ULINK2 cannot connect to the target board of STM32F103C8T6, and it shows JTAG Commnication Failure. I measured RESET, nJRST, TDO, TDI, and TMS signals, which are 3.3 high level and RTCK level low leve...
(1) The maximum operating frequency supported by MSP430F5529 is 25MHZ, which means that there is a limit to the speed you can increase by multiplying the frequency of the phase-locked loop. The highes...
I received the [font=Tahoma][size=2]LMR24220 multi-rail power supply reference board I applied for, full of surprises, the unboxing is as follows[/size][/font] In the upper right corner, unlike foreig...
[Ask if you don't understand] [1] Figure 2 is the peripheral schematic diagram of the MP2315 chip 12V to 5V conversion. Now, PIN6 must be high to enable the chip to work. Looking at the content in the...
The infrared control signal is also a serial communication signalInfrared signal receiving and amplifying circuitA circuit for feeding fish food using an infrared receiving photoelectric tube to contr...
In today's society, heart disease has seriously affected people's life safety. Many patients with sudden heart attacks are threatened because they cannot get timely treatment. Traditional ECG monito...[Details]
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
Designers of hearing aids have stringent requirements. Hearing aids must be small enough to fit in or behind the ear, operate on ultra-low power, and be free of noise or distortion. To meet these requ...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
Currently, it is impossible to dynamically obtain patient information in medical monitoring. Once the patient's condition worsens, emergency treatment cannot be implemented in the first place, and the...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
introduction
Usually, there are many input and output ports in RF systems, and it is expensive to use a multi-port network analyzer to analyze scattering characteristics. Therefore, it is ...[Details]
In order to ensure the reliability of the driving assistance system and the basic functions of the car, and also to leave suitable connection interfaces for the car's future new entertainment and ...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
Introduction
Wireless operators are driving demand for broadband and data rates by offering enhanced data services to increase average revenue per user (ARPU). The need to provide users with ...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
Power Integrations (PI) has introduced three charger/adapter reference designs using its new LinkSwitch-II series of AC-DC switching power conversion ICs. The new LinkSwitch-II devices use high-pre...[Details]
Introduction
High voltage power supply is an indispensable part of nuclear radiation detection instrument, which supplies high voltage to nuclear radiation detection devices (such as prop...[Details]
Application of TWLA500 in ADC and related fields
FAE: On-site technical support.
Provide technical support for the application of the products you sell, and handle quality issues ra...[Details]
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