Friends who are interested in the following four circuits can do it yourself 
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After the new agreement is enforced, the type of Qi certification that Apple ’s 7.5W transmitter needs to pass is EPP (MP-A11).
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In the past 20 years, the shipment of digital portable devices has increased tremendously. Many portable devices have audio content, for example: including iPod ...
The RF / wireless system will include a transmitter and receiver for sending and receiving signals, respectively. We first introduce the basic test of the transmitter, then ...
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This article will introduce the testing of RF / wireless chips. The RF / wireless system will include a transmitter and receiver for sending and receiving signals, respectively. I...
In this article, I will teach you to make a device that is often used in daily life: a wearable FM transmitter.
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Swiss medical experts have developed a microchip that can be implanted under skin tissue, which can predict the occurrence of diseases by monitoring key chemicals in the blood. The chip ...
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The existence of the tire pressure sensor is especially important in car accidents caused by flat tires in vicious traffic accidents. This device is like a insurance for the car ...
TX-3000 pH / mV transmitter produced by Sensorex is used to monitor the change of process fluid, display pH value, redox ...
The dynamic range of this circuit is excellent enough to support both ZIF (zero intermediate frequency / baseband) and CIF (up to 200 MHz to 300 MHz ...
Typical working circuit diagram of MAX1472 in RF transmitter application
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As a new type of automatic identification technology, RFID is widely used in various personnel positioning systems, such as underground personnel positioning systems in mines. The department ...
This project shows how to use the MSP430G2231 microcontroller to build a small Morse transmitter.
Car audio MP3 transmitter circuit:
The RF remote controller has its common characteristics, as shown in the schematic diagram of Figure 1. The basic components of the RF remote control include: provide users with keys to enter commands; put ...
The wireless generator circuit of the telephone is simple and practical, and can transmit the conversation content of both parties into the air, which can be received by the wireless receiver. The DC power supply for this circuit is taken from electricity ...
The frequency stability of the capacitor three-point oscillation circuit is not high, and the resulting transmitter is either inoperable or has too many harmonics. The circuit is relatively complex and the frequency deviation is small, ...
MAX7049 high performance, single chip, ultra low power ASK / FSK UHF transmitter in industrial, scientific, medical (ISM) frequency ...
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Adder, a connection solutions expert, introduces the latest generation of miniaturized audio-video (AV) transmitters, coupled with the highly successful ADDE ...
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Wireless transmitter circuit diagram and working principle analysis
The ANALOGIX Displayport transmitter solution was adopted by CPT to adopt ANALOGIX Semicond ...
Abstract: Working in the industrial, scientific and medical (ISM) band, the short-range wireless communication with a frequency range of 260MHz to 470MHz has been wide ...
Self-made standard signal transmitter circuit diagram
The radiation power and field strength test of UHF ISM band transmitter works in the industrial, scientific and medical (ISM) band, with a frequency range of 26 ...
The production of FM transmitter This article will elaborate on the use of the miniature high-efficiency wireless sound transmission module MEC002A produced by Minshi Technology to make a community FM ...
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Long-range FM transmitter: The power in the picture below can reach 2000 meters, which can be regarded as a long-range FM transmitter.
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Abstract: 8-bit CMOS microcontroller rfPIC12C509AF has TISC central processor, 1024 × 12bit ...
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The DVD Player is a device that can play DVD discs produced under both the DVD-Video and DVD-Audiotechnical standards. This Media Player will also play audio CDs. This Portable DVD players are connected to a television to watch the DVD content, which could be a movie, a recorded TV show, or other content. We have about 20 years experiences to product this Portable DVD Player With USB, and we also support custom manufacturing, we can offer Hd Video Player OEM/ODM service. Expect traditional DVD Players, we are also manufacture updated version of DVD Player: portable DVD Player and portable video players. Look forward to cooperation with you.
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