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Accessories – Atec Agilent-4284A_4285A User Manual

Page 22

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Accessories

The Agilent 42841A is used with either the Agilent 4284A or
Agilent 4285A for high dc current bias measurements.

Agilent 42841A bias current source

Bias current output:

Up to 20 Adc maximum, 0.01 Adc steps

Current accuracy:

±1% to 1A, ±2% to 5A, ±3% to 20 A

Output voltage:

38 Vdc maximum (for more details see
page 23)

Frequency range:

Agilent 4284A: 20 Hz to 1 MHz

Agilent 4285A:

Up to 30 MHz when combined with the
Agilent 42842C bias current fixture.

Test signal voltage:

0.5 Vrms to 2 Vrms

Basic measurement accuracy:

Agilent 4284A:

2% for < 1 kHz, 1% for 1 kHz to 1 MHz

Agilent 4285A:

√ f

m

% + Agilent 4285A accuracy

(f

m

= test frequency in MHz)

Interface:

Custom, directly controllable by the Agilent
4284A/4285A with Option 4284A/4285A-002

The Agilent 42842A/B/C are fixtures designed to interface from
the Agilent 42841A bias current source to inductive DUT’s.

Agilent 42842A/B/C bias current test fixture

Agilent 42842A:

Up to 20 Adc maximum, used only with the
Agilent 4284A

Agilent 42842B:

Up to 40 Adc maximum, used only with the
Agilent 4284A

Basic impedance accuracy:

Refer to Agilent 42841A specifications

Component dimensions (maximum):

80 mm (W) x 80 mm (H) x 80 mm (D)

22

Agilent 42842C:

Up to 10 Adc maximum, used only with the
Agilent 4285A. Option 42842C-001 adds
the SMD test fixture.

Component dimensions (maximum):

60 mm (W) x 50 mm (H) x 60mm (D)

20A measurement system

40A measurement system

Bias current system configuration for 42842C

Agilent 42843A bias current cable

This cable is used with the Agilent 4284A for configurations
greater than 20 Adc. Refer to the configuration table in the
ordering information section.

This is the SMD test fixture,
which is furnished with 42842C
when Option 42842C-001 is ordered.

Frequency:

≤ 30 MHz

Maximum DC bias voltage: ±40 V

Agilent 42851-61100 SMD test fixture

Maximum DC bias current:

±2 A