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This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]

Today, as network technology becomes more and more popular, industrial field instruments, data acquisition and control equipment are becoming more and more networked, and the combination of industr...[Details]

summary Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC. 1. Schematic The schematic diagram is show...[Details]

A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]

1. Introduction The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]

1 Introduction Economic development has prompted people to continuously improve their security awareness. When traditional local analog monitoring methods gradually fail to meet the needs of l...[Details]

With the continuous development of the national economy, the application of variable frequency speed regulation devices is becoming more and more extensive. How to break the monopoly of foreign produc...[Details]

As AC induction motors become the preferred choice for industrial motors, the need to reduce power consumption in all aspects of the design continues to emerge, so improving the efficiency of these...[Details]

0 Introduction In the mixed analog and digital circuit system, multiple power supplies are required. In order to reduce the number of external power supplies and realize the miniaturizatio...[Details]

Preface Today, automotive electronic devices account for a large proportion of the entire vehicle. Although these electronic modules bring comfort and safety to car users, at the same time...[Details]

The current and future carrier and bandwidth requirements of wireless air interfaces pose a challenge to 3G base station OEMs, who must choose a platform that can quickly meet the processing requir...[Details]

With the formulation of the national economic policy to vigorously stimulate domestic demand, infrastructure represented by transportation has become one of the most important contents. "If you wan...[Details]

With the significant increase in the use of portable electronic devices such as media players, PDAs, and mobile phones, external power supplies (EPS) or battery chargers have begun to occupy power ...[Details]

1 Introduction Today, with the development of control, computer, communication, network and other technologies, the field of information exchange is rapidly covering all levels from the fa...[Details]

1 Introduction In recent years, more and more substations of 35kV and above have been unmanned, and low-voltage electricity consumption in the station is the basis for ensuring the ope...[Details]