Lamp power amplifiers. Schemes, articles of the Free Technical Library

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Lamp power amplifiers. Schemes, articles, descriptions

Free library / Schemes of radio-electronic and electrical devices

Tube Power Amplifiers

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Controlling the radio model using a computer

Section Radio control equipment. Probably, no matter how old a person is, he will still be interested in playing with a radio-controlled toy. Let's take a radio-controlled car for example. No? Buy! I understand it's expensive in the store. But in the market where I bought this monster for myself in the winter of 2004, it cost 270 rubles (without batteries). I do not recommend using batteries - batteries are better. I put nickel-cadmium on 800 mlACH for myself. My car supports steering - left / right and forward / backward. That is, there are no inconveniences and restrictions. Doesn't slip on carpet. Overcomes thresholds and baseboards up to 2.5 cm without problems. Speed - a little faster than a step. The durability is excellent. Strange, but the assembly is Chinese. For 270 rubles, I consider it just a godsend ... >>

Let's talk about number systems

Section Beginner radio amateur. The number system, which we are all accustomed to from the cradle, is decimal. Ours, dear! We count like this: 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18… etc. However, this is what the dense science of Mathematics is in nature to periodically spoil the whole buzz of life for us. Here again ... In short, in addition to the painfully native decimal number system, it turns out that there are still all sorts of different systems. Well, how can one continue to live here when faith in the indestructible is destroyed! However, we will live. But first we need to get to know each other better. ... >>

AON-Z80 interface

Section Telephony. The interface is designed to connect the Z-80 AOH product to an IBM PC/AT computer (hereinafter referred to as PC) in order to enter information about the caller into the PC. The interface uses the LPT1 port to input information from the AOH. The operating principle of the INTERFACE is to read information from the segment register to the ALS318 LED indicator, encode the data with a 5-bit code and then transfer it through decoupling elements for digitization in the PC port ... >>

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Articles on tube power amplifiers

Articles on tube power amplifiers, schemes of tube power amplifiers, descriptions of tube power amplifiers: 72 articles

Latest news of science and technology, new electronics:

Artificial leather for touch emulation 15.04.2024

In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>

Petgugu Global cat litter 15.04.2024

Taking care of pets can often be a challenge, especially when it comes to keeping your home clean. A new interesting solution from the Petgugu Global startup has been presented, which will make life easier for cat owners and help them keep their home perfectly clean and tidy. Startup Petgugu Global has unveiled a unique cat toilet that can automatically flush feces, keeping your home clean and fresh. This innovative device is equipped with various smart sensors that monitor your pet's toilet activity and activate to automatically clean after use. The device connects to the sewer system and ensures efficient waste removal without the need for intervention from the owner. Additionally, the toilet has a large flushable storage capacity, making it ideal for multi-cat households. The Petgugu cat litter bowl is designed for use with water-soluble litters and offers a range of additional ... >>

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The stereotype that women prefer "bad boys" has long been widespread. However, recent research conducted by British scientists from Monash University offers a new perspective on this issue. They looked at how women responded to men's emotional responsibility and willingness to help others. The study's findings could change our understanding of what makes men attractive to women. A study conducted by scientists from Monash University leads to new findings about men's attractiveness to women. In the experiment, women were shown photographs of men with brief stories about their behavior in various situations, including their reaction to an encounter with a homeless person. Some of the men ignored the homeless man, while others helped him, such as buying him food. A study found that men who showed empathy and kindness were more attractive to women compared to men who showed empathy and kindness. ... >>

Random news from the Archive

New voltage references 26.05.2008

Texas Instruments has introduced two new voltage reference families, REF50xx and REF33xx, designed for high precision industrial applications as well as low power portable devices. The REF50xx has a maximum instability of 3 ppm/°C, an accuracy of 0,05%, and a noise level of 3 µVpp/V.

The combination of these parameters is optimal for working with most industrial high-resolution ADCs. The REF33xx has a low maximum quiescent current of 5µA, an output current of up to 5mA, and is capable of operating from a 1,8V supply, making it ideal for portable applications.

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