Specifications - A

Operation Below 45 Hz

The following operating characteristics apply for output frequencies between 45Hz and 1Hz. Below 1 Hz, instantaneous values meet the dc specifications. The ac source output is set to: sinewave, dc coupled, real-time regulation, and is connected to a linear load.

Table A-3. Operation Below 45 Hz

Real Power (watts)

1750

 

 

 

 

10 Hz

 

 

 

 

 

750

 

 

 

 

 

375

 

 

 

 

 

675

 

 

 

 

 

287

 

 

5 Hz

 

 

142

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

1

2

4

6

8

10

Frequency (linear scale)

Reactive power (VA)

1750

10 Hz

 

 

750

 

 

 

 

375

 

 

0

1

2

4

6

8

10

Frequency (linear scale)

RMS current derating (A)

13

45 Hz

6.5

 

3.75

 

7

3.55 Hz

1.75

0

10

100

1

Frequency

RMS current programming accuracy (% error)

10

5

2% error at 10 Hz

0

0

10

20

30

40

Frequency

AC coupled frequency response (dB)

0

 

0.1%error @ 40Hz

 

 

1%error @ 10Hz

 

 

 

30% error @ 2Hz (-3dB point)

 

-10

 

 

 

 

slope of 1 (20dB/decade)

 

-20

 

 

 

.1

1

10

100

 

 

Frequency

 

Meets Measurement Accuracy specifications under the following conditions:

 

Minimum

Maximum allowable

 

measured

frequency component

Sample rate

frequency

to avoid aliasing

25 μs

45 Hz

20 kHz

50 μs

22.5 Hz

10 kHz

100 μs

11.25 Hz

50 kHz

200 μs

5.625 Hz

2.5 kHz

250 μs

4.5 Hz

2 kHz

(Anti aliasing filters have a corner frequency of 12.5 kHz.)

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Agilent Technologies 6813B, 6811B, 6812B manual Table A-3. Operation Below 45 Hz

6812B, 6811B, 6813B specifications

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