Agilent Technologies 4285A Bedienungsanleitung PDF herunterladen (Seite 3)

Then, voltage level monitor accuracy V

Display Range

Parameter Range

|Z|, R, X 0.00001 Ω to 99.9999 MΩ

|Y|, G, B 0.00001 µS to 99.9999 S

C 0.00001 pF to 999.999 µF

L 0.001 nH to 99.9999 H

D 0.000001 to 9.99999

Q 0.01 to 99999.9

θ -180.000° to 180.000°

∆ -999.999% to 999.999%

Measurement Accuracy

The measurement accuracy includes stability, tem-

perature coefficient, linearity, repeatability, and

calibration interpolation error. The measurement

accuracy is specified when all of the following con-

ditions are satisfied:

• Warm-up time: ≥ 30 minutes

• Test cable length: 0 m, 1 m (Agilent 16048A), or

2 m (Agilent 16048D). For the 1 m or 2 m cable

length operation (with Agilent 16048A/D),

CABLE CORRECTION has been performed

• OPEN and SHORT corrections have been per-

formed.

• The optimum measurement range is selected by

matching the DUT’s impedance to the effective

measuring range shown in Figure 1-1 and Figure

1-2. (For example, if the DUT’s impedance is

3 kΩ and oscillator level is less than or equal to

1 V, the optimum range is the 500 Ω range.)

• Measurement accuracy is specified at the follow-

ing reference planes:

• Test frequency ≤ 1 MHz

At the UNKNOWN terminals on the Agilent

4285A front panel or at the end of the stan-

dard test leads (Agilent 16048A/D).

• Test frequency ≥ 1.001 MHz

At the 1-port terminal of the Agilent 16085B

Terminal Adapter, which should be connected

to the UNKNOWN terminals of the Agilent

4285A or to the end of the standard test leads

(Agilent 16048A/D).

∆V

= 0.024 [V]

+ 0.5  1  1

4 + 0.2  1

1  0.2

0.2

100

0.024

0.5

≈

4.8 [%]

= 0.5 

SgLabs

www.sglabs.it

email: [email protected]

tel. +39 0755149360

SgLabs

www.sglabs.it

email: [email protected]

tel. +39 0755149360

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