I believe everyone has seen a lot of digital TV. In some subways and buses, PBI will play a lot of digital TV. Many people know that the use of this kind of TV is basically carried out by means of signal transmission. But on these devices, we neither see wires nor set-top boxes, so what is doing the signal transmission work? The answer is digital TV modulator equipment.
Introduction to the use of digital TV modulators: How can a TV set watch digital TV programs. Everyone knows that a digital set-top box must be installed to watch digital TV programs. In fact, the function of this set-top box is to receive digital signals from radio stations, and then the set-top box decrypts and converts these digital signals into analog signals. sent to the TV. The digital TV modulator plays a role in adjusting the program here.
