| 31. | The dual-gate MOSFET has a tetrode configuration, where both gates control the current in the device.
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| 32. | Beam tetrodes have remained in use until quite recently in power applications such as audio amplifiers and radio transmitters.
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| 33. | Beam tetrode audio power output valves were introduced in 1937, and quickly replaced conventional pentodes in this application.
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| 34. | This was solved by the Neutrodyne circuit, and later the development of the tetrode and pentode around 1930.
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| 35. | An important part of the neutralization of a tetrode or pentode is the design of the screen grid circuit.
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| 36. | Until recently, little has been written in English of the enigmatic figure of Willem Tetrode / Guglielmo Fiammingo.
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| 37. | He is known for the development of the Sackur Tetrode equation, which he developed independently of Hugo Tetrode.
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| 38. | He is known for the development of the Sackur Tetrode equation, which he developed independently of Hugo Tetrode.
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| 39. | His and Tetrode's names are also combined to name the Sackur Tetrode constant derived using the equation.
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| 40. | His and Tetrode's names are also combined to name the Sackur Tetrode constant derived using the equation.
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