When working with RF, we pay special attention to the Q value when selecting inductors and capacitors. So what is the Q value? What does the Q value mean and why is it important?
Quality factor Q: A q...
The easiest way to evaluate the timer function of a development board is to evaluate its breathing light function. The breathing light is realized by PWM wave, and PWM is generated by the timer. Open ...
ZigBee is a low-speed, short-distance wireless network protocol. Its underlying layer is the media access layer and physical layer that adopt the IEEE 802.15.4 standard. Its main features are low spee...
I saw two X capacitors on a power supply, one with two 1M resistors in series, and the other with VR selected. I would like to ask what the difference is...
The phenomenon encountered is that after powering on, ADN8834 works normally at first, and then after powering on again, it is found that the supply current increases and the voltage is pulled down. A...
The MSP430 Launchpad, is an easy-to-use Flash programmer tool with 14/20-pin and DIP socket target boards with integrated emulation capabilities.For more details, please refer to EE's previous activit...
On August 26, GlobalFoundries filed multiple lawsuits in the United States and Germany, accusing TSMC of infringing its 16 patents. It is understood that the lawsuits have been submitted to the U.S. ...[Details]
On August 8, Samsung Galaxy Note 10 series was officially released. Compared with Galaxy Note 9, one of the important upgrades of Galaxy Note 10 series is fast charging. It is understood that the Gal...[Details]
1. Working principle of permanent magnet synchronous motor
Permanent magnet synchronous motors achieve power transmission through the magnetic force between the magnetic field generated by the...[Details]
Understanding soil nutrients and their changing patterns is of great significance for improving soil fertilizer efficiency and fertilization effects. The soil nutrient tester is an important measuri...[Details]
According to foreign media reports, Italian electronics supplier MTA has launched an ergonomic, high-performance curved dashboard to meet the needs of current automakers. (Image source: www.eenews...[Details]
As shown in the figure, this is a narrowband filter
circuit
with adjustable Q value and frequency.
This
circuit
is an active narrowband filter with adjustable Q value and frequency....[Details]
In many industrial applications, it is necessary to detect a small differential voltage under high common-mode voltage conditions to monitor the current. However, under high common-mode voltage con...[Details]
In mode 0 and mode 2, the serial port baud rate is fixed, mode 0 is Fosc/12, mode 2 is Fosc/32 or Fosc/64, which is determined by the SMOD bit of the PCON register. In mode 1 and mode 3, the baud rat...[Details]
Before relocation, the flash needs to be initialized. The flash initialization is divided into norflash and nandflash. norflash does not need to be initialized, so no operation is required.
...[Details]
Gas-LED (GLED) has the following technical effects:
1. Appearance of incandescent lamp
It is obvious that the shape of the seamless arc discharge ball excited by the GLED's e-precessi...[Details]
Recently, a new type of flow battery was announced that is non-consumable, non-flammable, non-explosive, and has high energy density at a very low cost. This new type of flow battery was deve...[Details]
1. Cortex-M3 exception types Cortex-M3 supports 256 interrupts (or exceptions), including 16-4-1=11 system exceptions (numbered 1-15), and up to 240 external interrupts (numbered greater than 16) - I...[Details]
Beijing Soying Electric Technology Co., Ltd. and Zhongguancun Energy Storage Industry Technology Alliance announced that they have reached in-depth cooperation on the "Energy Storage International ...[Details]
CAN (Controller Area Network) bus is a communication protocol used in the automotive and industrial automation fields, with high reliability, real-time and flexibility. The transmission rate of CAN...[Details]
Analogue and Mixed Signal
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