Product Warranty Hewlett-Packard warrants Hewlett-Packard hardware, accessories and supplies against defects in materials and workmanship for the period of one year from the warranty start date specified below. If Hewlett-Packard receives notice of such defects during the warranty period, Hewlett-Packard will, at its option, either repair or replace products which prove to be defective.
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its suppliers be liable for loss of data or for direct, special, incidental, consequential (including lost profit or data), or other damage, whether based in contract, tort, or otherwise. For consumer transactions in Australia and New Zealand: the warranty terms contained in this statement, except to the extent lawfully permitted, do not exclude, restrict or modify and are in addition to the mandatory statutory rights applicable to the sale of this product to you.
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ICs, solar cells, and wafers during the fabrication process. You can evaluate device design, process design, production line, and so on by using the HP 4155B/4156B.
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Flexible disk drive For inserting a 3.5-inch diskette, which can be used for mass storage. Keyboard interface For connecting keyboard. So, you can control HP 4155B/4156B from keyboard as well as from the front-panel keys. Primary softkeys For changing pages and secondary softkey menu.
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HP 4155B HP 4156B SMU terminals Terminals through which voltage and current are forced and measured by SMUs. Intlk interface Terminal through which signals for interlock function pass. The interlock function is for preventing electric shock. www.valuetronics.com...
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In This Guide Book This guide book is a quick start guide for HP 4155B and HP 4156B. It introduces basic measurement and analysis without a lot of explanation and details. This guide book describes an example for doing the following: √...
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Finding Further Information. This guide book is written for HP 4155B/4156B beginners. See the following books for further information: HP 4155B/4156B User’s Guide Measurement and Analysis provides information on how to use the HP 4155B/4156B for performing measurements and analysis.
Test device (n-channel MOS FET, enhancement type) In this guide, the test device used is a Siliconix SD214DE. This guide book assumes that you have already installed your HP 4155B/4156B. If not, refer to ”Installation” in the HP 4155B/4156B User’s Guide General Information.
Making a Measurement In this section, you learn how to execute the measurements with an HP 4155B/4156B and to display the measurement results graphically. Id-Vg measurement of a MOS FET is provided as an example. You learn step-by-step how to perform this measurement.
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1 Interlock/LED cable: HP 16493J 2 Triaxial cable: HP 16493C. You do not need to connect SMU4 for this measurement. 3 Coaxial cable: HP 16493B. You do not need to connect VSUs and VMUs for this measurement. HP 16442A Triaxial cable...
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⇒ SMU 3 1 Interlock/LED cable: HP 16493J 2 Kelvin triaxial cable: HP part number 04155-61602 3 Coaxial cable: HP 16493B. You do not need to connect VSUs and VMUs for this measurement. HP 16442A Kelvin triaxial cable Coaxial cable...
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You make the following connections: Source—SMU1 Gate—SMU2 Drain—SMU3 Substrate—SMU1 Both the source and substrate terminals are connected to SMU1. 5. After finishing connections, shut the lid of the test fixture. Connection cables Gate Drain Source Substrate Wiring for HP 4155B Getting Started 1-5 www.valuetronics.com...
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For this measurement by the HP 4156B, non-Kelvin connections are used. So, connect only the force terminals as shown in the following figure: Connection cables Gate Drain Source Substrate Wiring for HP 4156B 1-6 Getting Started www.valuetronics.com...
You set the connection information on the CHANNELS: CHANNEL DEFINITION page. 1. Switch on the HP 4155B/4156B. Self-test starts. 2. After self-test is finished, make sure that CHANNELS: CHANNEL DEFINITION page appears on the screen of the HP 4155B/4156B. If not, press ¤ ¥...
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Step 4. Define the user functions You define the user functions on the CHANNELS: USER FUNCTION DEFINITION page. ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 1. Select USER FCTN primary softkey. The CHANNELS: USER FUNCTION DEFINITION page appears. 2. Enter the user function information in the table as follows: CHANNELS: USER FUNCTION DEFINITION page You enter the following two user functions: √...
