SPA100 User Manual (using EPIC 21 software) - work in progress Table of contents Notices ......................3 Copyright ...................... 3 Part number ....................3 Issue ......................3 Location ......................3 Published by ....................3 Notes ......................3 Trademark acknowledgement ................3 Purpose of manual ..................
This manual (or part thereof) may not be reproduced by any means (electronic or photographic, including translation into a foreign language) without prior written consent and agreement from Electron Plus Design Limited as set-out in United Kingdom and international copyright laws.
SPA100 User Manual (using EPIC 21 software) - work in progress Transzorb is a trademark of Vishay General Semiconductor, LLC. Purpose of manual The purpose of this manual is to enable you to safely setup, configure and operate your Electron Plus instrument, associated software and/or accessories.
SPA100 User Manual (using EPIC 21 software) - work in progress Getting Started System requirements We recommend at least Windows 7 operating system (however, we know of Windows XP and 32 bit machines working well with EPIC). EPIC is available in both 32 bit and 64 bit from the Electron Plus website.
SPA100 User Manual (using EPIC 21 software) - work in progress Getting help Help is available by email (preferably) or via telephone. email: support@electron.plus from UK: 01473 327100 international telephone: +44 1473 327 100 If you are experiencing an issue with EPIC, please email a copy of the following files (see below) found in the EPIC installation folder along with a description of the problem.
SPA100 User Manual (using EPIC 21 software) - work in progress Introduction Welcome Congratulations and thank you for purchasing an Electron Plus product. Please take a few minutes to read the ‘Before You Start’ section of this manual, especially as misusing this product can result in damage to it, your device-under-test or potentially place you in-danger.
SPA100 User Manual (using EPIC 21 software) - work in progress New in Software EPIC covers most Electron Plus instruments and not all instruments are updated between versions. V21.012 Bug fixes ASA - addition of manual mode V21.011 Bug fixes...
SPA100 User Manual (using EPIC 21 software) - work in progress Installation sequence Please install the EPIC software and the associated USB driver software BEFORE connecting your device to a computer. You do not need to remove a previous copy of EPIC, the new copy will overwrite the necessary existing file(s).
SPA100 User Manual (using EPIC 21 software) - work in progress Installing the Software Electron Plus products require a USB connection to a PC running EPIC (our proprietary software) in order to function. EPIC now comes in two compiled versions (since version 21.010): EPIC64 - for 64 bit Windows installations &...
SPA100 User Manual (using EPIC 21 software) - work in progress Installing the USB driver The product covered in this document communicates with the host PC via USB using an WCH CH340 bridge IC. A copy of the official WCH device driver is available from the SOFTWARE section of our website (www.electron.plus/software), device drivers can also be downloaded directly from...
SPA100 User Manual (using EPIC 21 software) - work in progress Earthing for function and safety For functional and/or safety reasons you may wish to EARTH the casing of your Electron Plus instrument. This is not necessary under most normal operating conditions.
SPA100 User Manual (using EPIC 21 software) - work in progress Operation Selecting Instrument When EPIC is first installed it will initially start in ASA100 mode. To change this: INSTRUMENT > CHANGE INSTRUMENT and select the actual instrument you wish to use, you will then have to close and reopen EPIC for this to take effect.
SPA100 User Manual (using EPIC 21 software) - work in progress Selecting Serial COM Port To connect to the instrument you will need to select a COM port: INSTRUMENT > SELECT COM PORT then this pop-up window will appear: Follow the on-screen prompts in sequence (for either 'Method 1' or 'Method 2') to find and select the appropriate COM port and save your selection.
SPA100 User Manual (using EPIC 21 software) - work in progress Connecting Instrument To connect to the instrument you can use the options in the MENU or the button on the CONTROL RIBBON. INSTRUMENT > CONNECT to connect, or DISCONNECT to disconnect.
The status of the background download from the SPA100 is displayed in the Status window (seen below). If a particular SPA100 has not been used with a particular installation of EPIC, then the calibration download must complete before accurate results can be obtained.
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SPA100 User Manual (using EPIC 21 software) - work in progress overwrite "SPA_cal.txt" with the new data and then check it again. 18 / 24...
Technical SPA100 Bias Generator The bias generator output of the SPA100 is a low power class A amplifier. It is primarily design to provide a bias voltage for photodiodes in low-current measurement situations. The output impedance is 2.7Kohms, this is after the feedback network, so some drop should be expected depending on load impedance.
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