DDMD50SF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

DDMD50SF is a kind of data modulator and demodulator of the latest communications satellite systems. It is widely used in the field of satellite communication in recent years. This article will first introduce the function and working principle of DDMD50SF, and then give a detailed analysis and application field.

DDMD50SF mainly comprises of a power supply unit, a demodulator, and a modulator. The power supply unit provides the working power for the whole modulator-demodulator. The demodulator and modulator are the central components of the DDMD50SF. The demodulator can convert the modulated signals from the satellite to the baseband signal with the frequency of 0–50 MHz, while the modulator can change this 0–50 MHz signal back to modulated signal which can be sent to satellite. Thus, DDMD50SF combines the functions of both modulation and demodulation.

The working principle of DDMD50SF is as follows. The modulated signals from a satellite come to the DDMD50SF as IF signals with the frequency of 0–50 MHz. The demodulator takes the modulation signals and converts them to baseband signal, with the frequency of 0–50 MHz. The baseband signal is then sent to the modulator which sends the modulated signal back to the satellite.

DDMD50SF has many applications in the field of satellite communication. For example, it can be used as a secondary uplink in the satellite communication network. Secondary uplink means that the transmission signal is sent to the satellite directly and is received by the satellite far away from the transmission point. On the receiving end, DDMD50SF can also be used as a demodulator to convert the modulated signals from the satellite to the baseband signal. It is also used in TDMA and CDMA satellite systems.

In conclusion, DDMD50SF is a kind of data modulator and demodulator of the latest communications satellite systems. It is used for modulating and demodulating data. Its applications include TDMA and CDMA satellite systems, DTH systems, and secondary uplinks in satellite communication networks. This article has explained its functions, working principle, and application field in detail.

The specific data is subject to PDF, and the above content is for reference