2020-09-18

With the improvement of the operation speed of microprocessor and signal conversion and transmission devices, the operation speed of digital circuit has reached a higher level: 100gbps

2020-09-14

With the opening of 5g era, network base stations and user equipment (such as mobile phones) become more and more slim and compact, and the energy consumption is also becoming lower and lower.

2020-09-14

High frequency PCB refers to the special PCB with high electromagnetic frequency, which is used in the fields of high frequency (frequency greater than 300MHz or wavelength less than 1m) and microwave (frequency greater than 3GHz or wavelength less than 0.1M).

2020-09-14

RF PCB(radio frequency PCB) is widely used in many fields, such as television, radio, mobile phone, radar, automatic identification system, etc. The term RFID (radio frequency identification) refers to the application of radio frequency identification signal to identify the target.

2020-09-14

Radio frequency is referred to as RF, radio frequency is the radio frequency current, it is a kind of high frequency alternating current electromagnetic wave abbreviation. Alternating current that changes less than 1000 times per second is called low-frequency current, and that greater than 1000 times is called high-frequency current, and radio frequency is such a high-frequency current.

2020-09-14

In a wireless communication system, only a small part of the front-end circuit works in the RF stage, which is commonly known as RF front-end circuit. The rest of the circuit is for low-frequency baseband analog and digital signal processing

2020-09-14

Power line is an important way for EMI in and out of the circuit. Through the power line, the external interference can be transmitted into the internal circuit and affect the RF circuit index.

2020-09-14

1. RF circuit layout principle,In the design of RF PCB​ layout, the following general principles must be given priority to:

2020-09-14

If the analog circuit (RF circuit) and digital circuit work separately, they may work well. However, once they are put on the same board and work together with the same power supply, the whole system is likely to be unstable.

2020-09-14

PCB high-frequency PCB refers to the special circuit board with high electromagnetic frequency, which is used in the fields of high frequency (frequency greater than 300MHz or wavelength less than 1m) and microwave (frequency greater than 3GHz or wavelength less than 0.1M).