The Dynaco ST-70 is one of the most popular tube amplifiers ever. First released in 1959, it's still sought after by hi-fi enthusiasts today.

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This paper proposes a CMOS linear power amplifier (PA) design scheme for IEEE 802.11g (WLAN) application. The proposed PA consists of a programmable gain amplifier and a high power stage which is ...

In this article, a novel design method of dual-band and dual-state (DBDS) Doherty power amplifier (DPA) is proposed. Considering the actual parasitic parameters, the DPA can be designed by using the ...