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5
4
3
2
1
D
D
SAMPLE RATE
1 2 3
C
WORD CLOCK
1 2 3 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J17 CON20
4 5 6 7 8 -16.5V 8 SW11 SPUJ12L-2 5
6 7 R334 4.99K
SW12 SPUJ12L-2
1 2 3 4 J18 CON4
CHANNEL8CHANNEL8+ CHANNEL7CHANNEL7+ CHANNEL6CHANNEL6+ CHANNEL5CHANNEL5+ CHANNEL4CHANNEL4+ CHANNEL3CHANNEL3+ CHANNEL2CHANNEL2+ CHANNEL1CHANNEL1+
C
B
B
A
A
Title
DIGIMAX Sample Rate/WCLK Switches
Size C Date:
5 4 3 2
Document Number 400-DMAXP/L Tuesday, August 22, 2000
1
Rev A Sheet 1 of 9
5
4
3
2
1
D
D
CLIP
D50 L-1154GD R335 4.99K 1
SIGNAL PRESENT
D51 L-1154GD U29A TL084 4 + 2 3 +16.5V -16.5V 11 + 6 5 R336 4.99K 7 U29B TL084 4 +16.5V
LIMIT
Q38 MMBT3904 D52 L-1154GD R337 4.99K 8 U29C TL084 4 + 10 9 +16.5V
R294 10K 1 2
2
1 3 +16.5V
3
4 5 6
R295 1K
R296 9.09K -16.5V -16.5V 11
PAD8
-16.5V
8
7 R297 4.99K
-16.5V
11
SW10 SPUJ12L-2
11
LIMIT8
4
+16.5V
C
J16 CON9 1 2 3 4 5 6 7 8 9 +16.5V PAD8 C232 47uF/35VNP R307 20K 25 1 2 3 8 14 6 15 16 27 17 21 26 29 30 28
ECEC+ SYM OA2_INV OA2_OUT OA2_NONINV GND
OUT8 D53 MMBD914 3 1 R319 20K +16.5V 1 D54 MMBD914 + 3
9 R320 10 11 C239 0.1uF 1K R317 20K
3
4
-16.5V
+16.5V
11
18 C240 10uF/25V
4
VEE
CT
IT
12
1uF/50V 7
13
+16.5V 12 C242 10uF/25V R324 10K
4
+
B
+
4
C243
R325 2M -16.5V
+16.5V -16.5V
C244 47pF R326 4.99K RMS8 R327 100K -16.5V LIMIT8 R329 49.9K 9 10 11
C245 47pF +16.5V
R328 10K -16.5V -16.5V
-16.5V +16.5V 11 C246 0.1uF 14 U32D TL084 -16.5V +16.5V R332 49.9K C256 1uF/50V GND C251 0.1uF C252 10uF/25V C253 0.1uF C254 10uF/25V C255 0.1uF C247 10uF/25V C248 0.1uF C249 10uF/25V C250 0.1uF 5 6
4
+ -
7 U31B MC33079
U32C TL084
R331 10K
U32A TL084
4
+16.5V +16.5V
4
+16.5V
A
4
4
5
+
3
4
+
1
5
U32B TL084
+
-
8
2
-
6
7
12
-16.5V
11
-
D55 MMBD914 3 1
R330 10K
11
D56 MMBD914 1 3
11
13
Title
DIGIMAX Peak Limiter Channel 8
Size C Date:
3 2
Document Number 400-DMAXP/L Tuesday, August 22, 2000
1
+
-
13
11
VCC
R322 10K
+
3
-
+
-16.5V
23 22
2
RV8 50KPOT
OUT8
10
-
C234 47uF/35VNP
R311 20K
0% 1
11
+
RMS8
12
-
13
R300 150K 14 U29D TL084 +16.5V R302 49.9K R303 10K R304 56.2K -16.5V R301 1K -16.5V
