General Purpose Variable Gain Amplifier1. MissionDesign and manufacture a universal variable gain amplifier, the gain of which can be set manually or program-controlled, without an adjustment potentio...
I have 20+ PIC16F1825 dual in-line chips. Anyone want them? qq421403872 I have 8-bit Fujitsu emulators I have 50+ AT89c52s I have 2 Nuvoton development boards I have...
This is the first time I have seen an inductor added to the collector of a transistor in an amplifier circuit. What is its function? What will happen if it is not added?...
In order to achieve synchronous operation and good speed regulation performance, the brushless DC motor needs a correct rotor position signal to control the on and off of its inverter power device to ...
1. Test conditions Hardware: STM32L432KC Main frequency: 80MHz Compiler: IAR 8.20.1 Compiler options: High Speed no size constraints CRC generator polynomial: 0x782f 2. Test Method The softwar...[Details]
The application of millimeter wave technology in mobile communications also involves a series of technical problems, including the large propagation loss of millimeter waves and the susceptibility ...[Details]
Autonomous driving
and
5G
are the two hot topics that global companies and media are paying the most attention to, and the combination of the two is the focus of everyone's attention....[Details]
With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[Details]
Use the STM32 timer input capture module to control 3-way ultrasonic sensors. The ultrasonic sensor used this time is the common HC-SR04, which is often used in the obstacle avoidance system of smal...[Details]
As shown in the figure, the author soldered a STM32F207VET6 board using a TQFP (32-100PIN) 0.55MM to direct plug adapter board. The board leads out the SWD debug interface (only PA13 and PA14 are occ...[Details]
Note: This STM32 microcontroller is the STM32F103 series. The ADC of Stm32 has DMA function. This is beyond doubt and is what we use most! However, if we want to sample a signal (such as a pulse sign...[Details]
In the 80C51 single-chip microcomputer, the clock frequency is known to be 6MHz. Please program P1.0 and P1.1 to output square waves with periods of 2s and 0.5s respectively. Please give the answer a...[Details]
Single-chip microcomputer experiment design: It is required to use 8951 series single-chip microcomputer, design a pulse generator with a pulse width duty cycle of 50%, 25% adjustable, and a period o...[Details]
//Note: The GCC-AVR version used in this article is WinAVR20100110 Interrupts are not part of the C language, and the implementation of interrupts is implemented by the compiler. Therefore, the writ...[Details]
Arduino programming is easy to learn, but it has to be used with an Arduino control board, which makes it more expensive and bulky. In addition, most circuits other than the microcontroller circu...[Details]
What is an AVR microcontroller? What are the advantages of an AVR microcontroller? Why should you choose an AVR microcontroller? AVR microcontroller is a new type of microcontroller developed by ATME...[Details]
According to the design requirements, the maximum voltage gain ≥ 60dB is achieved within a wide signal bandwidth (0-10MHz), and the ability to continuously adjust the gain or preset the gain in 5dB...[Details]
Recently, the 2017 Review and 2018 Outlook Seminar of the Photovoltaic Industry was held in Beijing. Sungrow, a powerful inverter technology company, was invited to attend the seminar. With 20 year...[Details]