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47pF
10K
10K
10uF
2
PL
_
+
1
5532
U1A
3
+
10K
47pF
10K
10uF
2
PR
_
+
1
5532
U1A
3
+
Audio
Bus
47pF
10K
10uF
AL
2
_
+
1
5532
U1A
3
+
47pF
10K
10uF
AR
2
+
_
1
5532
U1A
3
+
Phone
Channel
Pgm
Aud
Mic
Talkback
to Caller
DB15
From
Pin 12
Ch 1 Mic
Talkback
Preamp
audio out
ARC Console
(-2dB)
47pF
10uF
10K
+
10K
10uF
511
2
_
+
1
5532
U1A
3
+
47pF
10K
10uF
+
10K
511
10uF
2
_
+
1
5532
U1A
3
+
(-2dB)
10K
47pF
10uF
+
10K
10K
(-2dB)
511
10uF
2
_
+
10K
1
5532
U1A
3
+
47pF
10uF
10K
+
10K
10uF
511
2
_
+
1
5532
U1A
3
+
5VDC
16
10K
9
Vdd
ctrl
5
X
4
CD4053
X/Y
U3C
10uF
3.24K
3
+
Y
10uF
11
12
ctrl
+
X
14
CD4053
X/Y
U3A
10K
13
6
Y
inh
-5VDC
7
10uF
10
Vee
2
ctrl
+
X
15
CD4053
X/Y
U3B
10K
1
Y
Vss
8
Output Schematic
Av= -13 to + 20dB
100K
10pF
(-2dB)
10K
2.2K
2
_
+
1
5532
10uF
U1A
3
+
(-2dBu = 1.7VPtoP)
100K
10pF
10K
2.2K
2
_
+
1
5532
10uF
U1A
3
+
(Av= -8dB)
12.1K
8.25K
(Av= -8dB)
12.1K
8.25K
6
_
PL
5532
U1A
5
PR
+
to
AL
Monitor &
AR
Mono Mix
(Av= -8dB)
12.1K
8.25K
6
_
(Av= -8dB)
5532
U1A
5
+
12.1K
8.25K
6.81K
1N914
10K
6.81K
HP1
10K
1N914
HA1
Av= -13 to + 20dB
47pF
10pF
4.7K
100K
2.2K
2
_
+
10K
1
2
5532
_
+
10uF
U1A
1
5532
3
10uF
+
U1A
3
+
(-2dB)
47pF
OUTPUTS
10K
10K
2
_
47 ohm
1
5532
U1A
3
+
PL
47 ohm
47pF
-15 to +18dBu unbal
10K
10K
2
_
47 ohm
1
5532
U1A
3
+
PR
47 ohm
2
_
PL
1
5532
U1A
3
+
47 ohm
47 ohm
7
PR
(-10dBu = 0.7VPtoP)
2
_
1
AL
5532
U1A
3
47 ohm
+
47 ohm
AR
7
10K
TB to
Caller
+5 VDC
TO HYBRID
47pF
10K
Balanced
10K
2
_
1
5532
-15 to +18dBu unbal
U1A
3
47 ohm
-9 to + 24dBu bal
+
47 ohm
(Max out = +25dBu)
(+4dBu =3.5VPtoP)
Arrakis Systems
Rev A
1.27
+4 dBu
Balanced
trim adjust
-9 to + 24dBu bal
(Max out = +25dBu)
(+4dBu =3.5VPtoP)
-10 dBu
unbal
(Max out = +19dBu)
-10 dBu
unbal
+4 dBu
trim adjust
5/21/2007
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