C
C230 U30 THAT4301 VCA_IN NC NC RMS_IN NC NC RMS_OUT NC NC OA1_INV NC NC OA1_OUT NC NC OA1_NONINV VCA_OUT OA3_OUT 20 R308 19
47pF 1 2 3 R310 51R1 MC33079 U31C 8 R312 4.99K -16.5V CHANNEL8+ R318 10K 1 -16.5V U31A MC33079 R323 10K C237 10uF/25VNP C236 47pF C235 10uF/25VNP 9 CHANNEL8J15 CON3
-16.5V 20K +16.5V
C233 47pF
R306 51R1
C231 47uF/35VNP
R309 49.9K
RMS8
24
R313 51R1
R314 301K
R321 10K 2
14 U31D MC33079
B
+
-
A
Rev A Sheet 2 of 9
5
4
3
2
1
D
D
CLIP
D43 L-1154GD R338 4.99K 1
SIGNAL PRESENT
D44 L-1154GD U25A TL084 4 + 2 3 +16.5V -16.5V 11 + 6 5 R339 4.99K 7 U25B TL084 4 +16.5V
LIMIT
Q33 MMBT3904 D45 L-1154GD R340 4.99K 8 U25C TL084 4 + 10 9 +16.5V
R253 10K 1 2
2
1 3 +16.5V
3
4 5 6
R254 1K
R255 9.09K -16.5V -16.5V 11
PAD7
-16.5V
8
7 R256 4.99K
-16.5V
11
SW9 SPUJ12L-2
11
LIMIT7
4
+16.5V
C
J14 CON9 1 2 3 4 5 6 7 8 9 +16.5V PAD7 C200 47uF/35VNP R266 20K 25 1 2 3 8 14 6 15 16 27 17 21 26 29 30 28
ECEC+ SYM OA2_INV OA2_OUT OA2_NONINV GND
OUT7 D46 MMBD914 3 1 R278 20K +16.5V 1 D47 MMBD914 + 3
9 R279 10 11 C207 0.1uF 1K R276 20K
3
4
-16.5V
+16.5V
11
18 C208 10uF/25V
4
VEE
CT
IT
12
1uF/50V 7
13
+16.5V 12 C210 10uF/25V R283 10K
4
+
B
+
4
C211
R284 2M -16.5V
+16.5V -16.5V
C212 47pF R285 4.99K RMS7 R286 100K -16.5V LIMIT7 R288 49.9K 9 10 11
C213 47pF +16.5V
R287 10K -16.5V -16.5V
-16.5V +16.5V 11 C214 0.1uF 14 U28D TL084 -16.5V +16.5V R291 49.9K C224 1uF/50V GND C219 0.1uF C220 10uF/25V C221 0.1uF C222 10uF/25V C223 0.1uF C215 10uF/25V C216 0.1uF C217 10uF/25V C218 0.1uF 5 6
4
+ -
7 U27B MC33079
U28C TL084
R290 10K
U28A TL084
4
+16.5V +16.5V
4
+16.5V
A
4
4
5
+
3
4
+
1
5
U28B TL084
+
-
8
2
-
6
7
12
-16.5V
11
-
D48 MMBD914 3 1
R289 10K
11
D49 MMBD914 1 3
11
13
Title
DIGIMAX Peak Limiter Channel 7
Size C Date:
3 2
Document Number 400-DMAXP/L Tuesday, August 22, 2000
1
+
-
13
11
VCC
R281 10K
+
3
-
+
-16.5V
23 22
2
RV7 50KPOT
OUT7
10
-
C202 47uF/35VNP
R270 20K
0% 1
11
+
RMS7
12
-
13
R259 150K 14 U25D TL084 +16.5V R261 49.9K R262 10K R263 56.2K -16.5V R260 1K -16.5V
C
