EN-33
ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L281 CT8 C Channel.SchDoc
AMP019 Amp C
Contact Engineer:
L281CT
15/01/2021
INITIALS
Printed:
8 10Sheet of
Notes:
Contact Tel: 01223 203201Jon Henderson
A & R Cambridge Ltd.
Cambridge CB25 9QE
Waterbeach
A3
ARCAM
AGND
Op Amp Decoupling
50V
C7043
100N
50V
C7046
100N
+14V
-14V
LIN
RV7000
1K
AGND
AGND
TR7005
BC856B
100V
C7014
82P
AGND
TR7023
BC846B
100V
C7030
82P
TR7002
2SC2690A
TR7021
KSA1220A
TR7001
MMBTA42L
TR7024
MMBTA92L
0W125
R7028
33R
0W125
R7096
33R
0W125
R7043
560R
0W125
R7073
560R
0W125
R7030
10R
0W125
R7110
22R
0W125
R7011
22R
GND_B
GND_B
TR7003
2SC2690A
TR7018
KSA1220A
D7006
S1D
D7010
S1D
63V
C7008
22UF
63V
C7033
22UF
100V
C7005
1uF
GND_A
100V
C7032
1uF
GND_A
+VLIFT
-VLIFT
2W
R7055
0.18R
2W
R7065
0.18R
2W
R7064
0.18R
2W
R7054
0.18R
2W
R7053
0.18R
2W
R7063
0.18R
+Input C
-Input C
0W5
R7035
1R0
6
5
7
IC2000B
OPA1652AIDR
AGND
0W063
R7004
10K
AGND
D7000
BAV99
ERR +VE
ERR -VE
100V
C7001
470N
20C/W
HS7000A
5400-9130+0
20C/W
HS7001A
5400-9130+0
TR7014A
NJL1302DG
TR7014B
NJL1302DG
0W5
R7086
1R0
0W125
R7068
100K
1206
FS7000
7.0A
1206
FS7001
7.0A
GND_ZC
1 2
8mm
J7000
LINK
12
8mm
J7002
LINK
12
8mm
J7003
LINK
1 2
8mm
J7004
LINK
12
8mm
J7005
LINK
12
8mm
J7007
LINK
1 2
8mm
J7001
LINK
12
8mm
J7006
LINK
-C Input
NF
AGND
P7065
P7059
P7074
P7066 P7067
P7055 P7056
P7035
P7041
P7017
P7047
P7064
P7044
P7029
P7060
P7032
P7042
P7026
P7048
P7024
P7046
P7099
P7061
P7100
P7079
P7073
P7105
P7096
P7109
P7115P7114
P7107 P7108
P7098
P7116
P7118
P7005
P7006
P7001
P7004
P7010P7016
P7063
P7078
P7111
P7015
P7023
P7037
P7020
P7018
P7013
P7014
P7019
P7028
P7049
P7030
P7025
P7057
P7027
P7022
P7031
P7040
P7043
P7050
P7072
P7076
P7090
P7089
P7085
P7088
P7036
P7039
P7054
P7095
P7091
P7103
P7102
P7086
P7094
P7101
P7077
P7110
P7113
P7097
P7068
P7104
P7058
P7093
100V
C7024
100N
100V
C7020
100N
FILM
-C Input
Out C
Out C
1
2
M20-973
CON7000
HARWIN
SHORT C
SHORT C
TR7000
MMBTA42L
25V
C7000
1uF
P7000
P7003
P7008
Bias measurement
ERR +VE
ERR -VE
BIAS C+
BIAS C-
BIAS C+
BIAS C-
D7003
NSR1020
D7012
NSR1020
-14V
+14V
D7004
NSR1020
+14V
50V
C7007
100N
AGND
50V
C7012
100N
5V6
DZ7000
BZX84C
0W125
R7041
220K
AGND
+14V
-14V
50V
C7037
100N
5V6
DZ7003
BZX84C
25V
C7035
1UF
25V
C7013
1UF
-14V
+14V
AGND
AGND
P7083
+C Input
+C Input
5
34
TR7010B
BC846BD
2
61
TR7010A
BC846BD
2
61
TR7012A
BC846BD
5
34
TR7012B
BC846BD
2
61
TR7022A
BC846BD
2
61
TR7020A
BC846BD
43
5
TR7004A
BC856BD
43
5
TR7007A
BC856BD
16
2
TR7016B
BC856BD
43
5
TR7016A
BC856BD
43
5
TR7019A
BC856BD
16
2
TR7019B
BC856BD
16
2
TR7004B
BC856BD
5
34
TR7020B
BC846BD
5
34
TR7022B
BC846BD
16
2
TR7007B
BC856BD
100V
C7009
1N0
AGND
-14V
AGND
0W125
R7099
220K
AGND
TR7017
KSC3503
TR7011
KSA1381
GND_C
P7009
P7007
P7012
0W25
R7005
68R
GND_C
P7119
P7120
P7117
0W25
R7117
68R
TR7009
BC846B
TR7008
BC856B
TR7015
BC846B
TR7013
BC856B
50V
C7021
10UF
50V
C7018
10UF
0W25
R7036
12K
