Basic logic operation and its circuit implementation

Experimental principle In logical algebra, there are three basic logical operations: and, or and not. As shown in Figure 1, the control circuit of three indicator lights is given. In the circuit of Fig. 1 (a), the indicator light will be on only when two switches are closed at the same time. This causal relationship […]

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Difference between DC power supply and AC power supply

Difference between DC power supply and AC power supply Today’s power generation equipment uses AC, and our household power supply also uses this type of power supply system on weekdays. However, some electrical appliances we usually use, such as computers, can only be supplied to us by turning into DC. DC and AC are the […]

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DC power symbol_ Brand ranking of DC power supply

DC power symbol The symbol of alternating current is represented by “~”, which is referred to as AC for short; The symbol of direct current is represented by “-“, which is referred to as DC for short. For example, the AC voltage is AC220V and the DC voltage is DC24V. The current whose magnitude and […]

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The brightness index characteristics and identification of LED electronic display screen are discussed in detail

As a media of publicity, LED display screen appears frequently in our life, and the demand for maintenance identification materials relative to LED electronic display screen is also increasing. Let’s discuss how to identify the brightness of LED electronic display screen. First, let’s understand what is the brightness of LED electronic display: The brightness of […]

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Toshiba launched a lightweight compact LDO regulator to help reduce device size and stabilize power line output

Shanghai, China, March 3, 2021 – Toshiba electronic components and Storage Devices Co., Ltd. (“Toshiba”) today announced the launch of the “tcr5rg” series composed of 45 LDO regulators. The series is packaged in lightweight and compact wcsp4f. The new LDO regulator has the industry-leading [1] high ripple rejection ratio [2], which can provide more stable […]

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