A pair of broadband voltage limiting amplifiers opa698 and opa699 introduced by TI company can provide accurate limiting voltage to protect signal sensitive converters, such as high-speed analog-to-digital converters. The amplifier has an externally controlled output stage voltage limit and has exceptionally good amplifier performance. Opa698 and opa699 provide designers with a pair of very […]
Category: Simulation Technique
Performance characteristics and application analysis of fixed gain amplifier el510x
Two kinds of fixed gain (+ 1, – 1 and + 2) amplifiers el5106 and el5108 introduced by INTERSIL company. El5106 is a device with 350MHz bandwidth 4000V / US conversion rate, and el5108 is an amplifier with 450MHz bandwidth 6000V / US conversion rate. El5108 is the fastest fixed gain amplifier in the industry. […]
Performance characteristics and application analysis of high speed anti radiation operational amplifier lmh6715
The series of high-speed operational amplifiers lmh6715, LMH6628 and lmh6624 launched by national semiconductor for military and aerospace markets are used in the fields of video, audio and communication. These operational amplifiers are manufactured using national’s unique VIP10 patented technology to achieve a space radiation capacity of 300 krads / Si total dose. These operational […]
Performance characteristics and application of class D audio power amplifier tpa2008 D2
TI company launched the industry’s first 5V filter free class D audio power amplifier tpa2008 D2, which integrates DC volume control to reduce cost and shorten design time. The gain of tpa2008 D2 affects the output power. It is controlled by the DC voltage applied to the volume pin. At full power, tpa2008 D2 will […]
Performance characteristics and application range of class D audio amplifier max9712
Maxim introduced a new class D audio amplifier max9712, which can simplify class AB amplifier circuit (no output filter) and has class AB Audio Performance (THD + n is 0.06%) and 90% efficiency of class D. Max9712 adopts a patented modulation scheme and can meet the FCC radiation standard without output filter or ferrite beads. […]
Performance characteristics and application range of low noise operational amplifier opa84x
The high-speed operational amplifier series opa84x launched by TI company has the performance of broadband, low distortion and low noise. It can drive 12 bit to 16 bit ADC and DAC. It can also be used as a general-purpose operational amplifier for line driver, broadband integrator, active filter and low-noise receiver. One gain bandwidth of […]
Design of digital TV power amplifier based on mr373 chip and balanced amplifier circuit structure
Power amplifier is an important part of digital TV transmitter. In general, the signal in the digital TV transmitter is modulated by COFDM to output if analog signal, which is sent to the amplification part through up conversion. The modulation mode includes IFFT (8m) and IFFT (2m), which are composed of 6817 and 1705 carriers […]
On the main differences between liquid lithium ion battery and solid state battery
As soon as the solid-state battery came out, the shares of listed companies related to battery diaphragm fell sharply. So what is the role of the diaphragm in the battery? Why does the emergence of solid-state batteries make the shares of battery diaphragm enterprises fall? In liquid lithium-ion battery, diaphragm is one of the four […]
Why do embedded systems need many power rails?
With the increasing integration and use of electronic equipment, designers are constantly facing the pressure of improving efficiency, reducing cost, size and electromagnetic interference (EMI). Although the power supply has also improved in power density and efficiency, designers are still facing the problem of developing multi-rail power solutions for heterogeneous processing architectures, which may be […]
Analysis of the difference between cobalt containing solid state battery and cobalt free solid state battery
In 2021, Weilai automobile focuses on solid-state batteries, while Panasonic intends to develop cobalt free batteries. What is the relationship between cobalt and solid-state battery? Is solid state battery cobalt free? The electrolyte of early solid-state batteries was polymer electrolyte, with peo (polyethylene oxide) accounting for the vast majority. The electrochemical stability window (oxidation potential) […]