Rainbow-electronics MAX5406 Bedienungsanleitung PDF herunterladen (Seite 18)

MAX5406

Audio Processor with Pushbutton Interface

18 ______________________________________________________________________________________

Alternatively, the following formulas can be used to cal-

culate and design for the bass and treble turn-

over frequencies:

where R

is nominally 40kΩ (see Figure 7).

Tables 3 and 4 show the effects of the external bass and

treble capacitance on the maximum output attentuation.

RR C

TREBLE TURNOVER

TB T

()

×+×

2π

BASS TURNOVER

()

××

2π

-1

LMR

AMBLI AMBRI

Figure 8. Matrix Surround Configuration

-1

LMR

AMBLI AMBRI

AMBIENCE

NETWORK

Figure 9. Ambience Filter

B_1

T_1

B_2

T_2

_SP

BUFFER

INPUT

TREBLE POT

BASS POT

TO BIAS

40kΩ 116kΩ 40kΩ

3.5kΩ 17kΩ 3.5kΩ

_OUT

Figure 7. Bass/Treble Output Stage

-1

LPR

AMBLI AMBRI

PSEUDOSTEREO

NETWORK

Figure 10. Pseudostereo Filter

(nF) CUT (dB) BOOST (dB)

0.00 -11.79 11.81

0.47 -11.25 11.26

1.80 -11.05 11.08

2.20 -10.95 10.96

2.70 -10.85 10.86

3.30 -10.60 10.62

4.70 -10.57 10.55

6.80 -10.10 10.15

8.20 -9.66 9.66

Table 3. Effect of Base Tone Control

Capacitor (C

_) on Bass Boost/Bass

Cut at 100Hz

(nF) CUT (dB) BOOST (dB)

0.47 -7.80 7.66

1.80 -12.55 12.58

2.20 -12.89 12.95

2.70 -13.15 13.18

3.30 -13.33 13.34

4.70 -13.55 13.58

6.80 -13.59 13.61

8.20 -13.61 13.63

Open -13.79 13.75

Table 4. Effect of Treble Tone Control

Capacitor (C

_) on Treble Boost/Treble

Cut at 10kHz

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 24 25 26

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