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TECHNICAL DESIGN FEATURES
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◆ TRANS•ANA (TRANSconductance Active
Nodal Amplifier)
The
TRANS•ANA
(TRANSconductance Active Nodal Amplifier)
is a circuit that allows the audio signal to pass through the
amplifier at
low voltage
. The signal is directly level-shifted to the
fixed high voltage rails via a pair of driver transistors. Signal
linearity is assured by an
active node
formed by the driver
transistors at ultrasonic frequencies. This allows amplifier perfor-
mance similar to trans•
nova
which is highly stable and linear
while utilizing the advantages of a non-floating power supply.
THE RESULT: An extended frequency bandwidth accurately
supplied to the output stages of the amplifier.
◆ TOPAZ (Tracking Operation Pre-Amplifier Zone)
The
TOPAZ
(Tracking Operation Pre-Amplifier Zone) circuitry
solves ground loop noise problems common to automotive
amplifier design. This innovative new development allows vastly
improved isolation of the input signal grounds from the power
supply ground of the amplifier. This is accomplished by allowing
the source unit to control the potential “environment” of the
entire input structure or “zone” of the amplifier. This process
improves the noise rejection of the amplifier by 30-40dB – an
astounding 30-100 times better than amplifiers without TOPAZ.
THE RESULT: Elimination of troublesome ground loop noise
between source and amplifier.