Specifications; Measurement Functions; Test Signal - Agilent Technologies 4284A Technical Overview

Specifications

All specifications are common
to the Agilent 4284A and Agilent 4285A
unless otherwise noted.
10

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:
Mathematical functions:
Trigger:
Delay time:
Measurement terminals:
Test cable lengths:
Agilent 4284A-standard:
Option 4284A-006:
Agilent 4285A-standard:
Integration time:

Test signal

Test frequency:
Agilent 4284A:
Agilent 4285A:
Frequency accuracy:
Output impedance:
Agilent 4284A: standard:
Option 4284A-001:
Agilent 4285A:
AC test signal modes:
Normal:
Constant:
AC test signal
Agilent 4284A: standard
Normal
Constant
Agilent 4284A with Option 4284A-001
Normal
Constant
Series and parallel
Deviation and percent deviation
Internal, external and manual
0 to 60.000 s in 1 ms steps
Four-Terminal Pair
0 and 1 meter
adds 2 and 4 meter extension
0.1 and 2 meters
Short, medium and long
20 Hz to 1 MHz, 8610 selectable frequencies
75 kHz to 30 MHz, 100 Hz steps
±0.01%
100 Ω ±3%
100 Ω ±6%
) Ω ±10% @ 1 MHz, ±30% @ 30 MHz,
(25 + 0.5 f
m
f = test frequency in MHz
m
Programs selected voltage or current at the measurement
terminals when they are opened or shorted, respectively.
Maintains selected voltage or current at the device
under test independent of changes in the device's
impedance.
Range
V 5 m Vrms to 2 Vrms
I 50 µArms to 20 mArms
V 10 m Vrms to 1 Vrms
I 100 µArms to 10 mArms
Range
V 5 m Vrms to 20 Vrms
I 50 µArms to 200 mArms
V 10 m Vrms to 10 Vrms
I 100 µArms to 100 mArms
Specifications continued on page 11
Accuracy
±(10% + 1 mVrms)
±(10% + 10 µArms)
±(6% + 1 mVrms)
±(6% + 10 µArms)
Accuracy
±(10% + 1 mVrms)
±(10% + 10 µArms)
±(10% + 1 mVrms)
±(10% + 10 µArms)