-
The repeater consists of two parts: the transmitting part and the receiving part. Figure 1 (a) shows the principle of the transmitting part circuit. The sound (audio) signal after frequency discrim...[Details]
-
With the development of wireless communication chip technology, more and more portable or battery-powered wireless transmission devices have entered people's daily lives. For example, remote keyless ...[Details]
-
Jiwei.com reported on December 24 that yesterday, a netizen reported on social networks that many products on the Apple Store China official website had price errors, with products worth thousands of...[Details]
-
/*******************
C language operator priority level
1 priority left associative
() parentheses subscript operator -> point to structure member operator. Structure member operator
le...[Details]
-
Experts from the Ministry of Agriculture of China came to Zhangqiu, Jinan, thousands of miles away from Beijing, for research. In the context of the current domestic corn full-process mechanization...[Details]
-
With the rapid development of wireless communication systems, the demand for high-efficiency RF power amplifiers has gradually increased. How to improve
the working efficiency of
power amplifier...[Details]
-
I skipped a day of classes today to learn about the memory manager of S3C2440, which I didn't learn when I was learning about stm32. The enhanced large-capacity chip of stm32 has FSMC (flexible stati...[Details]
-
According to Jiwei.com on March 22, today is the first sale day of iQOO Neo5. According to official sources, the phone has achieved good results, with sales exceeding 100 million yuan across the enti...[Details]
-
nrf_clock_lf_cfg_t clock_lf_cfg = NRF_CLOCK_LFCLKSRC; // see nrf_sdm.h for more details nrf_clock_lf_cfg_t clock_lf_cfg = { .source = NRF_CLOCK_LF_SRC_RC, .rc_ctiv = 16, // Interval in 0.25 ...[Details]
-
The CA 757 digital voltage probe is a compact, lightweight test and measurement instrument that provides basic functions required for daily use. Suitable for one-handed operation, the CA 757 is equip...[Details]
-
The weather is cold, the demand for private car travel increases and the road conditions are bad, vehicle fuel consumption increases, and warming up the car in winter also increases vehicle fuel cons...[Details]
-
According to reports, Unisplendour said that the maximum storage capacity of SIM cards currently on the market is 512KB, while Unisplendour 5G Super SIM cards have launched three capacities: 32G, 64G...[Details]
-
IGBT plays a very important role in motor drive, and the performance of IGBT affects the stability of motor drive. Its main functions include:
Power conversion: IGBT converts DC power into AC ...[Details]
-
A photomultiplier tube (PMT) is a device that turns light into an electric current. A photomultiplier tube has a light-sensitive cathode that emits electrons in proportion to the number of photons th...[Details]
-
Servo presses and ordinary presses are two different types of presses. There are many differences between them in working principle, structure, performance, application, etc.
introduction...[Details]