I want to find a chip with ASK receiving function, operating frequency of 300-900Mhz, operating voltage of 2.5-5V, and bandwidth less than 25khz. Please give me some advice....
[i=s]This post was last edited by nwx8899 on 2015-12-3 20:30[/i] [backcolor=rgb(239, 245, 249)]The information I have found so far mainly talks about the following two solutions for detecting phase cu...
[align=left][color=rgb(51, 51, 51)]For electronic equipment, a certain amount of heat will be generated when working, which will cause the internal temperature of the equipment to rise rapidly. If the...
The output waveform is shown in the figure above, the circuit schematic is as shown below, the op amp power supply is positive and negative 8V
No matter how you adjust the sliding rheostat, the output...
It is similar to a resistor with a switch, and the measured current signal is in the form of a square wave. How can we measure its fixed equivalent resistance, or how can we calculate it by calculatio...
[font=Tahoma, Helvetica, SimSun, sans-serif]The Flash Download Tools software for ESP8266 has been upgraded again. It supports ESP8266, ESP8285 (ESP8266 with built-in flash), and ESP32. [/font] [img=3...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]