C198 U26 THAT4301 VCA_IN NC NC RMS_IN NC NC RMS_OUT NC NC OA1_INV NC NC OA1_OUT NC NC OA1_NONINV VCA_OUT OA3_OUT 20 R267 19
47pF 1 2 3 R269 51R1 MC33079 U27C 8 R271 4.99K -16.5V CHANNEL7+ R277 10K 1 -16.5V U27A MC33079 R282 10K C205 10uF/25VNP C204 47pF C203 10uF/25VNP 9 CHANNEL7J13 CON3
-16.5V 20K +16.5V
C201 47pF
R265 51R1
C199 47uF/35VNP
R268 49.9K
RMS7
24
R272 51R1
R273 301K
R280 10K 2
14 U27D MC33079
B
+
-
A
Rev A Sheet 3 of 9
5
4
3
2
1
D
D
CLIP
D36 L-1154GD R341 4.99K 1
SIGNAL PRESENT
D37 L-1154GD U21A TL084 4 + 2 3 +16.5V -16.5V 11 + 6 5 R342 4.99K 7 U21B TL084 4 +16.5V
LIMIT
Q28 MMBT3904 D38 L-1154GD R343 4.99K 8 U21C TL084 4 + 10 9 +16.5V
R212 10K 1 2
2
1 3 +16.5V
3
4 5 6
R213 1K
R214 9.09K -16.5V -16.5V 11
PAD6
-16.5V
8
7 R215 4.99K
-16.5V
11
SW8 SPUJ12L-2
11
LIMIT6
4
+16.5V
C
J12 CON9 1 2 3 4 5 6 7 8 9 +16.5V PAD6 C168 47uF/35VNP R225 20K 25 1 2 3 8 14 6 15 16 27 17 21 26 29 30 28
ECEC+ SYM OA2_INV OA2_OUT OA2_NONINV GND
OUT6 D39 MMBD914 3 1 R237 20K +16.5V 1 D40 MMBD914 + 3
9 R238 10 11 C175 0.1uF 1K R235 20K
3
4
-16.5V
+16.5V
11
18 C176 10uF/25V
4
VEE
CT
IT
12
1uF/50V 7
13
+16.5V 12 C178 10uF/25V R242 10K
4
+
B
+
4
C179
R243 2M -16.5V
+16.5V -16.5V
C180 47pF R244 4.99K RMS6 R245 100K -16.5V LIMIT6 R247 49.9K 9 10 11
C181 47pF +16.5V
R246 10K -16.5V -16.5V
-16.5V +16.5V 11 C182 0.1uF 14 U24D TL084 -16.5V +16.5V R250 49.9K C192 1uF/50V GND C187 0.1uF C188 10uF/25V C189 0.1uF C190 10uF/25V C191 0.1uF C183 10uF/25V C184 0.1uF C185 10uF/25V C186 0.1uF 5 6
4
+ -
7 U23B MC33079
U24C TL084
R249 10K
U24A TL084
4
+16.5V +16.5V
4
+16.5V
A
4
4
5
+
3
4
+
1
5
U24B TL084
+
-
8
2
-
6
7
12
-16.5V
11
-
D41 MMBD914 3 1
R248 10K
11
D42 MMBD914 1 3
11
13
Title
DIGIMAX Peak Limiter Channel 6
Size C Date:
3 2
Document Number 400-DMAXP/L Tuesday, August 22, 2000
1
+
-
13
11
VCC
R240 10K
+
3
-
+
-16.5V
23 22
2
RV6 50KPOT
OUT6
10
-
C170 47uF/35VNP
R229 20K
0% 1
11
+
RMS6
12
-
13
R218 150K 14 U21D TL084 +16.5V R220 49.9K R221 10K R222 56.2K -16.5V R219 1K -16.5V
C
C166 U22 THAT4301 VCA_IN NC NC RMS_IN NC NC RMS_OUT NC NC OA1_INV NC NC OA1_OUT NC NC OA1_NONINV VCA_OUT OA3_OUT 20 R226 19