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Step 5. Set up the measurement parameters You set the output parameters on the MEASURE: SWEEP SETUP page. 1. Press ¤ ¥ front-panel key. The MEASURE: SWEEP SETUP page appears. Meas MEASURE: SWEEP SETUP page VAR1’ VAR1 information information 2. Set the VAR1 information as follows: Drain voltage sweeps from 0 V to 2 V with 10 mV step.
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3. Set the VAR1’ information as follows: To force the same voltage to the drain and gate, set RATIO = 1 and OFFSET = 0. Because VAR1’ is defined as follows: ′ (V AR1 output) = RAT IO × (V AR1 output) + OF F SET Action on Front Panel on Keyboard...
Step 6. Set up the results display You set the results display information on the DISPLAY: DISPLAY SETUP page. 1. Press ¤ ¥ front-panel key. The DISPLAY: DISPLAY SETUP page appears. Display DISPLAY: DISPLAY SETUP page DISPLAY MODE ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 2. Make sure GRAPHICS is displayed in the DISPLAY MODE field. If not, select GRAPHIC secondary softkey in the DISPLAY MODE field.
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Action on Front Panel on Keyboard ÆÆÆÆÆÆÆÆÆÆ To enter ”VG” in NAME field, select secondary softkey. press ¤ Shift ¥ ¤ F3 ¥ keys. ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ ¤ Shift ¥ ¤ F1 ¥ To set ”LINEAR” in SCALE select LINEAR secondary softkey. press keys.
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Step 7. Execute the measurement Press ¤ ¥ front-panel key to execute the measurement. Single [Single] key You should get measurement results similar to the following figure. Getting Started 1-15 www.valuetronics.com...
Analyzing the Results In the previous section, you measured the drain current (Id) while performing a synchronous sweep of the gate voltage (Vg) and drain voltage (Vd). And the measurement results were drawn graphically on the screen. In this section, you analyze the measurement results on the graph and search threshold voltage (Vth) of the DUT.
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Find the threshold voltage ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 1. Make sure that MARKER/CURSOR primary softkey is highlighted. If not, select the ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ MARKER/CURSOR primary softkey. MARKER/CURSOR primary softkey ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 2. Select MARKER secondary softkey so that ON appears on the softkey. The MARKER softkey is highlighted, and the markers appears on the measurement curve.
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ÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 3. Select AXIS primary softkey so that Y2 appears on the softkey. The Y2 axis is highlighted. AXIS primary softkey ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 4. Select MARKER MIN/MAX secondary softkey until the * marker moves to the maximum point on the Y2 curve. The o marker (on Y1 curve) also moves to same X-axis point, which is maximum gradient of Y1 curve.
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ÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 5. Select AXIS primary softkey so that Y1 appears on the softkey. The Y1 axis is highlighted. Y1 axis AXIS primary softkey ÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 6. Select LINE primary softkey. The secondary softkey menu changes. Secondary softkeys LINE primary softkey Getting Started 1-19 www.valuetronics.com...
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ÆÆÆÆÆÆÆÆÆÆÆÆÆÆ ÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 7. Select LINE secondary softkey so that ON appears on the softkey. The LINE softkey is highlighted, and a vertical line appears in the center of the plotting area. LINE secondary softkey Line ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 8. Select TANGENT MODE secondary softkey. The line becomes tangent to the o marker of the Y1 curve.
If HP 16442A test fixture is not stable If HP 4155B/4156B cannot be powered on Check that the power cable is firmly connected to HP 4155B/4156B and to power outlet. Check that the front-panel LINE switch is on. Check that the voltage selector switch is set properly.
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If display page does not appear after applying power If HP 41501 is installed, first turn on the HP 41501, then turn on HP 4155B/4156B. If the self-test fails, see ”If You Have a Problem” in the HP 4155B/4156B User’s Guide General Information.
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