Stanford Research Systems SIM918, Руководство по эксплуатации и обслуживанию

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viii General Information
Specifications
Performance characteristics
Min Typ Max Units
Gain Selection 10
6
, 10
7
, 10
8
V
/
A
Accuracy, 10
6
V
/
A ± 0
.
1 %
10
7
V
/
A ± 0
.
1 %
10
8
V
/
A ± 1 %
Stability, 10
6
V
/
A ± 10 ppm
/
◦
C
10
7
V
/
A ± 50 ppm
/
◦
C
10
8
V
/
A ± 100 ppm
/
◦
C
Current input Selection On, open
O
ff
set voltage [1–3] ± 10
µ
V
Resistance 1
Ω
Capacitance 18 pF
Bias current, DC [3] 0.5 2.0 pA
AC [1, 4] 3.5 pA rms
Current noise at 1 kHz [5], 10
6
V
/
A 130 fA
/
√
Hz
10
7
V
/
A 42 fA
/
√
Hz
10
8
V
/
A 15 fA
/
√
Hz
Voltage noise [1, 4] 25
µ
V rms
− 3 dB bandwidth [5], 10
6
V
/
A 22 kHz
10
7
V
/
A 12 kHz
10
8
V
/
A 4 kHz
Terminals Isolated BNC [6]
BNC shield Ground, bias, program
/
open
Bias input Selection On, ground
Voltage [7]
−
5
.
0
+
5
.
0 V
Resistance 10 M
Ω
− 3 dB bandwidth 0.2 Hz
Terminals Isolated BNC [6]
BNC shield Ground, float
Program input Voltage − 60
+
60 V
Resistance 3 G
Ω
Terminals Grounded BNC [8], rear
Reference clock sync Selection Input, output
Interface Rear BNC [8], TTL [9]
Input frequency [10] 0.90 1.10 Hz
Output frequency 1.0 Hz
SIM918 Precision Current Preamplifier