Audionet AMP III Manual del usuario - Página 9

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Specialities

Construction

For optimizing the High-Frequency capabilities Audionet consequently

uses Surface-Mounted Devices (SMD). As a result the faster and more

compact circuits enable the engineer to use low-straw and extreme short

wiring. The very good damping factor is a result of this, for instance.

Power supply

There are separate transformer windings and filters for pre- and power

circuitry to ensure maximum load-independence. The main transformer is

rated 700VA and drives two load capacitors from "Audionet"

(2x41.000µF). All 16 rectifying diodes are ultra-fast "schottky"-types.

Microcontroller

The AMP III is controlled and supervised by a powerful Infineon micro-

controller. It checks the mains phase, detects errors of the power stages in

time and indicates the cause unambiguously. Of course it is driven by an

oversized power supply of its own.

Circuitry

In the input stage Audionet employs a low-noise monolithic Dual-FET. A

dual differential gain stage follows feeding multiple bootstrapped emit-

ter-followers, which decouple the power stages from the voltage gain

stages perfectly.

A fast arithmetic correction circuit locally ensures that distortion of the

power stages is eliminated at once. The fast American "IR" Power-

MOSFET-Transistors ensure powerful loudspeaker control and long term

stability.