ANYTONE AT-6666PRO 80W SSB RADIO

Single Side Band (SSB for short) is an amplitude modulation technology that can make more effective use of electrical energy and bandwidth. The following is a detailed introduction to single side band:

Principle: An amplitude-modulated wave is a modulation method in which the amplitude of the carrier wave changes with the amplitude of the modulating audio. Its spectrum includes the carrier wave, the upper sideband, and the lower sideband. In essence, a single sideband signal is also an amplitude-modulated signal. It eliminates one sideband and the carrier wave in the amplitude-modulated wave and only transmits one sideband, thus completing the transmission of information and improving the efficiency of the transmitting power. According to the different sidebands transmitted, single sideband signals can be divided into upper sideband signals (USB) and lower sideband signals (LSB).

Generation: Generally, a balanced modulator is used to generate single sideband signals. It can make the modulated signal contain only the frequency components of the upper sideband and the lower sideband, while the audio and the carrier wave are eliminated inside the modulator to obtain a double sideband signal (DSB). Then, by using a filter to filter out one of the sidebands, a single sideband signal can be obtained.

Characteristics

Advantages: It saves the frequency band. Since only one sideband is transmitted, the bandwidth it occupies is less than half of that of a conventional amplitude-modulated signal, and more signals can be accommodated under limited spectrum resources. It saves power by concentrating the power on one sideband, improving the utilization rate of the transmitting power. It enhances confidentiality. The single sideband transmitter does not send the carrier frequency, and the signal is less likely to be intercepted and cracked.

Disadvantages: The equipment is relatively complex. Compared with other modulation methods, the modulation and demodulation processes of single sideband require more complex circuits and 

ANYTONE AT-6666PRO 80W SSB RADIO already shipped out from our factory. User will buy them from Amazon at the end of July . EU user will get them from Falcon-Spain Anytone authorize distributor about July 20 to July 25, 2024. 

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