different between tetrode vs heptode

tetrode

English

Etymology

tetra- +? -ode

Noun

tetrode (plural tetrodes)

  1. A thermionic valve similar to a triode with the addition of a screen grid to protect the control grid.
  2. A dynatron.
  3. A dual-gate MOSFET.

Derived terms

  • beam tetrode, w:kinkless tetrode

Related terms

  • diode
  • triode
  • pentode
  • -ode

Translations

tetrode From the web:

  • what is tetrode valve
  • what does tetrode mean
  • what are tetrode used for
  • what is tetrode technology
  • what is tetrode definition
  • what is triode tetrode
  • what are beam tetrode
  • what makes a tetrode


heptode

English

Etymology

hept- +? -ode

Noun

heptode (plural heptodes)

  1. A compound thermionic valve containing a triode and tetrode; was used in superheterodyne radio receivers.

Translations

See also

  • pentagrid converter

heptode From the web:

  • what does heptode mean
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