an6077 Datasheet, PDF (6/11 Pages) Intersil Corporation – An IC Operational Transconductance Amplifier With Power Capability

Application Note 6077
“BOOST” ^R20
C₁₀ ^(CW) 15K
“CUT”
(CCW)
C₇ R₇
0.01µF 820Ω
0.12µF ^R8
1800Ω
R₉
68Ω C₉
TREBLE
C₈
0.001µF
0.001µF
5600Ω
-
5µF
+
220Ω
1W
220Ω
1W
C₁
E_S
R₁
7
2-
3pF
1
30Ω
27Ω
CA3094
8
3
+
5
R₆
680K
6
4
1Ω
0.47
µF
C₃
15µF
+
+
- ^4700µF
Q₁
-
2N6292
+
0.47Ω
Q₃
2N6292
0.47Ω
Q₂
2N6107
4700
µF
R₁₁
330Ω
R₁₂
47Ω
D₁
D₂
D₃
D₄
R₂
1.8MΩ
120V AC TO
T_{1 26.8VCT AT 1A}
120V AC
C₆
25µF
+_-
C₅
0.2µF
R₅
1K
C₄
BASS ^0.02µF
“BOOST” R₄ “CUT” R₃
(CW) 100K (CCW) 10K
C₂
0.47µF
JUMPER
FIGURE 14. A COMPLETE POWER AMPLIFIER USING THE CA3094 AND THREE ADDITIONAL TRANSISTORS
+36V
V_CC
100K
220K
5%
220K
5%
0.12µF
68
1.8K
0.22µF
220K
25µF
1/2V_CC
25µF
1/2V_CC
-+
0.2µF
1K
TREBLE
15K
R₅
1.2M
0.01µF
820
0.001µF
5.6K
5µF
5
2
7
CA3094
R₁
220Ω
1W + _-
R_{2 15µF}
220Ω
1W
Q₁
R₃
2N6292
30Ω 0.47Ω
1500µF
Q₃
+-
R₄ ^2N6292
27Ω
330
0.47Ω
Ω
8
3
6
1
4
1Ω
Q₂
47Ω
2N6107
0.47µF
0.02µF
3pF
100K 10K
47K
BASS
FIGURE 15. A POWER AMPLIFIER OPERATED FROM A SINGLE SUPPLY
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