EN-29
ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L281 CT4 SL Channel.SchDoc
AMP019 Amp SL
Contact Engineer:
L281CT
15/01/2021
INITIALS
Printed:
4 10Sheet of
Notes:
Contact Tel: 01223 203201Jon Henderson
A & R Cambridge Ltd.
Cambridge CB25 9QE
Waterbeach
A3
ARCAM
LIN
RV3000
1K
AGND
AGND
TR3005
BC856B
100V
C3014
82P
AGND
TR3023
BC846B
100V
C3030
82P
TR3002
2SC2690A
TR3021
KSA1220A
TR3001
MMBTA42L
TR3024
MMBTA92L
0W125
R3028
33R
0W125
R3096
33R
0W125
R3043
560R
0W125
R3073
560R
0W125
R3030
10R
0W125
R3110
22R
0W125
R3011
22R
GND_B
GND_B
TR3003
2SC2690A
TR3018
KSA1220A
D3006
S1D
D3010
S1D
63V
C3008
22UF
63V
C3033
22UF
100V
C3005
1uF
GND_A
100V
C3032
1uF
GND_A
+VLIFT
-VLIFT
2W
R3055
0.18R
2W
R3065
0.18R
2W
R3064
0.18R
2W
R3054
0.18R
2W
R3053
0.18R
2W
R3063
0.18R
+Input SL
-Input SL
0W5
R3035
1R0
6
5
7
IC1000B
OPA1652AIDR
AGND
0W063
R3004
10K
AGND
D3000
BAV99
ERR +VE
ERR -VE
100V
C3001
470N
20C/W
HS3000A
5400-9130+0
20C/W
HS3001A
5400-9130+0
TR3014A
NJL1302DG
TR3014B
NJL1302DG
0W5
R3086
1R0
0W125
R3068
100K
1206
FS3000
7.0A
1206
FS3001
7.0A
GND_SL
1 2
8mm
J3000
LINK
12
8mm
J3002
LINK
12
8mm
J3003
LINK
1 2
8mm
J3004
LINK
12
8mm
J3005
LINK
12
8mm
J3007
LINK
1 2
8mm
J3001
LINK
12
8mm
J3006
LINK
-SL Input
NF
AGND
P3065
P3059
P3074
P3066 P3067
P3055
P3041
P3017
P3047
P3064
P3092
P3044
P3029
P3060
P3032
P3042
P3026
P3048
P3024
P3046
P3099
P3061
P3100
P3080P3079
P3073
P3105
P3096
P3109
P3115P3114
P3107 P3108
P3098
P3116
P3118
P3005
P3006
P3001
P3004
P3010P3016
P3062
P3063
P3078
P3111
P3015
P3023
P3037
P3020
P3018
P3013
P3014
P3019
P3028
P3049
P3030
P3025
P3057
P3027
P3031
P3040
P3043
P3050
P3072
P3076
P3090
P3089
P3085
P3088
P3036
P3039
P3054
P3095
P3091
P3103
P3102
P3086
P3094
P3101
P3077
P3110
P3113
P3112
P3097
P3068
P3104
P3058
P3093
100V
C3024
100N
100V
C3020
100N
FILM
-SL Input
Out SL
Out SL
1
2
M20-973
CON3000
HARWIN
SHORT SL
SHORT SL
TR3000
MMBTA42L
25V
C3000
1uF
P3000
P3003
P3008
Bias measurement
ERR +VE
ERR -VE
BIAS SL+
BIAS SL-
BIAS SL+
BIAS SL-
D3003
NSR1020
D3012
NSR1020
-14V
+14V
D3004
NSR1020
+14V
50V
C3007
100N
AGND
50V
C3012
100N
5V6
DZ3000
BZX84C
0W125
R3041
220K
AGND
+14V
-14V
50V
C3037
100N
5V6
DZ3003
BZX84C
25V
C3035
1UF
25V
C3013
1UF
-14V
+14V
AGND
AGND
P3083
+SL Input
+SL Input
5
34
TR3010B
BC846BD
2
61
TR3010A
BC846BD
2
61
TR3012A
BC846BD
5
34
TR3012B
BC846BD
2
61
TR3022A
BC846BD
2
61
TR3020A
BC846BD
43
5
TR3004A
BC856BD
43
5
TR3007A
BC856BD
16
2
TR3016B
BC856BD
43
5
TR3016A
BC856BD
43
5
TR3019A
BC856BD
16
2
TR3019B
BC856BD
16
2
TR3004B
BC856BD
5
34
TR3020B
BC846BD
5
34
TR3022B
BC846BD
16
2
TR3007B
BC856BD
100V
C3009
1N0
AGND
-14V
AGND
0W125
R3099
220K
AGND
TR3017
KSC3503
TR3011
KSA1381
GND_C
P3009
P3007
0W25
R3005
68R
GND_C
P3119
P3120
P3117
0W25
R3117
68R
TR3009
BC846B
TR3008
BC856B
TR3015
BC846B
TR3013
BC856B
50V
C3021
10UF
50V
C3018
10UF
0W25
R3036
12K
0W25
R3088
12K
0W25
R3034
12K
0W25
R3090
12K
D3005
BAS21LT1
D3009
BAS21LT1
