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TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
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introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
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Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]
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TMS320C62X is a new generation of high-performance fixed-point digital signal processor (
DSP
) chip
from Texas Instruments (
TI
). The software design problem based on
DSP
is to use...[Details]
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Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
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Anyone who has owned a laptop computer will have noticed that when running on battery power, their portable device behaves differently than when running on AC mains power—the display dims, the proc...[Details]
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When it comes to ATX power supply, people will think of two "classic" ICs: pulse width modulation chip TL494 and voltage comparator LM339. The new dedicated control chip AT2005B has the functions ...[Details]
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0 Introduction
In modern industrial production and scientific and technological research, various data usually need to be collected. The commonly used data acquisition board collection met...[Details]
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The teardown of the third-generation iPhone shows that the phone is more integrated and may cost less, in part because of the use of chips from Broadcom and Toshiba. One analyst joked that the "S" ...[Details]
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1 Introduction
The brushless DC motor uses an electronic commutation device to replace the mechanical commutation device of the traditional DC motor, and has similar mechanical character...[Details]
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introduction
With the development of electronic technology, the anti-theft alarm system has evolved from the original simplification and localization to intelligence and integration. At pr...[Details]
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1 Introduction
Combination weigher is also called selection combination weighing instrument. It is composed of multiple independent weighing units with feeding and discharging structures. ...[Details]
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1 H4006 chip introduction
The operating frequency range of H4006 is 10～15MHz, and 13.56MHz is usually selected for identity recognition. There is a 64-bit programmable memory on the ch...[Details]
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introduction
In order to completely eliminate the overloading phenomenon, overloaded vehicles are prohibited from going on the road, so that the driver can know the load of the vehicle in ...[Details]
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Internet radio is becoming a new bright spot in the consumer electronics market, because it truly realizes high-definition listening in any environment around the world. Compared with traditional r...[Details]
PCB Design
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