During this time, I downloaded a lot of things from the forum. However, due to personal reasons, I learned very little knowled
After TOP Switch-Ⅱ, Power Integrations launched TOP412/414 three-terminal DC/DC PWM switch in April 1999. TOP412/414 adopts SMD-8 (G08A) package, of which pin 4 is control pin, pin 5 is MOSFET drain p
I've been addicted to fishing recently. My skills aren't that great, but I'm addicted. I bought a new lure set for over 300 RMB. I'm going to show you my catch tonight! Haha, fishing requires patience
[align=left][color=rgb(25, 25, 25)][font="]Corresponding to MCU, ROMan">WiFi or USB HUB generally requires an external clock signal, and an external crystal oscillator is required. Customers often ask