Specifications
Appendix
A
A-1
General
DC coupled current to voltage amplifier with adjustable sensitivity and a maximum
frequency response extending from DC to 1 MHz. Single-ended virtual ground input
and single-ended DC and AC coupled outputs via BNC connectors.
Battery powered from internal alkaline batteries or external DC power supplies.
Inputs
Mode
Single-ended virtual ground
Coupling
DC
Sensitivity
Switch selectable (5 settings)
AC Output
10
-5
, 10
-6
, 10
-7
, 10
-8
, 10
-8
low noise A/V
DC Output
10
-3
, 10
-4
, 10
-6
, 10
-7
, 10
-8
A/V
Accuracy
±2%
Stability ±300
ppm/° C
Impedance
see Figure A-1
Figure A-1, Input Impedance vs. Frequency
Max input w/o damage
±15 V DC or 10 V rms. AC @ 50 Hz
Noise
see Table A-1
Sensitivity (A/V)
Max DC Input Current at
1 kHz
Noise Current at 1 kHz
10
-5
9 mA
10 pA/
√
Hz
10
-6
900 µA
5 pA/
√
Hz
10
-7
9 µA
135 fA/
√
Hz
10
-8
900 nA
45 fA/
√
Hz
10
-8
, low noise
90 nA
15 fA/
√
Hz
Table A-1, Max DC Input and Noise vs. Gain
