pseudo-, quasi- semi- and. Pseudo- comes from the Greek for false/lie and refers particularly to something not genuine. Quasi- comes from the Latin for almost and refers to something that is almost something else. Semi- is the Latin for half and refers to something that is half-something else In late usage, however, all three have been used to mean sort-of-.
2 Channel Amplifiers. 2 channel amps, or stereo amplifiers, are simple solution for upgrading a car audio/stereo system. As a general rule, 2-channel amps are intended to output sound that can be faded between a left speaker and a right speaker, however; many stereo amplifiers can be to power a car subwoofer. Recently Viewed.
Troubleshooting the RF Amplifier Stage. Function: Many receivers incorporate a stage of RF amplification ahead of the converter stage. It is the first stage in the signal path. The RF stage receives signals from the antenna, tunes the desired signal, amplifies it, and passes it on to the converter. The RF stage provides several advantages. 1  Increased sensitivity. 2  Increased selectivity. 3  Improved AVC (Automatic Volume Control) action. 4  Elimination of image-frequency response - peculiar to superhetrodyne receivers.