Up: Mixer Unit
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Taking audio specifications in to account, overall system gain
structure diagrams have been constructed. Figure
28 depicts the input gain structure for a
single channel. Included in this section is gain reduction for a
balanced input, adjustable trim control, and an overall gain reduction
before passing to the next stage.
Figure 29 depicts the gain structure for the mix
stage of the mixer unit. This stage only attenuates the input signal,
up to 63dB, as per the high-level specification.
Mixer unit gain structure diagram, input section.
Figure 30 shows the gain structure for the
output stage. Note a constant input section gain, and a constant gain
on the balanced outputs.
Mixer unit gain structure diagram, mixer section.
Mixer unit gain structure diagram, output section.
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