Columns on RF DevicesConnect Everything Wirelessly
Today's world not only connect people to people but also things to things wirelessly. RF devices are essential to those communication devices. Various communication standards exist in the world, including terrestrial digital broadcasting, 5G, WiFi, Bluetooth, GPS (GNSS), etc. We will explain features, history and technology behind RF devices, which contribute to achieving these communication methods.
Volume 4 NEW
Power Amplifier: The Key Device for Communication Applications
A power amplifier is used for transmission lines of radio frequency (RF) signals. Its role is to amplify data communication signals converted from RF signals to the level to which an antenna can transmit it as a electromagnetic wave without distortion. ...
Volume 3
History of Our GaAs Semiconductor Products -History? Of Course There Is- (Latter Half)
In the previous volume, as the former part of the history of our GaAs semiconductor products, we explained our products and devices. In this volume, as the latter part, we will mainly talk about packages applied to our GaAs semiconductor ...
Volume 2
History of Our GaAs Semiconductor Products -History? Of Course There Is- (Former Half)
New Japan Radio, a former company of Nisshinbo Micro Devices, started to mass-produce GaAs semiconductor products (integrated circuits) in 1995. The first product mass-produced was an RF switch, which had a single input and ...
Volume 1
Introduction: What Is a GaAs Semiconductor?
Silicon (Si) is the most common element used for semiconductor products. It has long history as a material of semiconductor and is used in a wide range of applications and fields. Other semiconductor elements include germanium (Ge) and carbon ...
Authors
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RF Product Development Department
The RF product development department is located in Kawagoe Office, Saitama Prefecture. It develops radio-frequency semiconductors and SAW filter products based on the long experience and abundant knowledge on both analog and radio-frequency circuits.