[i=s]This post was last edited by btty038 on 2019-10-28 16:27[/i]RF signal【AMP IN】Dielectric filtering + first stage amplificationDirect second stage amplificationDirect third stage amplificationMatch...
"Methods and Techniques for Learning Circuit Diagrams (2nd Edition)" has 9 chapters. The content includes: overview, structural principles and characteristics of components, circuit diagram examples, ...
[Abstract] Great Wolf, a well-known American hotel operator, recently deployed an RFID reading system in a hotel, allowing indoor water park visitors to use smart RFID straps as tickets and purchase i...
[size=4][color=#000000] Keywords such as if, do, while, switch, for, else, case, default, etc. must be followed by curly braces {}, even if there is only one statement behind them. Because when I was ...
Aijiwei reported on March 17 that at 10 o'clock tonight, Samsung officially released a new product in the Samsung Galaxy A series: Galaxy A53 5G. The Samsung Galaxy A53 5G is equipped with a 6.5-in...[Details]
1 Internal bias Nanovoltmeters and nanovolt preamplifiers rarely indicate a zero reading when no voltage is applied to the input terminals. This is because there is an inevitable voltage offset at th...[Details]
With the rapid development of white light LED technology and the rapid decline in costs, LED lamps have quickly shifted from auxiliary lighting for lighting projects to indoor commercial lighting...[Details]
We all know that wireless energy seems to be a novel concept that sounds great, but it is hard to imagine it being commercialized anytime soon.
What is wireless charging?
Wireless cha...[Details]
Integrated compact fluorescent lamp (CFL) ballasts do not usually require power factor correction (PFC)
due to
their low
power
levels. However, as the market demand for this
energy...[Details]
The design of electromagnetic interference mentioned in this article is mainly carried out from the hardware and software aspects. The following is an introduction to the treatment of electromagnetic ...[Details]
TETRA is one of the most advanced PMR cellular communication systems and has been successfully deployed worldwide. As TETRA networks grow, it is sometimes difficult for network managers to ensure th...[Details]
This circuit is a high performance charger for gel-dielectric lead-acid batteries. The charger can quickly charge the battery and quickly disconnect the charge when the battery is full. The initi...[Details]
1. Why should we discuss the electromagnetic interference suppression performance of operational amplifiers? The performance of the integrated operational amplifier for differential amplification of ...[Details]
0 Introduction With the development of bus passenger transport, the safety and management of operators in the operation process are becoming more and more important. Due to the frequent disputes...[Details]
Dual tone multi frequency (DTMF) codec communication has the characteristics of strong anti-interference, low cost and long distance. This paper proposes an inverter power system based on DTMF remo...[Details]
In embedded systems, a common method to improve the reliability and security of microcomputer systems is to use a "watchdog". Watchdogs are divided into hardware watchdogs and software watchdogs....[Details]
The special function register TMOD is the working mode register of T0 and T1, and its format is as follows: The lower 4 bits of TMOD are the mode field of T0, and the upper 4 bits are the mode fie...[Details]
We already talked about the changes in charging power of major mobile phone manufacturers in the article "Digital Theory: Faster than Fast! The Fast Charging War among Mainstream Mobile Phone Manufac...[Details]
For different digital audio subsystems, several interfaces for digital conversion between microprocessors or DSPs (digital signal processors) and audio devices have been developed. Limited by the actu...[Details]
RF/Wirelessly
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