Wireless audio transmitters are gadgets that allow a person to listen to digital sound files that are stored on a computer or digital music player without being in direct proximity to the computer or device but merely within range of the wireless tran...
What is an FM Transmitter?
An FM transmitter is a portable device, which converts a specific audio output into an FM radio signal. It can be plugged into a CD player, satellite radio system, headphone jack, or a portable media player. One common...
Features
ROHM's wireless audio link ICs (FM transmitter) enable the smallest FM stereo broadcasts
Compatible with billions of FM radio receivers around the world
Removes noise contained in digital audio sources, resulting in hi-fi ...
To the shipboard radio operators, it was a miracle -- a Christmas miracle. Instead of hearing the usual dots and dashes of Morse Code, these listeners heard an eerie Silent Night, played by a violin. It was Christmas Eve, 1906, and this broadcast was ...
FM radio works the same way that AM radio works. The difference is in how the carrier wave is modulated, or altered. With AM radio, the amplitude, or overall strength, of the signal is varied to incorporate the sound information. With FM, the frequenc...
1971年的10月，北京无线电厂接到了北京市关于在北京饭店及主要星级饭店配备国产高级半导体收音机的任务。那一年，乒乓外交使中美关系迅速解冻，联合国恢复了我国的合法席位。
为...
OK. So we have a signal that is sent to a radiosmitter's antenna. How does that signal get from the antenna to the air?
Let's first take a look at the signal. The signal is an electic current, and every electric current is actually electrons mo...
Part of the Radio-controlled transmit, transmit frequency of 265MHz, 12V power supply, the remote distance of 100M, operating current is only 4mA.
265MHz UHF frequency transmitter is made up of V1 and external components C1, C2, L1, L2, etc. thr...
IC1, C1 component of the about 400HZ low-frequency oscillator; IC2, C3 component of the about 37MHZ high-frequency oscillator, C2 output from the low-frequency signals of high frequency modulation signals. C4 and antenna composition launch system. Hi...
