This is a typical KRC low-pass filter on TI's official website. In order to obtain a higher attenuation gain at the cutoff frequency, this design connects two KRC low-pass filters in series to form a ...
I am in urgent need of a 4- op amp compatible with LM324 , requiring low temperature drift, low power consumption, single power supply, low price (less than 10 yuan / piece), and easy procurement. We ...
1. SPI hardware interface
GPIO54 ------- SPISIMOA
GPIO55 ------- SPISOMIA
GPIO56 ------- SPCLK
GPIO57 ------- SPSTEA
Configure IO functions: As shown in the figure above, if you need to ...
We should know that there is a switching power supply that is realized by PWM wave, but do you know that negative voltage can also be output through PWM wave?Negative voltage generation circuit diagra...
We just exposed Lezhibang's Moye LT sound card not long ago. Recently, Lezhibang's "Moye 5.1" sound card with ethnic characteristics has arrived in Xi'an. "Moye" sound card is one of the three series ...