AGILENT TECHNOLOGIES - U3606AU3606A - MULTIMETER + DC POWER SUPPLY | Buy Now!Buy Now!
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Increase test efficiency with the next generation one-box supply-and-measure solution
Product Introduction
In today’s semiconductor market, instruments such as voltmeters, ammeters, ohmmeters, multimeters, and AC/DC power sources are commonly used for testing. Engineers and technicians use these instruments to test transistors, capacitors, diodes, and many other semiconductor parts and devices.
The Agilent U3606A Multimeter|DC Power Supply represents a new generation of instruments, providing 5½ digit display and 30 W DC power supply functions. It is specifically built for applications that require multimeter and DC power supply concurrently while elevating performance to the next level.
Combining two instruments into one will free up your work space on the test rack and bench, while lowering cost. The combined approach also allows a single connection, rather than two separate connections from the multimeter and DC power supply to your PC. Hence, when programming remotely, the possibility of connection errors are lower.
Since a digital multimeter and a DC power supply are required to carry out tests on a Zener Diode and a DC-to-DC converter, the U3606A is the best choice for this application.
Diode Test
How do engineers and technicians carry out test on a diode? They use a digital multimeter with a DIODE test function. The test is relatively easy. First, users can use the probes from a digital multimeter to connect both the anode and cathode of a diode, and check if the condition of the diode is forward-biased or reverse-biased.
When the diode is forward-biased, the digital multimeter will display an approximate value: from 0.5 to 0.8 V (see Figure 1). If the diode is reverse-biased, an open-circuit sign will be displayed on the digital multimeter. That means there is no connection found.
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Zener Diode Test
A Zener diode exhibits different characteristic than a conventional diode. The Zener diode is designed to reliably and safely allow a breakdown phenomenon, so that it can be used in reverse to maintain a fixed voltage across its terminal. Besides, the Zener diode allows current to flow not only in the forward-biased, but also in the reverse-biased condition when the voltage is above a certain value.
Therefore, testing on Zener diodes must be carried out differently than with conventional diodes. The Zener diode I-V characteristic with a 12 V breakdown voltage. To acquire the Zener voltage level, a digital multimeter and a DC power supply are required. The DC power supply is used to adjust the input voltage to a suitable value for the Zener diode under test, while the digital multimeter is used to measure the breakdown voltage. The purpose of a resistor placed between the DC power supply and the Zener diode is to limit the current through the Zener diode.
No current will flow until the voltage across the Zener diode is equal to the Zener voltage. If the diode is connected in an opposite direction (reverse-biased), current will flow at low voltage: from 0.5 to 0.8 V. The Zener diode is defective when current flows at low voltage in both directions.
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Zener Diode Test with the U3606A
The U3606A Multimeter|DC Power Supply is a two-in-one instrument which has the functions of both multimeter and DC power supply. Thus, the U3606A is a better one-box supply-and-measure solution for a Zener diode test. Figure 5 shows the U3606A providing a voltage source to a Zener diode with a resistor in between.
There are several advantages in using the U3606A to carry out tests on the Zener diode, including ease of operation, space and cost savings, and fewer connectivity problems.
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DC-to-DC Converter Test
A DC-to-DC converter test is another application that requires both a digital multimeter and a DC power supply. The test setup is easy. A DC power supply is connected to the input of a DC-to-DC converter. A digital multimeter is then used to measure the output of the DC-to-DC converter.
For example, in testing on a 12 to 5 V DC-to-DC converter, the DC power supply provides a source of 12 V (11.4 to 12.6 V) DC voltage to a DC-to-DC converter. The DC-to-DC converter 5V output is then measured with the digital.
A test carried out on the DC-to-DC converter is made even easier by using the U3606A, because only one instrument is required. Similar testing on a Zener diode, using the U3606A in this scenario costs less, saves work space, causes fewer connectivity problem, and is easy to use.
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| Man Part No. | Description |
| U3606AU3606A | MULTIMETER + DC POWER SUPPLY |