RF Circuit Technology

2020-09-14

In wireless communication systems, only a small part of the front-end circuit works in the radio frequency stage, which is commonly known as the radio frequency front-end circuit. The remaining circuits are used for low-frequency baseband analog and digital signal processing

2020-09-14

The power cord is an important pathway for EMI to enter and exit the circuit. External interference can be transmitted to the internal circuit through the power cord, affecting the RF circuit specifications.

2020-09-14

When designing an RF PCB layout, the following general principles must be given priority, The high-power RF amplifier(HPA)and the low-noise amplifier(LNA)should be isolated as much as possible.

2020-09-14

Analog circuits (RF circuits) and digital circuits may work well if they are worked separately. However, once you put them on the same board and work together using the same power supply, the entire system is likely to be unstable.

2020-09-14

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

2020-09-14

While a good schematic does not guarantee good wiring, good wiring starts with a good schematic. When drawing a schematic diagram, you need to consider the signal flow of the entire circuit.

2019-09-02

We know that technical methods will become increasingly sophisticated over time, and the same is true for PCB radio frequency microwave circuit board materials.

2019-08-02

Millimeter wave radar is a radar that operates on millimeter wave detection. Usually, millimeter wave refers to the frequency domain of 30-300GHz (wavelength of 1-10mm).

2023-02-08

The RF and microwave PCB industry is growing rapidly, and the push to produce PCB assembly faster and cheaper continues. This aggressive pace causes PCB design rules to conflict with component requirements.

2020-09-14

With the dawn of the 5G era, network base stations and user equipment (such as mobile phones) are becoming thinner and smaller, and their energy consumption is getting lower and lower.