Circuit of wireless remote control device for bedroom appliances
Transmitter: The encoding is done by LC2190. S1-S6 are launch keys.
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Making wireless microphone and circuit with NAND gate circuit
Wireless microphones can be found everywhere on the market, but without exception, they are constructed with LC oscillators or quartz crystal oscillator circuits. As we all know, NAND gates have the …
Discussion on the basic knowledge of digital video
Due to the needs of my work, I have done several years of development in digital video processing. The development I mentioned refers to the development of the application layer, not the underlying research. Ha…
Î’LY89 30W FM FM power amplifier circuit
A amplifier of medium force RF for the FM, is always essenTIal for the amateur that wants it strengthens some small…
High-sensitivity sound detector designed with four op amps LM324
LM324 is a quad op amp integrated circuit, it uses 14-pin dual in-line plastic package, the shape is shown in the figure. It contains four groups of operational amplifiers in the same form. In add…
Name Structure schematic diagram Graphic symbol
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SDMA performance and characteristics
The previous analysis shows that the SDMA system has good anti-narrowband noise performance. At the same time, it can also make the transmitted signal similar to the spectral characteristics of the background noise by select…
Analysis of the prospects of the three major firewall architectures
The statistical analysis of CCID Consulting shows that the firewall market has maintained rapid growth since 2004. In the second quarter only, the firewall market accounted for more than 40% of…
Research on Microwave Communication Antenna Selection and Optimization Method
1 Introduction
With the rapid development of wireless communication technology, the application range of microwave communication technology communication is very wide. Microwa…
Figure 1. This 4-bit DAC is controlled by a 1-Wire interface. (DS2408 outputs P4 to P7 are not …
Working principle of bone hyperplasia therapeutic instrument
working principle:
Close the power switch S1, the mains power is added to the power transformer T primary through the switch S1, the fuse FU, and the T secondary outputs two sets of AC 40V and 7V…