NOS NEC FIP80B5R 40x2 VFD Display 1pc for Ensoniq ESQ-1, SQ80, VFX, SD1, TS10/12

Description

Description:
The NEC FIP80B5R is an incredibly rare, vintage 40 x 2 alphanumeric, character vacuum
fluorescent
display (VFD) used in the
Ensoniq ESQ-1, SQ-80, VFX-SD, and other synthesizers/samplers
. The basic structure of a VFD is equivalent to a directly-heated triode vacuum tube. Anode segments with seven segments or any style of character configuration are applied with phosphor on a glass substrate, forming a vacuum vessel. Above the anode segments are control grids and filaments. After these electrodes are assembled, the inside is evacuated and the glass enclosure is sealed using low-melting point glass. For control and operation, normally an AC voltage is applied to the filament and then heated to a high temperature. VFDs are driven by either static or dynamic (multiplexed) charges. In static mode, only one grid controls all the segments. In dynamic mode, multiple grids selected by time-sharing control the segments. Characters or symbols are displayed depending on the grid selected to apply a positive voltage to the filament. Similar, desirable anode segments are selected to apply the voltage. The electrodes that are not selected receive a negative voltage. The state potential of the grid and the anode segment can be lowered to a minus level, in reference to the filament potential, using a simple power circuit employing a Zener diode.
Condition:
New old stock -
NOT
pulls from working or dead machines.
Ordering:
For
quantities
greater than 4 pcs, please wait for us to invoice you the actual shipping costs before paying!
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Founded in 2014, Legacy Electronic Solutions is a specialty components distributor and manufacturer of custom solutions for professional audio equipment. Our unique catalog of parts and unparalleled customer service is what makes us the preferred supplier for studios, producers, engineers, and hobbyists.
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