Ten-Tec 1253 Assembly And Instruction Manual page 16

Potentiometer, "pot" ► a variable resistor (see also Trimmer).
Regeneration, Regenerative ► a method of boosting the performance of a simple
detector by feeding the detected signal back to the the input of the detector for
further amplifying. This oscillation process must be adjusted carefully by using a
regeneration potentiometer control.
RF ►radio Frequency energy, in contrast to audio or DC.
RTTY ► "Radio Teletype"
Superhet, superheterodyne ► the most common type of receiver, in which the
incoming signal is converted one or more times to other "intermediate" frequencies
before being amplified. Proper operation requires more "alignment" (see above) than is
usually practical for beginners.
SSB, Single Sideband ► a method of voice transmission which eliminates the carrier
(whistle) which you hear in an AM broadcast if the Regeneration control is turned too far
to the right.
Tin (in soldering) ►To coat a wire, cable shield or other surface with a thin coating of
solder in order to make future soldering easier.
Tolerance ► the manufacturing accuracy for electronic {and other} parts. Tolerance
ranges from 20% down to better than 1% of the value marked on the part.
Trimmer ► a miniaturized variable resistor or capacitor used for occasional circuit
adjustments.
Varactor, varactor diode ► a diode whose capacitance can be decreased in step
with how much DC voltage is applied to it, therefore performing the same tuning
function as an air-variable capacitor.
Vcc ► Voltage supplied to the collector of a transistor, roughly equivalent to "B+" in
vacuum tube circuits. In general usage, Vcc refers to the main DC voltage in a
circuit.
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