1. One of the essential components
in a vacuum tube.
4. Greek letter designating
7. Malt beverage.
Device used to increase power, voltage, or current of
12. Familiar trio in Ohm's Law.
Mighty African river.
14. Move a TV camera to keep
it trained on the subject.
15. The tube electrode
to which the main electron stream flows.
prevention of vibration by some means.
20. Part of the eye.
To vary the amplitude, frequency, or phase of an oscillation,
usually at a signal frequency rate.
21. The male heir.
29. A term used to describe
a terminal which has more electrons than normal.
30. A small spring-like clamp.
31. Plate current,
in the tube manual.
32. An antenna which is an integral
part of a radio or TV receiver.
39. Keyboard instrument.
42. de Forest.
43. Type of insulation.
44. Resistance network
used in coupling two impedances.
45. Miniature receiving
tube having nine pins.
48. Water-cooled tetrode
capable of providing continuous operation at 50 kW or
more in the u.h.f. region.
1. Gaseous radioactive products formed
by the expulsion of an alpha particle from radium, thorium
X, or actinium X.
2. Small coil used
to measure a magnetic field.
3. An element
combined with oxygen.
4. An oil used
Storage of components until their characteristics have
become stable and constant.
of time (abbr.) .
11. General term
applied to receivers.
12. Prefix meaning "on".
13. Moved rapidly on foot.
17. For example (abbr.)
23. World peace-keeping organization
24. Long-nosed metal clip.
the volume range of an audio-frequency signal.
Cut of type of crystal used for r.f. transmitters between
500 kHz and 10 MHz.
33. Massive government agency (abbr.).
matching device used to permit efficient coupling of
transmitter having unbalanced output to antenna having
balanced transmission line.
General and ex-President.
37. A test.
40. Fish eggs.
of communications system (abbr.).