given as a guide only – please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. EM84 Ratings. Page 1. Page 2. Page 3. EM84 page sheet date. 1. 1. 2. 2. 3. FP. EM80 Datasheets. EM84/6FG6/6E3P. EM84/6FG6/6E3P . the latter version being used more particularly on FM receivers, such as EM84 6AL7GT then in.

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Applications Tuning Indicator on Domestic and Military radio receivers. The EAM86 are relatedto EM84s, except the bars are horizontal to the base wrapping around the tube barrel partlyrather than vertical.

To thank the Author because you find the post helpful or well done. This makes the bars quite small but makes the package smaller. The main benefit in reception was for FM radio where the exact tuning point was harder to determine than for AM. The “FA” code is always the firstThis command is used in the stream mode to stop transmissions from EM Single shadow side view “angel wings”.

Note eatasheet most of the miniature EMxxxs are side-view, while all the pres types are viewed from the end. Some models have a pentode.

Magic Eye Patterns

Data Input from system to EM Some are Ex-Equipment so may be dim as “Magic Eyes” wear quickly. Mullard themselves styled the EM84 as a voltage indicator to denote the greater precision of build than was required for the simple task of a tuning indication where only the maxima was important.


Dual sensitivity, dual control no amplifier. Side view single long vertical bar. There may be NOS surplus s still available.

A dataEM The moving coil meter was too expensive. Dual sensitivity, one shadow moves more. The anode of the second triode is called the target and within the electron stream is a deflector electrode designed to alter the path of dahasheet electron beam, it would normally be connected to the anode. Z The arrow near pin 7 indicates the viewing direction. Half illuminated, no overlap. Dual bargraph side view Bulbus Noval B9A.

A data report is sent atcan service the input or until the system receives a request to send a response from EM The optimum point for tuning was a minimum gap.

(PDF) EM84 Datasheet PDF Download – Indicateur Cathodique

No abstract text available Text: Here datashet an article on the 6AF6G explaining how to use the independent patterns. The basic EM series though are affordable. The rare 6T5, introduced by Arcturus and Sylvania inhas an annular ring shadow around its center, rather than the conventional angle shadow. It looks like a Two moving shadows, individually controlled. Datzsheet Exclamation mark, Battery Valve Radio. Being an “end view” type the bars are really quite small. Its datashee is octal,and it has a They have TWO control grids, each controlling the opening angle of its own dark wedge independently of the other.


The “FA” code is always the first response to any valid. Try Findchips PRO for em The system first check if EM is transmitting ,: There are 16 valid commands that transmits between the system and EM Some “end view” Magic eyes had side datassheet instead of pins.

Side view, meeting vertical bars single control. The “FA” code is always the first response to any valid input received from theDisable F5 This command is used in the stream mode to stop transmissions from EM Possibly put a 4.

The 6E5 uses a plain triode, while the 6G5 has a variable-mu triode to let it handle larger voltage swings. Sometimes called “Keyhole” Indicator.

The original use was in s to help people tune radio sets more accurately. In the EM84 the quiescent condition was two green bars, one at each end of the window. Type EM84 was first introduced in The was a common WWII