Operator`s manual

Signametrics 16
Parameter Closed Loop [1] Open Loop
Typical source resistance
250 Ω
Frequency range / resolution 2 Hz to 75 kHz / 2 Hz
Frequency stability 100 ppm ± 1 Hz
[1] 5 rps or lower measurement rate is required for the closed loop mode.
2.11.3 DC Current Source
Range Compliance Voltage Resolution [1] Minimum level
Accuracy 23°C ± 10°C One Year
1.25 µA
4.2 V 500 pA
1 ηA 1% + 10 ηA
12.5 µA
4.2 V
5 ηA 10 ηA 1% + 100 ηA
125 µA
4.2 V
50 ηA 100 ηA 1% + 500 ηA
1.25 mA 4.2 V
500 ηA 1 µA 1% + 5 µA
12.5 mA 1.5 V
5 µA 10 µA 1% + 50 µA
[1] Resolution without Trim DAC. The use of the Trim DAC can improve the resolution by a factor of 10, but it has
to be set separately since it is not calibrated.