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2. Denon - Wikipedia

   en.wikipedia.org/wiki/Denon

   Denon (株式会社デノン, Kabushiki Gaisha Denon) is a Japanese electronics company dealing with audio equipment. The Denon brand came from a merger of Denki Onkyo (not to be confused with the other Onkyo ) and others in 1939, but it originally started as Nippon Chikuonki Shoukai in 1910 by Frederick Whitney Horn, an American entrepreneur.

3. Power amplifier classes - Wikipedia

   en.wikipedia.org/wiki/Power_amplifier_classes

   Power amplifier classes. In electronics, power amplifier classes are letter symbols applied to different power amplifier types. The class gives a broad indication of an amplifier 's characteristics and performance. The first three classes are related to the time period that the active amplifier device is passing current, expressed as a fraction ...

4. Class-D amplifier - Wikipedia

   en.wikipedia.org/wiki/Class-D_amplifier

   The first class-D amplifier was invented by British scientist Alec Reeves in the 1950s and was first called by that name in 1955. The first commercial product was a kit module called the X-10 released by Sinclair Radionics in 1964. However, it had an output power of only 2.5 watts. The Sinclair X-20 in 1966 produced 20 watts but suffered from ...

5. U.S. helicopter armament subsystems - Wikipedia

   en.wikipedia.org/wiki/U.S._helicopter_armament...

   U.S. helicopter armament subsystems. Typical armament for UH-1 gunship, M134 minigun and Mk 40 FFAR with a swivel-mounted M60 machine gun. The United States military has developed a number of Helicopter Armament Subsystems since the early 1960s. These systems are used for offensive and defensive purposes and make use of a wide variety of weapon ...

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Common emitter - Wikipedia

   en.wikipedia.org/wiki/Common_emitter

   Common emitter. Figure 1: Basic NPN common-emitter circuit (neglecting biasing details) In electronics, a common-emitter amplifier is one of three basic single-stage bipolar-junction-transistor (BJT) amplifier topologies, typically used as a voltage amplifier. It offers high current gain (typically 200), medium input resistance and a high ...