Module I/O Specifications

A28 Power Supply

A28 Power Supply

This spec is for the complete assembly which includes the transformer and plug-in boards.

Input

Nominal Line Voltages:

100, 120, 22, 240

 

 

Tolerance:

+7%, -14%

 

 

Frequency Range:

48 to 440 Hz

 

 

❒Overvoltage protected.

❒+21 Volts and +25 Volt supplies always on, all other supplies controlled with front panel power switch.

❒Short circuit protected.

❒Thermal shutdown capability.

❒Two supply short protection (shorting +25 unregulated is protected only by fuse).

❒Fan turns off with power down.

❒Fan speed is a function of temperature.

Outputs

Supply

Tolerance

limit

Line Rel.

Max CW

Total noise 20

Noise nV/√Hz

Voltage

incl. load

 

Ripple RMS

Spur a RMS

Hz-20 MHz

@20 kHz

+38 V

1%

.3A

.1 mV

1 μV

1mV

400

 

 

 

 

 

 

 

+15 V

1%

4.2 A

.1 mV

1 μV

.3 mV

150

 

 

 

 

 

 

 

-15 V

1%

2.6 A

.1 mV

1 μV

.3 mV

150

 

 

 

 

 

 

 

+5.2 V

1%

12.8 A

.1 mV

1 μV

.1 mV

50

 

 

 

 

 

 

 

-5/2 V

4%

3.0 A

.1 mV

1 μV

.1 mV

50

 

 

 

 

 

 

 

+12 Aux V

1%

2.0 A

.1 mV

1 μV

.2 mV

100

 

 

 

 

 

 

 

+25 Unreg

-10%

+60%

3A fuse

1V

10 μV

 

 

 

 

 

 

 

 

+21 V

1%

1 A

Three terminal regulator

 

 

 

 

 

 

 

 

 

a.This is the spec for rates greater than 60 kHz. For rates less then 60 kHz the spec increases by 6 dB per octave until we reach a maximim of 100 μV at rates less than 600 Hz.

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Agilent Technologies 8922 manual A28 Power Supply, Input
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8922 specifications

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