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A sprytron, also known as vacuum krytron or triggered vacuum switch (TVS), is a vacuum, rather than a gas-filled, version. It is designed for use in environments with high levels of ionizing radiation, which might trigger a gas-filled krytron spuriously. It is also more immune to electromagnetic interference than gas-filled tubes.
The Tube Collectors Association; Datasheet on the 6SN7; RCA Receiving Tube Manual, RC-14, Harrison NJ, 1940; RCA receiving Tube Manual, RC-29, harrison NJ, 1973; Sylvania Technical Manual 14th edition (reprint), 2000; GE Techni-Talk, Volume 6 number 5, October–November 1954; Datasheet on the 6CG7; SPICE MODEL; Reviews of 6sn7 tubes.
For signal pentodes, an odd model number most often identified a variable-mu (remote-cutoff) tube, whereas an even number identified a 'high slope' (sharp-cutoff) tube For power pentodes and triode-pentode combinations, even numbers usually indicate linear (audio power amplifier) devices while odd numbers were more suited to video signals or ...
The larger tube, an octal-base 5U4GB dual power diode, was made by General Electric in the United States, the smaller, an ECC-83/12AX7 dual triode, was made by Telefunken in West Germany. The smaller tube is 1-3/4 inch (44.5 mm) high, not including pins, and 0.8 inch (20.4 mm) in diameter; the larger tube is 3-5/8 inches (93 mm) high, not ...
Later thermionic vacuum tubes, mostly miniature style, some with top cap connections for higher voltages. A vacuum tube, electron tube, [1] [2] [3] valve (British usage), or tube (North America) [4] is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied.
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The 6DJ8 is a miniature nine-pin medium-gain dual-triode vacuum tube. It is distinguished by its very high transconductance , mostly the result of its frame grid construction. Versions of the tube are named ECC88, E88CC, 6922, E188CC, CV4108, 7308, 6N1P and 6N23P.