Variable Gain Amplifiers (VGAs) are amplifiers which are capable of signal conditioning and whose voltage can be set electronically. The gain of variable gain amplifiers can be controlled through analog voltage, which in turn can be controlled through a direct current (DC) source, functional source or through digital to analog converters. Variable gain amplifiers can provide a gain of various ranges, depending upon the application. These amplifiers can function across various amplitude ranges and also across a wide gain control range. Suppliers of variable gain amplifiers generally offer a plethora of these amplifiers and also offer customized products, depending on the application requirement of their customers.
The market for variable gain amplifiers is growing at a very fast pace, primarily owing to the growing demand for remote sensing and communication equipments globally. Variable gain amplifiers have wide array of applications across several industrial verticals. They can be found in mobile phones, while they are also used in complex radio frequency modules of electronic devices developed for defense industries among others. Such wide applications in electronic devices have been promoting the growth of the market. Additionally, the ongoing strong research and development activities, across the globe, to develop next generation communication systems have also been positively impacting the growth of this market. This is because research and development facilities have always been strong customers for variable gain amplifier manufacturing companies. Additionally, the growing penetration of hand held communication devices, across the developing and under developed nations is also aiding in the growth of the variable gain amplifiers market.
The global variable gain amplifiers market can be segmented, by type, into analog, digital and others. In analog variable gain amplifiers, the gain in decibel is a linear function of the input voltage. Digital variable gain amplifier is a combination of a gain device and an attenuator, packaged into a single module, and utilizes a digital control to modulate the gain. On the basis of supply voltage, the market has been segmented into three segments, namely up to 5V, above 5V – 7V and above 7V. Each segment of variable gain amplifiers has specific applications in different electronic devices and across different industry verticals. By end use industry, the variable gain amplifiers market is segmented into aerospace & defense, healthcare, consumer electronics and others. Various devices of aerospace and defense industry utilizes variable gain amplifiers. Some examples include radar, light detection and ranging (LiDAR) and wireless communications. Application of variable gain amplifiers in healthcare industry includes in ultrasound devices and radio imaging devices among others. In consumer electronics, variable gain amplifiers are utilized for mobile phones and satellite phones among others. Others segment includes various industrial end users where variable gain amplifiers are used for applications such as ultrasound imaging for machinery fault analysis and industrial automation among others. The global variable gain amplifiers market has been further segmented into five regions: North America, Europe, Asia Pacific (APAC), South America and Middle-East & Africa (MEA). By revenue, Asia Pacific had the largest market share in 2015, followed by North America and Europe. Large consumer base of consumer electronics is the primary reason for Asia Pacific being the top revenue garner. North America is the second highest revenue garner in the variable gain amplifier market, owing to their large applications in aerospace and defense industry, apart from consumer electronics.
The major companies of the variable resistors market globally are Analog Devices, Inc. (U.S.) Linear Technology (U.S.), Texas Instruments, Inc. (U.S.), Integrated Device Technology, Inc. (U.S.), NXP Semiconductors N.V. (The Netherlands), TriQuint Semiconductor (U.S.), Maxim Integrated (U.S.), Future Electronics (Canada), Skyworks Solutions, Inc. (U.S.), MACOM (U.S.) and Broadcom Corporation (U.S.) among various others.
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