0W25
R7088
12K
0W25
R7034
12K
0W25
R7090
12K
D7005
BAS21LT1
D7009
BAS21LT1
P7082
P7081
P7087
P7034
P7051
P7069
P7045
P7075
P7070
P7053
P7052
P7071
P7038
P7084
27V
DZ7001
GLZ
27V
DZ7002
GLZ
D7007 BAV199D7008 BAV199
100V
C7002
220UF
100V
C7039
220UF
0W1
0.10%
R7059
1K0
0W1
0.10%
R7089
1K0
50V
C7016
470P
50V
C7026
470P
D7001
NSR1020
D7014
NSR1020
0W25
R7046
68R
0W25
R7069
68R
NF
NF
NF
50V
C7010
22N
50V
C7029
22N
100V
C7019
150P
100V
C7028
150P
100V
C7017
33P
100V
C7027
33P
D7013
NSR1020
-55V
+55V
RED LED7001
0603
RED LED7000
0603
0W063
R7071
68R
0W063
R7072
68R
0W063
R7098
1K5
0W063
R7017
1K5
0W063
R7008
5K1
0W063
R7003
3M3
0W063
R7012
20K
0W063
R7066
15K
50V
C7015
100N
0W063
R7108
360R
50V
C7038
100N
0W063
R7100
4K7
50V
C7040
1N0
0W063
R7114
1K5
50V
C7031
100N
0W063
R7074
1K5
0W063
R7083
68R
0W063
R7084
68R
0W063
R7039
4K7
0W125
R7094
6K8
0W125
R7060
6K8
0W063
R7109
1K5
0W063
R7107
68R
0W063
R7112
1K0
0W063
R7116
47R
0W063
R7111
100R
100V
C7041
1uF
50V
C7034
1N0
AGND
0W063
R7070
0R0
0W063
R7057
0R0
0W063
R7058
0R0
0W063
R7026
1K0
0W063
R7032
68R
0W063
R7027
47R
0W125
R7097
10K
0W125
R7040
10K
0W063
R7031
100R
100V
C7006
1uF
AGND
50V
C7011
1N0
NF
NF
0W063
R7015
10R
0W063
R7105
10R
0W063
R7048
220R
NF
0W063
R7016
10R
0W063
R7106
10R
100V
C7036
220N
100V
C7004
220N
0W063
R7029
220R
0W063
R7093
220R
0W063
R7101
3K3
0W063
R7019
3K3
0W063
R7047
0R0
0W063
R7050
0R0
0W063
R7033
1K0
0W063
R7085
1K0
0W063
R7044
430R
0W063
R7076
430R
0W063
R7045
2K7
0W063
R7077
2K7
0W063
R7001
10K
0W063
R7000
4K7
0W063
R7038
330R
0W063
R7079
330R
0W25
R7067
2K7
0W25
R7080
2K7
0W063
R7025
1K5
0W063
R7095
20R
TH7001100R@ 25C
TH7000
47k@25C
TH7002
47k@25C
NF
NF
NF
NF
NFNF
NF
1W
R7006
47R
1W
R7102
47R
1W
R7037
1K5
1W
R7091
1K5
2W
R7075
3R3
100V
C7003
22P
0W5
R7024
0R47
0W5
R7023
0R47
AGND
TR7006A
NJL3281DG
TR7006B
NJL3281DG
0W063
R7002
1K0
0W063
R7007
1K0
P7121
P7002
P7062
P7122
P7123
P7126
P7112
P7129
P7092
P7127
P7080
P7128
P7033
P7124
P7011
P7125
P7106
NLD
NLD
TR7026
MMBTA92L
0W125
R7118
47K
-55V
+55V
0W063
R7104
47R
D7011
BAS21HT1G
PLD
PLD
P7021
TR7025
MMBTA42L
+55V
0W125
R7103
47K
-55V
0W063
R7020
47R
D7002
BAS21HT1G
50V
C7023
22UF
2
3
1
84
IC7001A
LM4562MA
6
5
7
IC7001B
LM4562MA
0W125
Thin Film
R7013
15K
0W125
Thin Film
R7014
15K
0W063
R7021
270R
0W063
R7022
3K3
100V
C7022
22P
100V
C7025
22P
0W063
R7081
180R
0W063
R7049
10R
18_E048 PK 28/11/18 F.0Amplifier improvements
0W063
R7113
360R
19_E007 JH 11/02/2019 G.0Rx113 changed to 360R
0W063
R7051
4R7
0W063
R7061
4R7
0W063
R7052
330R
0W063
R7062
330R
0W125
R7082
220K
0W125
Thin Film
R7010
10K
0W063
R7018
6K8
0W063
R7115
6K8
0W125
R7092
4R7
19_E027 PK 20/05/19 1.0Value changes protection and compensation
0W1
0.10%
R7009
30K
0W1
0.10%
R7056
3K0
0W1
0.10%
R7087
3K0
0W1 0.10%
R7042
2K0
0W1 0.10%
R7078
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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