47pF 1 2 3 R228 51R1 MC33079 U23C 8 R230 4.99K -16.5V CHANNEL6+ R236 10K 1 -16.5V U23A MC33079 R241 10K C173 10uF/25VNP C172 47pF C171 10uF/25VNP 9 CHANNEL6J11 CON3
-16.5V 20K +16.5V
C169 47pF
R224 51R1
C167 47uF/35VNP
R227 49.9K
RMS6
24
R231 51R1
R232 301K
R239 10K 2
14 U23D MC33079
B
+
-
A
Rev A Sheet 4 of 9
5
4
3
2
1
D
D
CLIP
D29 L-1154GD R344 4.99K 1
SIGNAL PRESENT
D30 L-1154GD U17A TL084 4 + 2 3 +16.5V -16.5V 11 + 6 5 R345 4.99K 7 U17B TL084 4 +16.5V
LIMIT
Q23 MMBT3904 D31 L-1154GD R346 4.99K 8 U17C TL084 4 + 10 9 +16.5V
R171 10K 1 2
2
1 3 +16.5V
3
4 5 6
R172 1K
R173 9.09K -16.5V -16.5V 11
PAD5
-16.5V
8
7 R174 4.99K
-16.5V
11
SW7 SPUJ12L-2
11
LIMIT5
4
+16.5V
C
J10 CON9 1 2 3 4 5 6 7 8 9 +16.5V PAD5 C136 47uF/35VNP R184 20K 25 1 2 3 8 14 6 15 16 27 17 21 26 29 30 28
ECEC+ SYM OA2_INV OA2_OUT OA2_NONINV GND
OUT5 D32 MMBD914 3 1 R196 20K +16.5V 1 D33 MMBD914 + 3
9 R197 10 11 C143 0.1uF 1K R194 20K
3
4
-16.5V
+16.5V
11
18 C144 10uF/25V
4
VEE
CT
IT
12
1uF/50V 7
13
+16.5V 12 C146 10uF/25V R201 10K
4
+
B
+
4
C147
R202 2M -16.5V
+16.5V -16.5V
C148 47pF R203 4.99K RMS5 R204 100K -16.5V LIMIT5 R206 49.9K 9 10 11
C149 47pF +16.5V
R205 10K -16.5V -16.5V
-16.5V +16.5V 11 C150 0.1uF 14 U20D TL084 -16.5V +16.5V R209 49.9K C160 1uF/50V GND C155 0.1uF C156 10uF/25V C157 0.1uF C158 10uF/25V C159 0.1uF C151 10uF/25V C152 0.1uF C153 10uF/25V C154 0.1uF 5 6
4
+ -
7 U19B MC33079
U20C TL084
R208 10K
U20A TL084
4
+16.5V +16.5V
4
+16.5V
A
4
4
5
+
3
4
+
1
5
U20B TL084
+
-
8
2
-
6
7
12
-16.5V
11
-
D34 MMBD914 3 1
R207 10K
11
D35 MMBD914 1 3
11
13
Title
DIGIMAX Peak Limiter Channel 5
Size C Date:
3 2
Document Number 400-DMAXP/L Tuesday, August 22, 2000
1
+
-
13
11
VCC
R199 10K
+
3
-
+
-16.5V
23 22
2
RV5 50KPOT
OUT5
10
-
C138 47uF/35VNP
R188 20K
0% 1
11
+
RMS5
12
-
13
R177 150K 14 U17D TL084 +16.5V R179 49.9K R180 10K R181 56.2K -16.5V R178 1K -16.5V
C
C134 U18 THAT4301 VCA_IN NC NC RMS_IN NC NC RMS_OUT NC NC OA1_INV NC NC OA1_OUT NC NC OA1_NONINV VCA_OUT OA3_OUT 20 R185 19
