Mixers are often implemented using a diode bridge or a Gilbert cell. Both types of mixers use a local oscillator (LO) to flip the polarity of the RF input. When the LO is positive, the RF input does n...
The New Yorker: In the race to accelerate artificial intelligence, Silicon Valley company Cerebras has adopted an unusual strategy: go big.https://cacm.acm.org/news/254949-the-worlds-largest-computer-...
[i=s]This post was last edited by donatello1996 on 2019-1-27 23:18[/i] [size=5] The original plan required two LoRa modules for wireless serial port data transmission. The general block diagram is as ...
This article introduces a 35GHz microwave solid-state source with 8mm waveband, which has the characteristics of . The CJ295 microwave rangefinder is a phase-type precision electronic instrument that ...
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]
Abstract Aiming at the harm caused by mobile phone microwave radiation to human body and the incompatibility between mobile communication network and fixed-line network, a PSTN voice gateway using ...[Details]
New processors in laptops place higher demands on power supplies: higher current, faster response to load steps, and faster adjustment of output voltage after the voltage identification (VID) code ...[Details]
White LED energy-saving lamps are now widely used in handheld devices (such as mobile phones) as backlights for color LCD screens and keyboard lights. Colored LED energy-saving lamps are good indic...[Details]
The switched reluctance power generation system consists of a doubly salient reluctance motor, a bidirectional power converter, a rotor position detector (or indirect position detector) and a contr...[Details]
① Single chip computer encryption method
The protection of scientific research results is the most concerned thing for every researcher, the purpose is not to let their hard work go to waste....[Details]
A
simple voltage boost circuit for
an LED
flashlight.
After the power supply
is turned on
, VT1 is connected to the negative pole by R1, and the voltage across c1 cannot c...[Details]
With
the development of
LED
technology, the application of LED has been extended from traditional low-
power
portable product backlight to medium- and high-power indoor lighting, out...[Details]
I don't make power supplies for street lamps, because I personally think that there is no point in making power supplies for street lamps. At least for those of us who make power supplies, it is me...[Details]
In some areas where power outages are common, electrical appliances are not turned off after a power outage. Once power is restored, they will automatically power on and work. This can result in wa...[Details]
Analog electronics
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