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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

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

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

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

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

Can I force currents or voltages beyond 1A or 200V using the Agilent 4155A/B/C and Agilent 4156A/B/C?
You can force currents or voltages beyond 1A or 200V by adding an external power supply. You only need a simple front panel setup file...

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

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 is an SMU?
A Source Monitor Unit (SMU) is the fundamental resource for parametric measurement. The SMU typically has two (mutually exclusive) modes of operation: force voltage and measure current, or force current and measure voltage...

FAQ 2003-06-13

How is the Agilent 4142B different from the Agilent 4155C and 4156C?
The key difference between the Agilent 4142B and the Agilent 4155C/4156C is that the Agilent 4142B lacks front panel control.

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

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

What are the different Agilent 4155C and Agilent 4156C programming options?
The Agilent 4155C and Agilent 4156C include several different programming languages: ASP, System and User Mode, SCPI, and Agilent FLEX...

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 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

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

FAQ 2003-06-13

My Agilent 4155A/B/C or Agilent 4156A/B/C pulsed measurements are not the width I specified, why?
When you set an SMU to Vpulse or Ipulse mode, it assumes you are using FIXED ranging and SHORT integration time. With short pulse widths there is not enough time to AUTO range or make LONG integration measurements...

FAQ 2003-06-13

How can I get an Agilent 4155A/B/C or Agilent 4156A/B/C screen display into text editor or presentation software?
To get a screen display into text editor compatible format, we strongly recommend the purchase of graphics manipulation software such as IMSI's HiJaaK® Pro (US: 1-800-833-8082)...

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

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 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

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

What is the minimum number of Source Monitor Units (SMUs) recommended for parametric test?
Since a MOSFET is a 4 terminal device (Source, Gate, Drain, and Bulk), the minimum number of SMUs recommended for parametric test is four...

FAQ 2003-06-13

How do I get data into a spreadsheet from Agilent 4155A/B/C or Agilent 4156A/B/C ?
The Agilent 4155A/B/C and Agilent 4156A/B/C have a spreadsheet button. Toggle the Graph/List front panel button so that you see a list of your data. Then press the spreadsheet button at the bottom of the screen...

FAQ 2003-06-13

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