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Electronic Measurement

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How is the Agilent 4070 family different from the Agilent 4062 family?
The 4070 family uses a Test System in a Test Head design, while the 4062 family has the parametric test measurement units in a cabinet rack...

FAQ 2003-06-13

Do I need a wafer prober with a fully guarded chuck for use with my Agilent 4155A/B/C or Agilent 4156A/B/C?
It depends upon the type of measurements you plan to make on your wafer prober...

FAQ 2003-06-13

How can I use a power supply without pin A6 (e.g. Agilent E361XA) with the Agilent 4155A/B/C or Agilent 4156A/B/C?
All new Agilent E361XA power supplies will not have terminal A6. Click the link above to learn which connections to use.

FAQ 2003-06-13

Which versions of the 4062 are supported systems?
Click the above link to view the status of the 4062 family.

FAQ 2003-06-13

How do I connect the Agilent 4155A/B/C or Agilent 4156A/B/C to an analytical prober?
Your prober manufacturer should have customized interfaces already available for both manual probe positioners and low level probe cards.

FAQ 2003-06-13

Why do my Agilent 4156A/B IV sweeps saturate around 10mA?
You could be using the SMU SENSE lines instead of the SMU FORCE lines. Check your cable connections to the SMUs. With single triax cable connections it is easy to reverse the connections...

FAQ 2003-06-13

What hardware do I need to integrate low-level IV and CV measurements?
For making IV measurements, Agilent recommends either the Agilent 4155C or the 4156C Parameter Analyzer...

FAQ 2003-06-13

Why does the Agilent 4156A/B/C default to Agilent 4155A/B/C accuracy at boot up?
The Agilent 4156A/B/C can trade off speed vs. accuracy. The Agilent 4156A/B/C boots up optimized for speed. It does this by limiting the lowest measurement range to 1nA (lowest Agilent 4155A/B/C current range)...

FAQ 2003-06-13

What are the CV measurement capabilities of the 4140B, 4280A, and 4284A?
Click the above link for details.

FAQ 2003-06-13

How do I connect a Centronics (parallel port) printer to my Agilent 4155A or Agilent 4156A?
By using an inexpensive converter, you can connect parallel printers directly to the buffered serial port of the Agilent 4155A/4156A.

FAQ 2003-06-13

Is IC-MS a supported product?
IC-MS was discontinued on September 1, 1998. It is under support until August 31, 2003...

FAQ 2003-06-13

What 4284A configuration do I need to make semiconductor CV measurements?
For semiconductor CV measurements, you must order option 001 (Power Amplifier/DC BIAS) and option 006 (2m/4m Cable Length Operation)...

FAQ 2003-06-13

Can I hookup Agilent 4155A/B/C and Agilent 4156A/B/C SMUs in series or parallel to double the output?
Yes, you can double the voltage to 200V or current to 200mA. See Module 2 of the Self-Paced Training Manual

FAQ 2003-06-13

What are the differences between the Agilent 4155A/B/C and the Agilent 4156A/B/C?
Accuracy is increased from 3pA (Agilent 4155A/B/C) to 20fA (Agilent 4156A/B/C). The Agilent 4156A/B/C SMUs (Source Monitor Units) are designed with low noise inputs (+/- 3fA typical)...

FAQ 2003-06-13

Can I use the Agilent 4155A/B/C and Agilent 4156A/B/C to make time domain measurements?
Yes. The time domain features are called time SAMPLING measurements in the Agilent 4155A/B/C and Agilent 4156A/B/C...

FAQ 2003-06-13

How do I find my Agilent 4155A/B/C or Agilent 4156A/B/C firmware revision?
Click the above link for details.

FAQ 2003-06-13

What is TAMS?
TAMS (Test And Measurement Systems) Incorporated (phone: 970-669-6553) is a third-party channel partner supplying support for test and measurement hardware and software products.

FAQ 2003-06-13

How do I read the fault log of the Agilent 4155A/B/C or Agilent 4156A/B/C?
Press the "System" key on the front of the instrument. Press the "Calib/Diag" softkey at the bottom of the display. Press the "Green" key on the front of the instrument. Press the rightmost softkey at the bottom of the display.

FAQ 2003-06-13

How do I connect a networked printer to the Agilent 4155B or Agilent 4156B?
You need a server on which a Line Printer Daemon (LPD) is running (anywhere within the gateway)...

FAQ 2003-06-13

How can I use my Agilent 4072A to make high-frequency ring oscillator measurements?
You can use a spectrum analyzer and the high-frequency (HF) matrix of the Agilent 4072A to make ring oscillator measurements...

FAQ 2003-06-13

The Agilent 4156A/B/C noise level is over 100fA, what am I doing wrong?
Most likely, the current measurement range is limited to 1nA or higher. Make sure the range is set to AUTO...

FAQ 2003-06-13

What is the Agilent 4155A/4155B/4155C and Agilent 4156A/4156B/4156C interlock feature?
Click the above link for details.

FAQ 2003-06-13

Are Agilent 4145B setup files compatible with the Agilent 4155A/B/C or Agilent 4156A/B/C?
Yes, but check your 4145B disk format. If it is a 1.44MB disk (two sensing holes), the 4155A/B/C or 4156A/B/C thinks it is the older 750KB format. When reading the setup files, a format error occurs. Place cellophane tape over the media density ho...

FAQ 2003-06-13

Why does my Agilent 4155A/B/C or Agilent 4156A/B/C show spikes in my GM curve when using DIFF or DELTA function?
You may see notches or spikes in MOSFET GM curves with small Vg step size (<50mV)...

FAQ 2003-06-13

Why do the Agilent 4155 and 4156 source measurement units (SMUs) use triaxial cables?
The Agilent 4155A/B/C and Agilent 4156A/B/C are designed for low-current measurement...

FAQ 2003-06-13

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