47pF 1 2 3 R187 51R1 MC33079 U19C 8 R189 4.99K -16.5V CHANNEL5+ R195 10K 1 -16.5V U19A MC33079 R200 10K C141 10uF/25VNP C140 47pF C139 10uF/25VNP 9 CHANNEL5J9 CON3
-16.5V 20K +16.5V
C137 47pF
R183 51R1
C135 47uF/35VNP
R186 49.9K
RMS5
24
R190 51R1
R191 301K
R198 10K 2
14 U19D MC33079
B
+
-
A
Rev A Sheet 5 of 9
5
4
3
2
1
D
D
CLIP
D22 L-1154GD R347 4.99K 1
SIGNAL PRESENT
D23 L-1154GD U13A TL084 4 + 2 3 +16.5V -16.5V 11 + 6 5 R348 4.99K 7 U13B TL084 4 +16.5V
LIMIT
Q18 MMBT3904 D24 L-1154GD R349 4.99K 8 U13C TL084 4 + 10 9 +16.5V
R130 10K 1 2
2
1 3 +16.5V
3
4 5 6
R131 1K
R132 9.09K -16.5V -16.5V 11
PAD4
-16.5V
8
7 R133 4.99K
-16.5V
11
SW6 SPUJ12L-2
11
LIMIT4
4
+16.5V
C
J8 CON9 1 2 3 4 5 6 7 8 9 +16.5V PAD4 C104 47uF/35VNP R143 20K 25 1 2 3 8 14 6 15 16 27 17 21 26 29 30 28
ECEC+ SYM OA2_INV OA2_OUT OA2_NONINV GND
OUT4 D25 MMBD914 3 1 R155 20K +16.5V 1 D26 MMBD914 + 3
9 R156 10 11 C111 0.1uF 1K R153 20K
3
4
-16.5V
+16.5V
11
18 C112 10uF/25V
4
VEE
CT
IT
12
1uF/50V 7
13
+16.5V 12 C114 10uF/25V R160 10K
4
+
B
+
4
C115
R161 2M -16.5V
+16.5V -16.5V
C116 47pF R162 4.99K RMS4 R163 100K -16.5V LIMIT4 R165 49.9K 9 10 11
C117 47pF +16.5V
R164 10K -16.5V -16.5V
-16.5V +16.5V 11 C118 0.1uF 14 U16D TL084 -16.5V +16.5V R168 49.9K C128 1uF/50V GND C123 0.1uF C124 10uF/25V C125 0.1uF C126 10uF/25V C127 0.1uF C119 10uF/25V C120 0.1uF C121 10uF/25V C122 0.1uF 5 6
4
+ -
7 U15B MC33079
U16C TL084
R167 10K
U16A TL084
4
+16.5V +16.5V
4
+16.5V
A
4
4
5
+
3
4
+
1
5
U16B TL084
+
-
8
2
-
6
7
12
-16.5V
11
-
D27 MMBD914 3 1
R166 10K
11
D28 MMBD914 1 3
11
13
Title
DIGIMAX Peak Limiter Channel 4
Size C Date:
3 2
Document Number 400-DMAXP/L Tuesday, August 22, 2000
1
+
-
13
11
VCC
R158 10K
+
3
-
+
-16.5V
23 22
2
RV4 50KPOT
OUT4
10
-
C106 47uF/35VNP
R147 20K
0% 1
11
+
RMS4
12
-
13
R136 150K 14 U13D TL084 +16.5V R138 49.9K R139 10K R140 56.2K -16.5V R137 1K -16.5V
C
C102 U14 THAT4301 VCA_IN NC NC RMS_IN NC NC RMS_OUT NC NC OA1_INV NC NC OA1_OUT NC NC OA1_NONINV VCA_OUT OA3_OUT 20 R144 19
47pF 1 2 3 R146 51R1 MC33079 U15C 8 R148 4.99K -16.5V CHANNEL4+ R154 10K 1 -16.5V U15A MC33079 R159 10K C109 10uF/25VNP C108 47pF C107 10uF/25VNP 9 CHANNEL4J7 CON3
