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VF14 – Sharp-cutoff pentode, 55 V heater, Y8A 8-pin steel tube base, identical to EF14 and UF14 except for heater ratings [2] VF14M – Selected VF14 in production until the end of the 1950s for use as a preamplifier in Neumann condenser microphones U-47 and U-48 where they were run at only half their rated heater power to reduce noise [ 58 ]
SR – Transmitter tube; VR – Amplifier tube; The third letter specifies the cooling method: L – Forced air; S – Radiation; V – Vapor (the anode is immersed in evaporating water, and the steam is collected, condensed and recycled) W – Water; The first digit (or the first two digits in double tubes) indicates the number of electrodes ...
Pages in category "Sharp programmable calculators" ... This list may not reflect recent changes. E. Sharp EL-5120; Sharp EL-5400; Sharp EL-5500; Sharp EL-5500II ...
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1271 ahead. Let's start with a few hints.
Ordinary pentodes are referred to as sharp-cutoff or high-slope pentodes and have uniform aperture size in the control grid. The uniform construction of the control grid results in the amplification factor (mu or μ) and transconductance changing very little with increasingly negative grid voltage, resulting in fairly abrupt cutoff of plate ...
President-elect Donald Trump campaigned on the promise to create more American jobs and protect existing ones. But many of his proposals and expected policy changes threaten to have the opposite ...
Sharp Corporation (シャープ株式会社, Shāpu Kabushiki-gaisha) is a Japanese electronics company. [4] [5] It is headquartered in Sakai, Osaka, and was founded by Tokuji Hayakawa in 1912 in Honjo, Tokyo, and established as the Hayakawa Metal Works Institute in Abeno-ku, Osaka, in 1924. [6]
Doritos comes in flavors that run the gamut from Cool Ranch to Flamin’ Hot Limon. At Super Bowl LIX, however, executives behind the popular chip will focus on a classic recipe. Frito-Lay, the ...