I want to design a small wireless receiver and transmitter, with a main frequency of about 315M and a required distance of more than 200 meters, but I don't know how to design it. Can you please give ...
The schematic diagram of the core version has been preliminarily completed and submitted to github. You can take a look and discuss it. [url=https://github.com/micropython-Chinese-Community/pyboardCN/...
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[i=s]This post was last edited by paulhyde on 2014-9-15 03:26[/i]I am doing audio amplification and found a solution online. It has a part about preventing self-excitation. I don't quite understand it...
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[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]
Abstract:
An amplifier solution for ceramic speaker systems is presented.
Keywords:
audio; ceramic speaker; amplifier; Class G
Today's portable devices require smaller, thinne...[Details]
Abstract:
QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]
Abstract: CC2420 is a 2.4GHz RF chip introduced by Chipcon that complies with the IEEE 802.15.4 specification. It is used to develop ZigBee devices and products for PAN networks such as industrial ...[Details]
1. Introduction
The current information age is an era built on the basis of the network. IP networks based on TCP/IP protocols, such as Internet, Intranet and Extranet, are developing with...[Details]
With the development of the electronics and data industries and the promotion of distributed power supply systems in recent years, the application of DC-DC converters has become more and more wides...[Details]
From the perspective of current embedded consumer electronic products, media processing is gradually integrated with wireless communication and 3D games. Its powerful functions have brought about a...[Details]
Preface
Today, automotive electronic devices account for a large proportion of the entire vehicle. Although these electronic modules bring comfort and safety to car users, at the same time...[Details]
1 Introduction
Introducing the power factor correction (PFC) technology in the switching power supply can, on the one hand, make the power input current and input voltage waveform in phase...[Details]
1 Introduction
In recent years, more and more substations of 35kV and above have been unmanned, and low-voltage electricity consumption in the station is the basis for ensuring the ope...[Details]
The general decision logic for purchasing goods is: whether it can be used, how easy it is to use, whether it is durable, and the price. In fact, this logic can also be applied to the selection pro...[Details]
0 Introduction
As people's demand for consumer electronic products (such as PDA, MP4, HDTV, etc.) continues to increase, especially the demand for high-quality and high-definition multimed...[Details]
DSP and ARM Processors
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