-16.5V 20K +16.5V
C105 47pF
R142 51R1
C103 47uF/35VNP
R145 49.9K
RMS4
24
R149 51R1
R150 301K
R157 10K 2
14 U15D MC33079
B
+
-
A
Rev A Sheet 6 of 9
5
4
3
2
1
D
D
CLIP
D15 L-1154GD R350 4.99K 1
SIGNAL PRESENT
D16 L-1154GD U9A TL084 4 + 2 3 +16.5V -16.5V 11 + 6 5 R351 4.99K 7 U9B TL084 4 +16.5V
LIMIT
Q13 MMBT3904 D17 L-1154GD R352 4.99K 8 U9C TL084 4 + 10 9 +16.5V
R89 10K 1 2
2
1 3 +16.5V
3
4 5 6
R90 1K
R91 9.09K -16.5V -16.5V 11
PAD3
-16.5V
8
7 R92 4.99K
-16.5V
11
SW5 SPUJ12L-2
11
LIMIT3
4
+16.5V
C
J6 CON9 1 2 3 4 5 6 7 8 9 +16.5V PAD3 C72 47uF/35VNP R102 20K 25 1 2 3 8 14 6 15 16 27 17 21 26 29 30 28
ECEC+ SYM OA2_INV OA2_OUT OA2_NONINV GND
OUT3 D18 MMBD914 3 1 R114 20K +16.5V 1 D19 MMBD914 + 3
9 R115 10 11 C79 0.1uF 1K R112 20K
3
4
-16.5V
+16.5V
11
18 C80 10uF/25V
4
VEE
CT
IT
12
1uF/50V 7
13
+16.5V 12 C82 10uF/25V R119 10K
4
+
B
+
4
C83
R120 2M -16.5V
+16.5V -16.5V
C84 47pF R121 4.99K RMS3 R122 100K -16.5V LIMIT3 R124 49.9K 9 10 11
C85 47pF +16.5V
R123 10K -16.5V -16.5V
-16.5V +16.5V 11 C86 0.1uF 14 U12D TL084 -16.5V +16.5V R127 49.9K C96 1uF/50V GND C91 0.1uF C92 10uF/25V C93 0.1uF C94 10uF/25V C95 0.1uF C87 10uF/25V C88 0.1uF C89 10uF/25V C90 0.1uF 5 6
4
+ -
7 U11B MC33079
U12C TL084
R126 10K
U12A TL084
4
+16.5V +16.5V
4
+16.5V
A
4
4
5
+
3
4
+
1
5
U12B TL084
+
-
8
2
-
6
7
12
-16.5V
11
-
D20 MMBD914 3 1
R125 10K
11
D21 MMBD914 1 3
11
13
Title
DIGIMAX Peak Limiter Channel 3
Size C Date:
3 2
Document Number 400-DMAXP/L Tuesday, August 22, 2000
1
+
-
13
11
VCC
R117 10K
+
3
-
+
-16.5V
23 22
2
RV3 50KPOT
OUT3
10
-
C74 47uF/35VNP
R106 20K
0% 1
11
+
RMS3
12
-
13
R95 150K 14 U9D TL084 +16.5V R97 49.9K R98 10K R99 56.2K -16.5V R96 1K -16.5V
C
C70 U10 THAT4301 VCA_IN NC NC RMS_IN NC NC RMS_OUT NC NC OA1_INV NC NC OA1_OUT NC NC OA1_NONINV VCA_OUT OA3_OUT 20 R103 19
47pF 1 2 3 R105 51R1 MC33079 U11C 8 R107 4.99K -16.5V CHANNEL3+ R113 10K 1 -16.5V U11A MC33079 R118 10K C77 10uF/25VNP C76 47pF C75 10uF/25VNP 9 CHANNEL3J5 CON3
-16.5V 20K +16.5V
C73 47pF
R101 51R1
C71 47uF/35VNP
R104 49.9K
RMS3
24
R108 51R1
R109 301K
R116 10K 2
14 U11D MC33079
B
+
-
A
Rev A Sheet 7 of 9
5
4
3
2
1
D
D
CLIP
D8 L-1154GD R353 4.99K 1
SIGNAL PRESENT
D9 L-1154GD U5A TL084 4 + 2 3 +16.5V -16.5V 11 + 6 5 R354 4.99K 7 U5B TL084 4 +16.5V
LIMIT
Q7 MMBT3904 D10 L-1154GD R355 4.99K 8 U5C TL084 4 + 10 9 +16.5V
R46 10K 1 2
2
1 3 +16.5V
3
4 5 6
R47 1K
R48 9.09K -16.5V -16.5V 11
PAD2
-16.5V
8
7 R49 4.99K
-16.5V
11
SW3 SPUJ12L-2 R52 10K 1 3 2 3 4 5 PHASE2 6 -16.5V 8 7 2 1
11
LIMIT2
4
+16.5V
C
J4 CON9 1 2 3 4 5 6 7 8 9 +16.5V PAD2 PHASE2 C40 47uF/35VNP R61 20K 25 1 2 3 8 14 6 15 16 27 17 21 26 29 30 28
ECEC+ SYM OA2_INV OA2_OUT OA2_NONINV GND
OUT2 D11 MMBD914 3 1 R73 20K +16.5V 1 D12 MMBD914 + 3
9 R74 10 11 C47 0.1uF 1K R71 20K
3
4
-16.5V
+16.5V
11
18 C48 10uF/25V
4
VEE
CT
IT
12
1uF/50V 7
13
+16.5V 12 C50 10uF/25V R78 10K
4
+
B
+
4
C51
R79 2M -16.5V
+16.5V -16.5V
C52 47pF R80 4.99K RMS2 R81 100K -16.5V LIMIT2 R83 49.9K 9 10 11
C53 47pF +16.5V
R82 10K -16.5V -16.5V
-16.5V +16.5V 11 C54 0.1uF 14 U8D TL084 -16.5V +16.5V R86 49.9K C64 1uF/50V GND C59 0.1uF C60 10uF/25V C61 0.1uF C62 10uF/25V C63 0.1uF C55 10uF/25V C56 0.1uF C57 10uF/25V C58 0.1uF 5 6
4
+ -
7 U7B MC33079
U8C TL084
R85 10K
U8A TL084
4
+16.5V +16.5V
4
+16.5V
A
4
4
5
+
3
4
+
1
5
U8B TL084
+
-
8
2
-
6
7
12
-16.5V
11
-
D13 MMBD914 3 1
R84 10K
11
D14 MMBD914 1 3
11
13
Title
DIGIMAX Peak Limiter Channel 2
Size C Date:
3 2
Document Number 400-DMAXP/L Tuesday, August 22, 2000
1
+
-
13
11
VCC
R76 10K
+
3
-
+
-16.5V
23 22
2
RV2 50KPOT
OUT2
10
-
C42 47uF/35VNP
R65 20K
0% 1
11
+
RMS2
12
-
13
R53 150K 14 U5D TL084 +16.5V R55 49.9K R56 10K R57 56.2K -16.5V R54 1K -16.5V
Q12 MMBT3904
+16.5V
SW4 SPUJ12L-2
R58 4.99K
C
C38 U6 THAT4301 VCA_IN NC NC RMS_IN NC NC RMS_OUT NC NC OA1_INV NC NC OA1_OUT NC NC OA1_NONINV VCA_OUT OA3_OUT 20 R62 19
47pF 1 2 3 R64 51R1 MC33079 U7C 8 R66 4.99K -16.5V CHANNEL2+ R72 10K 1 -16.5V U7A MC33079 R77 10K C45 10uF/25VNP C44 47pF C43 10uF/25VNP 9 CHANNEL2J3 CON3
-16.5V 20K +16.5V
C41 47pF
R60 51R1
C39 47uF/35VNP
R63 49.9K
RMS2
24
R67 51R1
