A pentode is an electronic device having five electrodes. The term most commonly applies to a three-grid amplifying vacuum tube or thermionic valve that...
14 KB (1,782 words) - 11:53, 20 July 2024
A pentode transistor is any transistor having five active terminals. One early pentode transistor was developed in the early 1950s as an improvement over...
997 bytes (89 words) - 10:19, 10 April 2023
List of vacuum tubes (section P - Pentode)
pentode, R8 1S6 – Diode, pentode, R8 1T6 – Diode, pentode, R8 1V5 – Power pentode, R8 1V6 – Triode-pentode converter, FL 1W5 – Sharp-cutoff pentode,...
329 KB (40,580 words) - 17:54, 4 August 2024
KL1 – Power pentode KL2 – Power pentode KL4 – Power pentode KL5 – Power pentode KL35 – 340 mW Power pentode KLL32 – 1.2W Dual power pentode KY80 = U26...
125 KB (15,290 words) - 15:00, 12 February 2024
frequency. The beam tetrode produces greater output power than a triode or pentode with the same anode supply voltage. The first beam tetrode marketed was...
17 KB (1,834 words) - 12:26, 19 May 2024
Vacuum tube (section Tetrodes and pentodes)
data sheets often use the terms beam pentode or beam power pentode instead of beam power tube, and use a pentode graphic symbol instead of a graphic symbol...
120 KB (15,367 words) - 03:53, 22 September 2024
was quickly superseded by the rf pentode, while the latter was initially developed as an alternative to the pentode as an audio power amplifying device...
34 KB (4,294 words) - 04:47, 8 July 2024
(Mullard–Philips tube designation EL90) is a miniature 7-pin (B7G) audio power output pentode vacuum tube with ratings virtually identical to the 6V6 at 250 V. It was...
3 KB (312 words) - 02:49, 27 December 2023
The EL34 is a thermionic vacuum tube of the power pentode type. The EL34 was introduced in 1955 by Mullard, who were owned by Philips. The EL34 has an...
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Pentagrid converter (section Pentode)
current of 600 mA – double that of more conventional types. The use of a pentode would seem an unlikely choice for a frequency converter because it only...
17 KB (2,512 words) - 18:24, 27 May 2024