Agilent Technologies B2902 Instrukcja Użytkownika Pobierz pdf (Strona 26)

Slew rate/small signal bandwidth

Voltage Range Load

Resistance

Current range 200 mV 2 V 20 V 200 V

1 mA 94 µA/µs, 21 kHz 160 µA/µs, 21 kHz 160 µA/µs, 21 kHz 150 µA/µs, 21 kHz 100 Ω

10 mA 94 µA/µs, 21 kHz 670 µA/µs, 21 kHz 900 µA/µs, 21 kHz 900 µA/µs, 21 kHz 100 Ω

100 mA 8 mA/µs, 10 kHz 8 mA/µs, 10 kHz 8 mA/µs, 10 kHz 12 mA/µs, 21 kHz 1 Ω

1 A 78 mA/µs, 12 kHz 94 mA/µs, 12 kHz 92 mA/µs, 12 kHz 0.1 Ω

1.5 A 125 mA/µs, 12 kHz 135 mA/µs, 12 kHz 140 mA/µs, 12 kHz 0.1 Ω

3 A 250 mA/µs, 13 kHz 270 mA/µs, 13 kHz 260 mA/µs, 13 kHz 0.041 Ω

Note: Slew rate and small signal bandwidth can be down to -20% in maximum.

I source overshoot:

< ±0.1 % (<± 0.3 % for 3 A range). Step is 10 % to 90 % range, resistive load.

Current source range change overshoot:

≤ 250 mV/R load , 20 MHz bandwidth

Line regulation/load regulation: Included in current source specifications.

High Capacitance Mode

The high capacitance mode supports sources and measurements when the load

capacitance is greater than 0.01 μF. In high capacitance mode the maximum

allowed load capacitance value is 50 μF.

Voltage output settling time:

Time required to reach within 0.1 % of final value with 4.7 μF capacitive load

on a fixed range at specified current range and limit value.

200 mV, 2 V Ranges: 600 μs, at 1 A limit

20 V Range: 1.5 ms, at 1 A limit

200 V Range: 20 ms, at 100 mA limit

Current measurement settling time:

Time required to reach 0.1 % of the final value after the voltage source stabi

lizes in a fixed range. Vout is 5 V unless noted.

1 μA Range: 230 ms

10 μA, 100 μA Ranges: 23 ms

1 mA, 10 mA Ranges: 0.23 ms

100 mA to 3 A Ranges: 100 μs

Mode change delay:

Delay into High Cap mode:

1 μA Range: 230 ms

10 μA, 100 μA Ranges: 23 ms

1 mA to 3 A Ranges: 1 ms

Delay out of High Cap mode:

All ranges: 10 ms

Noise 10 Hz to 20 MHz (20 V range): 4.5 mVrms

Voltage source range change overshoot (20 V range or below):

< 250 mV, 20 MHz bandwidth

High Capacitance mode working conditions:

V/I mode: Voltage source mode only

Range: Current measurement range is limited to fixed range only. 10 nA and

100 nA ranges are not available.

Current limit: ≥ 1 µA

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