I am using MC145152+mc1648+mc12022 to make an FM circuit. Why does the output frequency of 1648 change after adding the audio signal between the varactor diodes?...
1. TTL The main type of TTL integrated circuit is transistor-transistor logic gate, and most TTL uses 5V power supply. 1. Output high level Uoh and output low level Uol Uoh ≥ 2.4V, Uol ≤ 0.4V 2. Input...
I'm looking for someone who can do the 2014 Beijing Electricity Design Questions~~ I'm a novice this year~~ Any suggestions or recommendations on what to learn~~ Please~...
I followed the textbook step by step, but the last simulation in the book can produce a normal waveform, but mine can't. The output is 0, and the empty item is always high. I think the data is not inp...
[font=宋体][size=4]The teacher gave me this paper and I have no idea how to do it. Now I have drawn the circuit diagram. Is there any master who can teach me how to do simulation using microcontroller l...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[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]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
Microcontrollers are something that many people want to learn about and are concerned about. In most websites, the hardware requirements are generally as follows:
1. You need a computer, prefer...[Details]
New Automobile
Hydraulic Clutch
The hydraulic control system uses almost 100% advanced engineering plastics, which overcomes the shortcomings of the main and branch cylinders of metal clutc...[Details]
I. Introduction
The use of electronics in cars dates back to the early 20th century when electric starters replaced hand cranks. Automotive electronics became popular in the 1960s with the...[Details]
An intelligent vehicle is a robot that can automatically drive in an environment according to a pre-set mode, or it can autonomously perform specific operations according to the on-site situation. ...[Details]
PID is proportional differential adjustment. You can refer to the detailed introduction in the automatic control course for details! The positive action and the negative action in temperature contr...[Details]
Introduction
Zero-IF receivers are not new; they have been in use for some time, with cellular handsets being a key application area. However, their use in high-performance receivers such as...[Details]
During the operation of electronic equipment,
memory
failure or failure will not only lead to economic losses, but also may lead to catastrophic consequences. Therefore, memory testing has ...[Details]
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