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Specifications, Measurement functions, Test signal – Atec Agilent-4284A_4285A User Manual

Page 10

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10

Specifications

All specifications are common
to the Agilent 4284A and Agilent 4285A
unless otherwise noted.

Measurement functions

Measurement parameters

|Z| (impedance), |Y| (admittance), q (phase), R (resistance), X (reactance),
G (conductance), B (susceptance), L (inductance), C (capacitance), Q (quality factor),
D (dissipation factor), ESR (equivalent series resistance) and Rp (parallel resistance).

20 parameter combinations are available

Equivalent circuit modes:

Series and parallel

Mathematical functions:

Deviation and percent deviation

Trigger:

Internal, external and manual

Delay time:

0 to 60.000 s in 1 ms steps

Measurement terminals:

Four-Terminal Pair

Test cable lengths:

Agilent 4284A-standard:

0 and 1 meter

Option 4284A-006:

adds 2 and 4 meter extension

Agilent 4285A-standard:

0.1 and 2 meters

Integration time:

Short, medium and long

Test signal

Test frequency:

Agilent 4284A:

20 Hz to 1 MHz, 8610 selectable frequencies

Agilent 4285A:

75 kHz to 30 MHz, 100 Hz steps

Frequency accuracy:

±0.01%

Output impedance:

Agilent 4284A: standard:

100

Ω ±3%

Option 4284A-001:

100

Ω ±6%

Agilent 4285A:

(25 + 0.5 f

m

)

Ω ±10% @ 1 MHz, ±30% @ 30 MHz,

f

m

= test frequency in MHz

AC test signal modes:

Normal:

Programs selected voltage or current at the measurement
terminals when they are opened or shorted, respectively.

Constant:

Maintains selected voltage or current at the device
under test independent of changes in the device’s
impedance.

AC test signal

Agilent 4284A: standard

Range

Accuracy

Normal

V

5 m Vrms to 2 Vrms

±(10% + 1 mVrms)

I

50 µArms to 20 mArms

±(10% + 10 µArms)

Constant

V

10 m Vrms to 1 Vrms

±(6% + 1 mVrms)

I

100 µArms to 10 mArms

±(6% + 10 µArms)

Agilent 4284A with Option 4284A-001

Range

Accuracy

Normal

V

5 m Vrms to 20 Vrms

±(10% + 1 mVrms)

I

50 µArms to 200 mArms

±(10% + 10 µArms)

Constant

V

10 m Vrms to 10 Vrms

±(10% + 1 mVrms)

I

100 µArms to 100 mArms

±(10% + 10 µArms)

Specifications continued on page 11