Input amplifier, class-A TV Multimedia">Amplifier and pure complementary This circuit is a simplified ICL circuit consisting of FET ICL TV Multimedia">Equalizer WITH FET CIRCUIT Thus enabling fine adjustment of tonal quality.Ĥ. TV Multimedia">Amplifier is of the ICL (input capacitorless) type to adjustīass and treble tones up to ☗.5 dB at about 1.5 dB steps, This controlĬircuit is so called BAX type NF control circuit thatĪssures high stability and low distortion. TV Multimedia">Amplifier and bass/treble control circuit. The tone control circuit has FET at the first stage it alsoĬontains dual power supply unit, 2-stage direct-coupled flat Transistorized power voltage regulator to improve theĬircuit operation stability and the quality of sound. Power supply unit for the preamplifier is equipped with a Well as it assures reliable operation of the TV Multimedia">Amplifier. This power supply system eliminates dynamic crosstalk as TheĬombination of this transformer and a large filter capacitorįorms a dual power supply system to supply power to L and R Large sized El core to provide excellent regulation. This power supply system is of DPS (dual power supply) type SEPARATION OF LEFT AND RIGHT CHANNELS POWER SUPPLY To prevent the speakers from being damaged. Output terminal, the protective circuit turns off the relay If DC voltage exceeding specified limit is developed at the Type pure complementary circuit to improve the power supplyĮfficiency and to obtain high output power. The power TV Multimedia">Amplifier stage consists of an inverted Darlington Mirror circuit increases the gain at the first stage and
To which a current mirror circuit is loaded. The first stage is a transistorized differential TV Multimedia">Amplifier Inverted Darlington type pure complementary circuit. Load differential amplifier, a class-A amplifier, and an The power TV Multimedia">Amplifier section is composed of a current mirror LOW DISTORTION POWER TV Multimedia">Amplifier SECTION ■ Output power over the specified frequency range at 1 dB gain compressionġ. ■ input match over the specified frequency range ■ Gain variation over the specified frequency range ■ Minimum gain over the specified frequency range This application note describes how these features can be applied to more thoroughly test amplifiers in less time.īelow is a list of amplifier characteristics that are commonly measured with a scalar analyzer:
The Wiltron 5400A Series Scalar Measurement Systems offer many features for characterizing microwave amplifiers.