P3082
P3081
P3087 P3033
P3034
P3051
P3069
P3045
P3075
P3070
P3053
P3052
P3071
P3038
P3084
27V
DZ3001
GLZ
27V
DZ3002
GLZ
D3007 BAV199D3008 BAV199
100V
C3002
220UF
100V
C3039
220UF
0W1
0.10%
R3059
1K0
0W1
0.10%
R3089
1K0
50V
C3016
470P
50V
C3026
470P
D3001
NSR1020
D3014
NSR1020
0W25
R3046
68R
0W25
R3069
68R
NF
NF
NF
50V
C3010
22N
50V
C3029
22N
100V
C3019
150P
100V
C3028
150P
100V
C3017
33P
100V
C3027
33P
D3013
NSR1020
-55V
+55V
RED LED3001
0603
RED LED3000
0603
0W063
R3071
68R
0W063
R3072
68R
0W063
R3098
1K5
0W063
R3017
1K5
0W063
R3008
5K1
0W063
R3003
3M3
0W063
R3012
20K
0W063
R3066
15K
50V
C3015
100N
0W063
R3108
360R
50V
C3038
100N
0W063
R3100
4K7
50V
C3040
1N0
0W063
R3114
1K5
50V
C3031
100N
0W063
R3074
1K5
0W063
R3083
68R
0W063
R3084
68R
0W063
R3039
4K7
0W125
R3094
6K8
0W125
R3060
6K8
0W063
R3109
1K5
0W063
R3107
68R
0W063
R3112
1K0
0W063
R3116
47R
0W063
R3111
100R
100V
C3041
1uF
50V
C3034
1N0
AGND
0W063
R3070
0R0
0W063
R3057
0R0
0W063
R3058
0R0
0W063
R3026
1K0
0W063
R3032
68R
0W063
R3027
47R
0W125
R3097
10K
0W125
R3040
10K
0W063
R3031
100R
100V
C3006
1uF
AGND
50V
C3011
1N0
NF
NF
0W063
R3015
10R
0W063
R3105
10R
0W063
R3048
220R
NF
0W063
R3016
10R
0W063
R3106
10R
100V
C3036
220N
100V
C3004
220N
0W063
R3029
220R
0W063
R3093
220R
0W063
R3101
3K3
0W063
R3019
3K3
0W063
R3047
0R0
0W063
R3050
0R0
0W063
R3033
1K0
0W063
R3085
1K0
0W063
R3044
430R
0W063
R3076
430R
0W063
R3045
2K7
0W063
R3077
2K7
0W063
R3001
10K
0W063
R3000
4K7
0W063
R3038
330R
0W063
R3079
330R
0W25
R3067
2K7
0W25
R3080
2K7
0W063
R3025
1K5
0W063
R3095
20R
TH3001100R@ 25C
TH3000
47k@25C
TH3002
47k@25C
NF
NF
NF
NF
NFNF
NF
AGND
Op Amp Decoupling
50V
C3043
100N
50V
C3046
100N
+14V
-14V
0W5
R3023
0R47
0W5
R3024
0R47
1W
R3102
47R
1W
R3006
47R
1W
R3037
1K5
1W
R3091
1K5
2W
R3075
3R3
100V
C3003
22P
TR3006A
NJL3281DG
TR3006B
NJL3281DG
AGND
0W063
R3002
1K0
0W063
R3007
1K0
P3126
P3002
P3011
P3122
P3124 P3125
P3127
P3130
P3133
P3134 P3135
P3012 P3022
P3121
P3132
P3128
P3131
P3123
P3129
P3056
P3035
P3106
NLD
NLD
TR3026
MMBTA92L
0W125
R3118
47K
-55V
+55V
0W063
R3104
47R
D3011
BAS21HT1G
PLD
PLD
P3021
TR3025
MMBTA42L
+55V
0W125
R3103
47K
-55V
0W063
R3020
47R
D3002
BAS21HT1G
50V
C3023
22UF
2
3
1
84
IC3001A
LM4562MA
6
5
7
IC3001B
LM4562MA
0W125
Thin Film
R3013
15K
0W125
Thin Film
R3014
15K
0W063
R3021
270R
0W063
R3022
3K3
100V
C3022
22P
100V
C3025
22P
0W063
R3081
180R
0W063
R3049
10R
18_E048 PK 28/11/18 F.0Amplifier improvements
0W063
R3113
360R
19_E007 JH 11/02/2019 G.0Rx113 changed to 360R
0W063
R3051
4R7
0W063
R3061
4R7
0W063
R3052
330R
0W063
R3062
330R
0W125
R3082
220K
0W125
Thin Film
R3010
10K
0W063
R3018
6K8
0W063
R3115
6K8
0W125
R3092
4R7
19_E027 PK 20/05/19 1.0Value changes protection and compensation
0W1
0.10%
R3009
30K
0W1
0.10%
R3056
3K0
0W1
0.10%
R3087
3K0
0W1 0.10%
R3042
2K0
0W1 0.10%
R3078
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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