After adding pi, the open loop transfer function is: num=[-10.3*kp (9.3*kp-10.3*ki) 2e6*kp 2e6*ki]; den=[0.264 2.64 0 0] Do I need to draw a graph or do a calculation? I see that some places draw step...
Tantalum Capacitor Introduction
The full name of tantalum capacitor is tantalum electrolytic capacitor (also called tantalum capacitor). It is a type of electrolytic capacitor. It uses metal tantalum ...
Design an amplifier using discrete components, powered by a single power supply. Specifications: Voltage gain>=40db Input resistance>=10k Output resistance<=500 —30db Bandwidth: 20HZ—20kHz Output rang...
I polled several USB fd's POLLOUT events, and the event was generated without intervals, resulting in an infinite loop with no blocking point, and the CPU usage soared. When exactly does the POLLOUT e...
Hey guys, I'm a little confused about the SWD protocol, as follows: The protocol states that the debugger sends a read AP request packet, and the target chip gives an OK response and then immediately ...
There is a pulse coming. A 250ms low level. . The rest of the time it is high level. What I want to achieve is that when this pulse is received, it becomes a high level (and remains high until the pow...
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[Details]
When the domestic discussion about "ZTE being banned" was hot, Alibaba officially announced the acquisition of chip supplier
Zhongtianwei
, but the investment amount was not disclosed. At t...[Details]
Development Background: 1. Main chip - STM32F207VCT6; 2. TCP/IP protocol stack - LWIP, transplanted based on ST routines; 3. Operating system - none (bare metal); Anomalies: 1. Power on the device wi...[Details]
When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[Details]
As many companies listed with
the concept of
touch screen
begin to "transform and upgrade", the official voice of the TP industry is getting smaller and smaller. At the same time, the list o...[Details]
I slightly changed the lyrics of Yu Quan's song "Running", which seems to be
a reflection of the current state of
Huawei Cloud
. At the annual Huawei Analyst Conference held on April 17,
Zh...[Details]
With the implementation of the first version of the NR sub-6GHz draft of 3GPP in December 2017, and the subsequent Phase 2 drafts, semiconductor manufacturers and terminal manufacturers began to ...[Details]
Since China began to try to produce panels independently in 1998, in 2018, China's panel industry has gradually upgraded from a marginal industry to the largest production scale. Especially in the ...[Details]
I rewrote the main part of this program. The program uses the watchdog as a normal timer and scans the digital tubes in the watchdog interrupt. In addition, I added a display buffer. If you want to d...[Details]
At the beginning of the new year of 2018, after the release of the national photovoltaic policy, we found that the state’s support for village-level poverty alleviation power stations has not weake...[Details]
On Sunday, the South Australian government unveiled plans to build the world's largest virtual power plant, which will connect at least 50,000 homes over four years and have a capacity ...[Details]
In recent years, in addition to Huawei Kirin
chips
in the mobile phone industry
, Xiaomi's own processor Pengpai S1, AI
chip
start-ups such as Cambrian, Horizon, and Deephi Technolo...[Details]
Introduction: As a power electronic device, the photovoltaic inverter mainly converts the direct current generated by the photovoltaic module into alternating current. Because there are thousands o...[Details]
The photovoltaic industry has become a new business card for China to the world. It not only represents China's leading technology, but also constantly breaks various records with its development spee...[Details]