Important Notice .........................................................................................................................................4
Absolute Maximum Ratings ........................................................................................................................4
Radio Specifications ...................................................................................................................................5
Antenna Keep-Out Zone ........................................................................................................................... 13
Product Development Tools............................................................................................................................... 14
Development Tools................................................................................................................................... 15
Tape and Reel .......................................................................................................................................... 17
Storage & Soldering information ....................................................................................................................... 19
Storage and Handling ............................................................................................................................... 19
Quality & User information ................................................................................................................................. 21
Can any expert give me some guidance? I figured it out. I pressed the max293 pdf and it started working, but now it doesn't work. I thought the chip might be burned, but I changed a few and it still d...
Today I overclocked the DM642 board I made. I used SDRAM (143M) with a -7 suffix and adjusted the frequency multiplier setting of the PLL chip. I adjusted the original 133M frequency to 150M, and remo...
According to its instructions, it also comes with an adapter cable. But I don’t know if it can be used. [url=http://item.taobao.com/item.htm?spm=a230r.1.14.1.gGoi41&id=27020124516&_u=r13n6hr00a8]http:...
As graduates step out of their ivory towers, whose advice should they listen to? What lessons should they learn on their great journey to independence and autonomy? It might be helpful to listen to th...
I would like to ask a question about career planning: "There is a sequence in learning, and there is a specialization in skills." I am also a bookworm who comes here because of my reputation. I have o...
1. What are the functions of the two MOS tubes M1 and M2 in the circuit diagram?2. What is the feedback loop in the circuit diagram? What function does it play?3. Can this switching power supply be us...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]