The carrier amplitude of the AM wave is 7V, the frequency is 20kHz, the modulation wave signal frequency is 400Hz, the amplitude? I don’t know so I don’t know the modulation degree. . . ....
I am a newbie. After importing the 3.3 example into CCS5.3, a warning appeared after debugging (as shown in the picture). Can someone please give me some advice on how to solve this problem?...
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[color=#333333]How do you understand -48V power supply? It is obviously -48V, but many communication devices use 48V power supply. How do you understand it? [/color]...
I have a PDA with Windows CE 5.0. The IE browser that comes with the system is not easy to use. I want to change it. Which one can be used? Please send it to me to try! Thank you! Mozilla minimo, NetF...
1. Introduction
At present, with the continuous development of modern medical devices, especially electronic instruments directly connected to the human body, in addition to the increasingly high...[Details]
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
Sensors have made inroads into automotive, medical, industrial and aerospace applications. But you may not see anything changing yet. Growing demands for safety, convenience, entertainment and efficie...[Details]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m~1kHz), audio (20Hz~20kHz), video (20kHz~10MHz), radio fre...[Details]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communication technology since the advent of digital communications. Many new wir...[Details]
1.
Introduction
With the rapid development of modern computer technology and Internet technology, embedded systems have begun to occupy the mainstream of the market. Due to the high ...[Details]
CVC5.0 (CSR recently announced the fifth generation of clear voice capture technology) is the only solution on the market that provides advanced audio enhancement and noise suppression to both the ...[Details]
1 Introduction
Digital video is the use of video capture devices such as cameras to collect external image information and digitize the image information, and then record it to storage med...[Details]
After being widely adopted in applications such as backlighting of portable products with small and medium-sized screens, light-emitting diodes (LEDs) have entered the field of general lighting in ...[Details]
Broadcom Corporation announced that its integrated digital TV system-on-chip (SoC) solution, the BCM3549, has been selected by LG Electronics for use in two new broadband high-definition television...[Details]
With the increasing application of various nonlinear loads, reactive power and harmonic pollution in the power grid have become a very serious problem. In order to eliminate the pollution caused by...[Details]
1 Introduction
Rectifier circuits, especially single-phase bridge controlled rectifier circuits, are the most important and widely used circuits in power electronics technology. They are n...[Details]