-
Knobs in consumer, appliances, and automotive technologies at lower system cost and power. ? Linear and rotational encoders The LDC1312 and LDC1314 are easily configured via ? Buttons in home electronics, wearables, an I2C interface. The two-channel LDC1312 is manufacturing, and automotive available in a WSON-12 package and the fourchannel LDC1314 is available in a WQFN-16? Keypads in manufacturing and appliances package.? Slider buttons in consumer products ? Metal detection in industrial and automotive
標簽:
430f
msp
430
上傳時間:
2016-07-22
上傳用戶:tongmoonsky
-
Wireless means different things to different people. For this book, it refers
to the radio systems that provide point-to-point, point-to-multipoint, and
Earth-space communications over transmission links that propagate outside
buildings through the lower atmosphere. Wireless systems are being built
that provide data transmission between computers and other devices on
one’s own desk. These are part of the wireless world but not the part where,
except for interference perhaps, the atmosphere has any influence. The intent
of this book is to provide a description of the physical phenomena that can
affect propagation through the atmosphere, present sample measurements
and statistics, and provide models that system designers can use to calculate
their link budgets and estimate the limitations the atmosphere may place on
their design.
標簽:
Communication
Propagation
Handbook
Wireless
for
上傳時間:
2020-05-31
上傳用戶:shancjb
-
Software defined radio (SDR) is an exciting new field for the wireless indus-
try; it is gaining momentum and beginning to be included in commercial
and defense products. The technology offers the potential to revolutionize
the way radios are designed, manufactured, deployed, and used. SDR prom-
ises to increase flexibility, extend hardware lifetime, lower costs, and reduce
time to market
標簽:
Software
Defined
Radio
for
3G
上傳時間:
2020-06-01
上傳用戶:shancjb
-
Long-TermEvolution(LTE)isarguablyoneofthemostimportantstepsinthecurrentphaseof
the development of modern mobile communications. It provides a suitable base for enhanced
services due to increased data throughput and lower latency figures, and also gives extra
impetus to the modernization of telecom architectures. The decision to leave the circuit-
switched domainoutofthescope ofLTE/SAEsystem standardization might soundradical but
itindicatesthatthetelecomworldisgoingstronglyfortheall-IPconcept----andthedeployment
of LTE/SAE is concrete evidence of this global trend.
標簽:
Deployment
Handbook
LTE-SAE
The
上傳時間:
2020-06-01
上傳用戶:shancjb
-
The challenges associated with the design and implementation of Electro-
static Discharge (ESD) protection circuits become increasingly complex as
technology is scaled well into nano-metric regime. One must understand the
behavior of semiconductor devices under very high current densities, high
temperature transients in order to surmount the nano-meter ESD challenge.
As a consequence, the quest for suitable ESD solution in a given technology
must start from the device level. Traditional approaches of ESD design may
not be adequate as the ESD damages occur at successively lower voltages in
nano-metric dimensions.
標簽:
Protection
Circuit
Device
Design
ESD
and
上傳時間:
2020-06-05
上傳用戶:shancjb
-
n its Framework and Roadmap for Smart Grid Interoperability Standards, the US
National Institute of Standards and Technology declares that a twenty-first-century
clean energy economy demands a twenty-first-century electric grid. 1 The start of the
twenty-first century marked the acceleration of the Smart Grid evolution. The goals
of this evolution are broad, including the promotion of widespread and distributed
deployment of renewable energy sources, increased energy efficiency, peak power
reduction, automated demand response, improved reliability, lower energy delivery
costs, and consumer participation in energy management.
標簽:
Communication
Networks
上傳時間:
2020-06-07
上傳用戶:shancjb
-
GaN is an already well implanted semiconductor
technology, widely diffused in the LED optoelectronics
industry. For about 10 years, GaN devices have also been
developed for RF wireless applications where they can
replace Silicon transistors in some selected systems. That
incursion in the RF field has open the door to the power
switching capability in the lower frequency range and
thus to the power electronic applications.
Compared to Silicon, GaN exhibits largely better figures
for most of the key specifications: Electric field, energy
gap, electron mobility and melting point. Intrinsically,
GaN could offer better performance than Silicon in
terms of: breakdown voltage, switching frequency and
Overall systems efficiency.
標簽:
GaN-on-Si
Displace
and
SiC
Si
上傳時間:
2020-06-07
上傳用戶:shancjb
-
In this book for the optimisation of assembly conveyor lines we are dealing with series part production
featured by a medium complexity degree and a medium number of individual components and assembly
technique alternatives. Modern production techniques for medium to large series products or mass
production usually involve assembly conveyor lines. They still use hand labour more or less automated.
The aim is to have monotonous and similar in type operations or such causing fatigue, stress and
production traumas, gradually replaced by automated assembly cycles, means and techniques. This
usually widely involves industrial robots and handlers. Higher productivity, lower cost and higher quality
of assembled products are usually required.
標簽:
automation-and-robotics
上傳時間:
2020-06-10
上傳用戶:shancjb
-
電子書-RTL Design Style Guide for Verilog HDL540頁A FF having a fixed input value is generated from the description in the upper portion of
Example 2-21. In this case, ’0’ is output when the reset signal is asynchronously input,
and ’1’ is output when the START signal rises. Therefore, the FF data input is fixed at
the power supply, since the typical value ’1’ is output following the rise of the START
signal.
When FF input values are fixed, the fixed inputs become untestable and the fault detection rate drops. When implementing a scan design and converting to a scan FF, the scan
may not be executed properl not be executed properly, so such descriptions , so such descriptions are not are not recommended. recommended.[1] As in the lower
part of Example 2-21, be sure to construct a synchronous type of circuit and ensure that
the clock signal is input to the clock pin of the FF.
Other than the sample shown in Example 2-21, there are situations where for certain
control signals, those that had been switched due to the conditions of an external input
will no longer need to be switched, leaving only a FF. If logic exists in a lower level and a
fixed value is input from an upper level, the input value of the FF may also end up being
fixed as the result of optimization with logic synthesis tools. In a situation like this, while
perhaps difficult to completely eliminate, the problem should be avoided as much as possible.
標簽:
RTL
verilog hdl
上傳時間:
2022-03-21
上傳用戶:canderile
-
說明: 51單片機控制fm1702射頻讀卡芯片讀寫mifare1卡全套資料。包括電路圖,pcb板圖,上、下位機軟件及源碼,stc單片機下載軟件,各種資料文檔等。(51 SCM control fm1702 RF reader chip card reader mifare1 a full set of data. Including the circuit diagram, pcb board map, the upper and lower-bit machine software and source code, stc SCM download software, all kinds of information documentation.)
標簽:
51單片機
fm1702
射頻芯片
上傳時間:
2022-05-27
上傳用戶: