EN-32
ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L281 CT7 BR Channel.SchDoc
AMP019 Amp BR
Contact Engineer:
L281CT
15/01/2021
INITIALS
Printed:
7 10Sheet of
Notes:
Contact Tel: 01223 203201Jon Henderson
A & R Cambridge Ltd.
Cambridge CB25 9QE
Waterbeach
A3
ARCAM
LIN
RV6000
1K
AGND
AGND
TR6005
BC856B
100V
C6014
82P
AGND
TR6023
BC846B
100V
C6030
82P
TR6002
2SC2690A
TR6021
KSA1220A
TR6001
MMBTA42L
TR6024
MMBTA92L
0W125
R6028
33R
0W125
R6096
33R
0W125
R6043
560R
0W125
R6073
560R
0W125
R6030
10R
0W125
R6110
22R
0W125
R6011
22R
GND_B
GND_B
TR6003
2SC2690A
TR6018
KSA1220A
D6006
S1D
D6010
S1D
63V
C6008
22UF
63V
C6033
22UF
100V
C6005
1uF
GND_A
100V
C6032
1uF
GND_A
+VLIFT
-VLIFT
2W
R6055
0.18R
2W
R6065
0.18R
2W
R6064
0.18R
2W
R6054
0.18R
2W
R6053
0.18R
2W
R6063
0.18R
+Input BR
-Input BR
0W5
R6035
1R0
2
3
1
84
IC6000A
OPA1652AIDR
AGND
-14V
+14V
0W063
R6004
10K
AGND
D6000
BAV99
ERR +VE
ERR -VE
100V
C6001
470N
20C/W
HS6000A
5400-9130+0
20C/W
HS6001A
5400-9130+0
TR6014A
NJL1302DG
TR6014B
NJL1302DG
0W5
R6086
1R0
0W125
R6068
100K
1206
FS6000
7.0A
1206
FS6001
7.0A
GND_BR
1 2
8mm
J6004
LINK
12
8mm
J6005
LINK
12
8mm
J6007
LINK
12
8mm
J6006
LINK
-BR Input
NF
AGND
P6065
P6059
P6074
P6066 P6067
P6055 P6056
P6035
P6041
P6047
P6064
P6092
P6044
P6029
P6060
P6032
P6042
P6026
P6048
P6024
P6046
P6099
P6061
P6100
P6079
P6073
P6105
P6096
P6109
P6115P6114
P6107 P6108
P6098
P6116
P6118
P6002
P6011
P6005
P6006
P6001
P6004
P6010P6016
P6063
P6078
P6015
P6023
P6020
P6018
P6013
P6014
P6019
P6028
P6049
P6030
P6025
P6057
P6027
P6043
P6050
P6072
P6076
P6090
P6089
P6085
P6088
P6036
P6039
P6054
P6095
P6091
P6103
P6102
P6086
P6094
P6101
P6077
P6110
P6113
P6097
P6068
P6104
P6058
P6093
100V
C6024
100N
100V
C6020
100N
FILM
-BR Input
Out BR
Out BR
1
2
M20-973
CON6000
HARWIN
SHORT BR
SHORT BR
TR6000
MMBTA42L
25V
C6000
1uF
P6000
P6003
P6008
Bias measurement
ERR +VE
ERR -VE
BIAS BR+
BIAS BR-
BIAS BR+
BIAS BR-
D6003
NSR1020
D6012
NSR1020
-14V
+14V
D6004
NSR1020
+14V
50V
C6007
100N
AGND
50V
C6012
100N
5V6
DZ6000
BZX84C
0W125
R6041
220K
AGND
+14V
-14V
50V
C6037
100N
5V6
DZ6003
BZX84C
25V
C6035
1UF
25V
C6013
1UF
-14V
+14V
AGND
AGND
P6083
+BR Input
+BR Input
5
34
TR6010B
BC846BD
2
61
TR6010A
BC846BD
2
61
TR6012A
BC846BD
5
34
TR6012B
BC846BD
2
61
TR6022A
BC846BD
2
61
TR6020A
BC846BD
43
5
TR6004A
BC856BD
43
5
TR6007A
BC856BD
16
2
TR6016B
BC856BD
43
5
TR6016A
BC856BD
43
5
TR6019A
BC856BD
16
2
TR6019B
BC856BD
16
2
TR6004B
BC856BD
5
34
TR6020B
BC846BD
5
34
TR6022B
BC846BD
16
2
TR6007B
BC856BD
100V
C6009
1N0
AGND
-14V
AGND
0W125
R6099
220K
AGND
TR6017
KSC3503
TR6011
KSA1381
GND_C
P6009
P6007
P6012
0W25
R6005
68R
GND_C
P6119
P6120
P6117
0W25
R6117
68R
TR6009
BC846B
TR6008
BC856B
TR6015
BC846B
TR6013
BC856B
50V
C6021
10UF
50V
C6018
10UF
0W25
R6036
12K
0W25
R6088
12K
0W25
R6034
12K
0W25
R6090
12K
D6005
BAS21LT1
D6009
BAS21LT1
P6082
P6081
P6087 P6033
P6069
P6045
P6075
P6070
P6053
P6052
P6071
P6038
P6084
27V
DZ6001
GLZ
27V
DZ6002
GLZ
D6007 BAV199D6008 BAV199
100V
C6002
220UF
100V
C6039
220UF
0W1
0.10%
R6059
1K0
0W1
0.10%
R6089
1K0
50V
C6016
470P
50V
C6026
470P
D6001
NSR1020
D6014
NSR1020
0W25
R6046
68R
0W25
R6069
68R
NF
NF
NF
50V
C6010
22N
50V
C6029
22N
100V
C6019
150P
100V
C6028
150P
100V
C6017
33P
100V
C6027
33P
D6013
NSR1020
-55V
+55V
RED LED6001
0603
RED LED6000
0603
0W063
R6071
68R
0W063
R6072
68R
0W063
R6098
1K5
0W063
R6017
1K5
0W063
R6008
5K1
0W063
R6003
3M3
0W063
R6012
20K
0W063
R6066
15K
50V
C6015
100N
0W063
R6108
360R
50V
C6038
100N
0W063
R6100
4K7
50V
C6040
1N0
0W063
R6114
1K5
50V
C6031
100N
0W063
R6074
1K5
0W063
R6083
68R
0W063
R6084
68R
0W063
R6039
4K7
0W125
R6094
6K8
0W125
R6060
6K8
0W063
R6109
1K5
0W063
R6107
68R
0W063
R6112
1K0
0W063
R6116
47R
0W063
R6111
100R
100V
C6041
1uF
50V
C6034
1N0
AGND
0W063
R6070
0R0
0W063
R6057
0R0
0W063
R6058
0R0
0W063
R6026
1K0
0W063
R6032
68R
0W063
R6027
47R
0W125
R6097
10K
0W125
R6040
10K
0W063
R6031
100R
100V
C6006
1uF
AGND
50V
C6011
1N0
NF
NF
0W063
R6015
10R
0W063
R6105
10R
0W063
R6048
220R
NF
0W063
R6016
10R
0W063
R6106
10R
100V
C6036
220N
100V
C6004
220N
0W063
R6029
220R
0W063
R6093
220R
0W063
R6101
3K3
0W063
R6019
3K3
0W063
R6047
0R0
0W063
R6050
0R0
0W063
R6033
1K0
0W063
R6085
1K0
0W063
R6044
430R
0W063
R6076
430R
0W063
R6045
2K7
0W063
R6077
2K7
0W063
R6001
10K
0W063
R6000
4K7
0W063
R6038
330R
0W063
R6079
330R
0W25
R6067
2K7
0W25
R6080
2K7
0W063
R6025
1K5
0W063
R6095
20R
TH6001100R@ 25C
TH6000
47k@25C
TH6002
47k@25C
NF
NF
NF
NF
NFNF
NF
0W5
R6023
0R47
0W5
R6024
0R47
1W
R6102
47R
1W
R6006
47R
1W
R6037
1K5
1W
R6091
1K5
2W
R6075
3R3
AGND
Op Amp Decoupling
50V
C6043
100N
50V
C6044
100N
50V
C6046
100N
50V
C6047
100N
50V
C6042
10UF
50V
C6045
10UF
+14V
-14V
100V
C6003
22P
TR6006A
NJL3281DG
TR6006B
NJL3281DG
AGND
0W063
R6002
1K0
0W063
R6007
1K0
P6122
P6017
P6022
P6112 P6121
P6126
P6062
P6123
P6125
P6129
P6128
P6124
P6037P6031
P6040
P6130 P6131
P6127
P6111
P6034
P6132
P6080
P6051
P6106
NLD
NLD
TR6026
MMBTA92L
0W125
R6118
47K
-55V
+55V
0W063
R6104
47R
D6011
BAS21HT1G
PLD
PLD
P6021
TR6025
MMBTA42L
+55V
0W125
R6103
47K
-55V
0W063
R6020
47R
D6002
BAS21HT1G
50V
C6023
22UF
2
3
1
84
IC6001A
LM4562MA
6
5
7
IC6001B
LM4562MA
0W125
Thin Film
R6013
15K
0W125
Thin Film
R6014
15K
0W063
R6021
270R
0W063
R6022
3K3
100V
C6022
22P
100V
C6025
22P
0W063
R6081
180R
0W063
R6049
10R
18_E048 PK 28/11/18 F.0Amplifier improvements
0W063
R6113
360R
19_E007 JH 11/02/2019 G.0Rx113 changed to 360R
NF
NF
NF
NF
0W125
R6082
220K
0W125
Thin Film
R6010
10K
0W063
R6018
5K6
0W063
R6115
5K6
0W063
R6051
4R7
0W063
R6061
4R7
0W063
R6052
330R
0W063
R6062
330R
0W125
R6092
4R7
19_E027 PK 20/05/19 1.0Value changes protection and compensation
0W1
0.10%
R6009
30K
0W1
0.10%
R6056
3K0
0W1
0.10%
R6087
3K0
0W1 0.10%
R6042
2K0
0W1 0.10%
R6078
2K0
20_E002 PK 06/01/20 2.0PCB change only
21_E001 PK 12/01/21 3.0No change to this sheet
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