- The
pentagrid converter is a type of
radio receiving valve (vacuum tube) with five
grids used as the
frequency mixer stage of a
superheterodyne radio...
-
method to
parameterize the tilings, but
other methods use
Ammann bars,
pentagrids, or cut and
project schemes. In 1996,
German mathematician Petra Gummelt...
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Diode or
rectifier tube
Amplification Triode Tetrode Pentode Hexode Pentagrid (Heptode)
Octode Traveling-wave tube
Klystron Oscillation Magnetron Reflex...
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replacement for the MX40
pentagrid converter. X61, X61M = 6J8G –
British triode/heptode mixer,
octal based. X63 = 6A8 –
Heptode pentagrid converter,
octal based...
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others are
filtered out. The same
result was
achieved historically by the
pentagrid converter or a
triode and
hexode in a
single tube, but can be implemented...
- 6A8
pentagrid converter with grid 4 on the top cap...
-
Barretter Compactron Diode Fleming valve Neutron tube ****de
Nuvistor Pentagrid (Hexode, Heptode, Octode)
Pentode Photomultiplier Phototube Tetrode Triode...
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Electronics portal Frequency multiplier Subharmonic mixer Product detector Pentagrid converter Beam
deflection tube Ring
modulation Gilbert cell
Optical heterodyne...
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Barretter Compactron Diode Fleming valve Neutron tube ****de
Nuvistor Pentagrid (Hexode, Heptode, Octode)
Pentode Photomultiplier Phototube Tetrode Triode...
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require a
local oscillator and mixer,
combined in the
function of a
single pentagrid converter tube.
Various alternatives such as
using a
combination of a...
