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Vibration Testing Method for Automotive Wiring Harness Connector

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
1. Test Condition: Conduct the vibration testing on the automotive wiring harness connector under supplied at 12 VDC/1 A. 2. Test Criteria: If the resistance of the wiring harness connector exceeds 7.0 Ω for more than 1 microsecond (us), it defines an electrical discontinuity. 3. Test Circuit: ...

PBZ Series: How to Output Synchronised Square Wave from TRIG OUT Terminal

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
PBZ Series: How to Output Synchronised Square Wave from TRIG OUT Terminal To transmit a synchronised trigger pulse for output, you can create a trigger signal output (TRIG OUT): through the sequence function or with the following settings. When you output a square wave signal, it is easier to configure the following settings. The settings are available in a single operation ...

Current and Voltage Accuracy in Two Setting Methods

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
Current and Voltage Accuracy in Two Setting Methods When setting the output current or voltage from DC power supply, a higher accuracy can be achieved by panel setting or remote PC setting instead of ammeter adjustment. Below explains the accuracy difference between these two methods taking ...

How to Enable Positive/Negative Output from DC Power Supply

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
How to Enable Positive/Negative Output from DC Power Supply DC power supply can provide dual (positive and negative) output by following the method described in Section 1 below. 1. How to Produce Positive/Negative Output 1. Connect Power Supply 1 to Power Supply 2 in series. 2. Connect COM terminal to GND terminal. 3. Set each voltage from Power Supply 1 and 2. ...

PLZ Series: How to Effectively Improve Safety during Load Testing of Non-isolated AC/DC Converter

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
PLZ Series: How to Effectively Improve Safety during Load Testing of Non-isolated AC/DC Converter Considering minimising the potential shock hazard, the use of an isolation transformer or regulated power supply is critical during load testing of a non-isolated AC/DC converter (such as PFC). This white paper explains; what happens without an isolation transformer or regulated A...

PBZ Series: How to Change Pulse Width Using Sequence Function

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
PBZ Series: How to Change Pulse Width Using Sequence Function PBZ Series can change the square waveform frequency and duty cycle. Using the sequence function, you can also change the pulse width. The following sections explain how to change the pulse width according to Ton/Toff specified in figure 1 and table 1. ...

How to Calculate Input Current for PCR-LE/MA Series

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
How to Calculate Input Current for PCR-LE/MA Series Before installing PCR-LE or MA Series, you may want to know how much current should be supplied from the distribution board. The best way is to calculate the current consumption (= input current) of your PCR-LE or MA Series. Here are the examples how to calculate the input current based on your output requirement (your outp...

Parallel Operation with Different Power Supply Models

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
Parallel Operation with Different Power Supply Models The same model of Kikusui DC power supplies can be connected in parallel. By connecting the signal cables, one unit is set as the master unit and it can control the other units. This operation is called as ‘master-slave parallel operation’. Master-slave parallel operation is not available when connecting the different ...

CC-CV Charging System without Series Diode

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
CC-CV Charging System without Series Diode To charge batteries, it is recommended that you connect a diode in series at an output of DC power supply (See Figure 1). With a diode, constant current (CC) can be properly supplied; however constant voltage (CV) may be unstable if using remote sensing at battery terminals. Without a diode, a high c...

How do I pick the right spectrum analyser for my application?

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
Introduction The SIGLENT SSA3000X, SSA3000X Plus and ...

Programming Example: SSA/SVA analyser screen image capture using Python over LAN

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
Here is a brief code example written in Python 3.4 that uses a socket to pull a display image (screenshot) from a SIGLENT SSA/SVA analyser via LAN and save it to the local drive of the controlling computer. NOTE: This program saves the picture/display image file in the same directory that the .py file is being run from. It will overwrite any existing file that has the same na...

Build FM NRSC masks for SIGLENT SSA3000X/SVA1000Xs using a Python script

Posted on: June 22nd, 2021 by Doug Lovell

22/06/2021
Many broadcast applications require monitoring a transmitter and observing the output amplitude vs. frequency. For FM radio applications, a common mask is defined by the National Radio Systems Committee (NRSC) and is commonly referred to as the FM NRSC mask. A very helpful SIGLENT owner, Dan from Alabama Broadcast Servi...

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