[i=s]This post was last edited by qwqwqw2088 on 2020-4-10 09:26[/i]The requirements are as follows:
1. If there is an external power supply, use it first, and try not to use battery power.
2. External...
When eating out, waste oil is a problem that is difficult to prevent. It is difficult for us to know whether a restaurant uses waste oil. Using DLP's high-precision spectrum detection, combined with o...
1. The copper foil and green paint are getting thinner and thinner; the quality is not good. 2. The general invoice in the component mall is +15 points, which is higher than the special invoice. 3. Wh...
Hi everyone, I recently encountered a problem when adjusting the communication between 430 and rs485. I adjusted it for a long time but it didn't work. The computer sent data to RXBUF0 of USART0 of 43...
Currently considering Dingyang SDS1104X-E and Puyuan DS1104Z, forum friends who have used them can give me some suggestions. PS: For personal use, limited budget...
[size=4][color=#000000][backcolor=white] Ethernet connection: Local connection only appears in Microsoft Windows XP/7 operating system. In Windows 8/8.1 system, local connection is renamed "Ethernet"....
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
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]
0Introduction
In oil drilling, accurate measurement of wellbore posture is the premise of wellbore trajectory control. To this end, this paper fully combines the advantages of single-chip ...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communication technology since the advent of digital communications. Many new wir...[Details]
Fieldbus is an open, digital, multi-point communication control system local area network, and is one of the most promising technologies in today's automation field. CAN bus is a hot application in fi...[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]
With the continuous development of the national economy, the application of variable frequency speed regulation devices is becoming more and more extensive. How to break the monopoly of foreign produc...[Details]