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0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
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Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
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Abstract Aiming at the harm caused by mobile phone microwave radiation to human body and the incompatibility between mobile communication network and fixed-line network, a PSTN voice gateway using ...[Details]
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New processors in laptops place higher demands on power supplies: higher current, faster response to load steps, and faster adjustment of output voltage after the voltage identification (VID) code ...[Details]
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When the tuning knob is turned, only one radio station is received, or no radio station is received. The visual moving piece does not move at all and remains in the original position. However...[Details]
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How it works
The relay coil is powered, 220V mains is added, the instantaneous contact coils of J1 at both ends are powered and drive the instantaneous contacts to operate, and the varistor RV...[Details]
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Nowadays, more and more electronic products use
LED backlight
modules. To ensure
the performance of
backlight modules
,
the protection function of
LED driver
IC
h...[Details]
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1. Experimental purpose
1. Understand the interface method between D/A conversion and single-chip microcomputer.
2. Understand the performance and programming method of D/A conversion chip ...[Details]
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With the development of power electronics technology, power supply technology has been widely used in various industries. The requirements for power supply are also different. This article introduces ...[Details]
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1.
Introduction
The rapid development of electronic technology has brought great changes to traditional mechanical locks. The combination of modern electronic technology and mechanic...[Details]
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Generally, bulbs use aluminum
heat sinks
. The disadvantage of this type of bulb is that it is heavy. Moreover, because aluminum is conductive, it is not easy to pass CE, UL and othe...[Details]
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1 Introduction
Power supply technology, especially digital control power supply technology, is a very practical engineering technology, involving many disciplines such as electrical, electr...[Details]
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With the clinical application of electrocardiogram technology and the development of electronic technology, electrocardiogram, as a relatively mature and widely used technology in biomedical meas...[Details]
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The distribution of my country's energy resources is characterized by more coal, less gas and less oil. China's oil resources are heavily dependent on imports. If it is not controlled, China's oil ...[Details]
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Pickering Interfaces' BRIC module places many relays in a very dense format. The BRIC module only uses the left-hand slot on the PXI backplane, and to power the module, it can use the other free slots...[Details]
Analog electronics
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