R68 301K
R75 10K 2
14 U7D MC33079
B
+
-
A
Rev A Sheet 8 of 9
5
4
3
2
1
D
D
CLIP
D1 L-1154GD R356 4.99K 1
SIGNAL PRESENT
D2 L-1154GD U1A TL084 4 + 2 3 +16.5V -16.5V 11 + 6 5 R357 4.99K 7 U1B TL084 4 +16.5V
LIMIT
Q1 MMBT3904 D3 L-1154GD R358 4.99K 8 U1C TL084 4 + 10 9 +16.5V
R3 10K 1 2
2
1 3 +16.5V
3
4 5 6
R4 1K
R5 9.09K -16.5V -16.5V 11
PAD1
-16.5V
8
7 R6 4.99K
-16.5V
11
SW1 SPUJ12L-2 R9 10K 1 3 2 3 4 5 PHASE1 6 -16.5V 8 7 2 1
11
LIMIT1
4
+16.5V
C
J2 CON9 1 2 3 4 5 6 7 8 9 +16.5V PAD1 PHASE1 C8 47uF/35VNP R18 20K 25 1 2 3 8 14 6 15 16 27 17 21 26 29 30 28
ECEC+ SYM OA2_INV OA2_OUT OA2_NONINV GND
OUT1 D4 MMBD914 3 1 R30 20K +16.5V 1 D5 MMBD914 + 3
9 R31 10 11 C15 0.1uF 1K R28 20K
3
4
-16.5V
+16.5V
11
18 C16 10uF/25V
4
VEE
CT
IT
12
1uF/50V 7
13
+16.5V 12 C18 10uF/25V R35 10K
4
+
B
+
4
C19
R36 2M -16.5V
+16.5V -16.5V
C20 47pF R37 4.99K RMS1 R38 100K -16.5V LIMIT1 R40 49.9K 9 10 11
C21 47pF +16.5V
R39 10K -16.5V -16.5V
-16.5V +16.5V 11 C22 0.1uF 14 U4D TL084 -16.5V +16.5V R43 49.9K C32 1uF/50V GND C27 0.1uF C28 10uF/25V C29 0.1uF C30 10uF/25V C31 0.1uF C23 10uF/25V C24 0.1uF C25 10uF/25V C26 0.1uF 5 6
4
+ -
7 U3B MC33079
U4C TL084
R42 10K
U4A TL084
4
+16.5V +16.5V
4
+16.5V
A
4
4
5
+
3
4
+
1
5
U4B TL084
+
-
8
2
-
6
7
12
-16.5V
11
-
D6 MMBD914 3 1
R41 10K
11
D7 MMBD914 1 3
11
13
Title
DIGIMAX Peak Limiter Channel 1
Size C Date:
3 2
Document Number 400-DMAXP/L Tuesday, August 22, 2000
1
+
-
13
11
VCC
R33 10K
+
3
-
+
-16.5V
23 22
2
RV1 50KPOT
OUT1
10
-
C10 47uF/35VNP
R22 20K
0% 1
11
+
RMS1
12
-
13
R10 150K 14 U1D TL084 +16.5V R12 49.9K R13 10K R14 56.2K -16.5V R11 1K -16.5V
Q6 MMBT3904
+16.5V
SW2 SPUJ12L-2
R15 4.99K
C
C6 U2 THAT4301 VCA_IN NC NC RMS_IN NC NC RMS_OUT NC NC OA1_INV NC NC OA1_OUT NC NC OA1_NONINV VCA_OUT OA3_OUT 20 R19 19
47pF 1 2 3 R21 51R1 MC33079 U3C 8 R23 4.99K -16.5V CHANNEL1+ R29 10K 1 -16.5V U3A MC33079 R34 10K C13 10uF/25VNP C12 47pF C11 10uF/25VNP 9 CHANNEL1J1 CON3
-16.5V 20K +16.5V
C9 47pF
R17 51R1
C7 47uF/35VNP
R20 49.9K
RMS1
24
R24 51R1
R25 301K
R32 10K 2
14 U3D MC33079
B
+
-
A
Rev C Sheet 9 of 9