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LINE-PULSING MODULATOR—Circuit that stores energy and forms pulses in the same circuit element,
usually the pulse-forming network (pfn) [18].
LIN-LOG AMPLIFIER—An amplifier in which the response is linear for weak signals and logarithmic for
large signals [18].
LIQUID—One of the three states of matter. It has a definite volume but no definite form (water is a liquid)
[1].
LIQUID-COOLING SYSTEM—Source of cooling for high-heat producing equipments, such as
microwave components, radar repeaters, and transmitters [18].
LISSAJOUS PATTERN—A combined, simultaneous display of the amplitude and phase relationships of
two input signals on a CRT [17].
LOAD—(1) A device through which an electric current flows and which changes electrical energy into
another form. (2) Power consumed by a device or circuit in performing its function [1] [13].
LOAD END—See OUTPUT END [10].
LOADING—See LUMPED-IMPEDANCE TUNING [10].
LOADING EFFECT—The effect of a voltmeter upon the circuit being measured that results in an
inaccurate measurement. Loading effect is minimized by using a voltmeter with an internal resistance
many times higher than the resistance of the circuit being measured [3].
LOAD ISOLATOR—A passive attenuator in which the loss in one direction is much greater than that in
the opposite direction. One example is a ferrite isolator for waveguides that allows energy to travel in
only one direction [11].
LOBE—An area of greater signal strength in the transmission pattern of an antenna [10] [18].
LOCAL ACTION—A continuation of current flow within a battery cell when there is no external load.
Caused by impurities in the electrode [1].
LOGARITHMIC RECEIVER—Receiver that uses a linear logarithmic amplifier (lin-log) instead of a
normal linear amplifier [18].
LOGIC—The basic principles and applications of truth tables, interconnections of off-on circuit elements,
and other factors involved in mathematical computation in automatic data processing systems and other
devices [13].
LOGIC CIRCUIT—The primary control information processor in digital equipment; made up of electronic
gates and so named because their operation is described by simple equations of a specialized logic
algebra [13].
LOGIC DIAGRAM—In computers and data processing equipment, a diagram representing the logical
elements and their interconnections without necessarily expressing construction or engineering details
[13].
LOGIC ELEMENT—The smallest building blocks that can be represented by operators in an appropriate
system of symbolic logic. Typical logic elements are the AND-gate and the flip-flop, which can be
represented as operators in a suitable symbolic logic. Also a device that performs the logic function
[13].
