TechnoAP APV8032 Instruction Manual

Multi-channel digital signal processor

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Multi-channel digital signal processor
APV8032
Instruction Manual
Version 1.0.0
December 2021
TechnoAP Co., Ltd.
Add: 2976-15 Mawatari, Hitachinaka-shi, Ibaraki, Postcode: 312-0012
TEL: +81-29-350-8011
FAX: +81-29-352-9013
URL: http://www.techno-ap.com
e-mail: info@techno-ap.com

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Summary of Contents for TechnoAP APV8032

  • Page 1 Multi-channel digital signal processor APV8032 Instruction Manual Version 1.0.0 December 2021 TechnoAP Co., Ltd. Add: 2976-15 Mawatari, Hitachinaka-shi, Ibaraki, Postcode: 312-0012 TEL: +81-29-350-8011 FAX: +81-29-352-9013 URL: http://www.techno-ap.com e-mail: info@techno-ap.com...
  • Page 2: Safety Precautions / Disclaimer

    APV8032 Instruction Manual Safety Precautions / Disclaimer Thank you very much for purchasing the digitizer APV8108-14 (hereinafter "This board") of TechnoAP Co., Ltd. (hereinafter "We"). Please read this "Safety Precautions / Disclaimer" before using this device, be sure to observe the contents, and use it correctly.
  • Page 3: Table Of Contents

    APV8032 Instruction Manual - Table of Contents - Safety Precautions / Disclaimer ......................................2 1. Overview ..........................................5 1.1. Overview ..........................................5 1.2. Feature ..........................................6 2. Specifications .........................................7 3. Appearance........................................9 4. Setup ..........................................12 4.1. Application Installation ..................................12 4.2. Connections ....................................... 12 4.3....
  • Page 4 APV8032 Instruction Manual 10.2. Command error occurs ................................39 10.3. Histogram is not displayed ..............................40 10.4. Change IP address ..................................40 TechnoAP Co., Ltd.
  • Page 5: Overview

    (chassis) and AC power supply can be used directly is marked with APU instead of APV. For example, the model in which the VME-type APV8032 is installed in a unit is called APU8032. This manual also includes a description of the APU8032.
  • Page 6: Feature

    APV8032 Instruction Manual 1.2. Feature The main features are as follows Digital signal processing for gamma-ray spectroscopy Suitable for multi-channel, multi-functional systems such as multi-element detectors and anticompton spectrometers Spectral analysis of scintillation (NaI(Tl), LaBr3(Ce)) detectors Digital Pulse Shaping using highly integrated FPGA Data recording via Ethernet (TCP/IP).
  • Page 7: Specifications

    APV8032 Instruction Manual 2. Specifications (1) Analog Input ・Number of channel ・Input range ±1V *±12V with input protection circuit 1kΩ ・Input impedance ・Coarse gain ×2, ×4 ・Frequency band DC to 16MHz ・First-stage differential circuit 6.8μs fix *Can be changed upon request.
  • Page 8 APV8032 Instruction Manual ・LAN TCP/IP Gigabit Ethernet 1000Base-T, for data transfer For command transparency (6) Current consumption 4.0A (Max.) +12V 0.4A (Max.) -12V 0.4A (Max.) (7) Form ・VME type (VME6U) APV8032 ・Unit type APU8032 (8) Outer diameter dimensions ・VME type (VME6U) 20 (W) x 262 (H) x 187 (D) mm ・Unit type...
  • Page 9: Appearance

    APV8032 Instruction Manual 3. Appearance (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) Picture 1 APV8032 TechnoAP Co., Ltd.
  • Page 10 APV8032 Instruction Manual (1) P (green) lights up when power is turned ON, V (orange) and E (red) are not used (2) Signal A CH1-16 analog input pins Connector is HIF3BA-34PA-2.54DS; input range ±1V, x2 or x4 course gain selected from application, input impedance 1kΩ.
  • Page 11 Refer to the silk in the green frame in the photo below on the board of this device and make settings for each CH input. Picture 2 Board of APV8032 Input part of CH1 Analog pole zero circuit enabled. (1) Green flamer...
  • Page 12: Setup

    (1) Log in to Windows with administrative privileges. (2) Run Setup.exe in the Application folder on the accompanying CD-ROM. Proceed with the installation in an interactive manner. The default installation directory is "C:¥TechnoAP". In this folder, the application's executable file dsp_mca.exe and the configuration file config.ini containing the settings will be installed.
  • Page 13: Setup Of Network

    APV8032 Instruction Manual 4.3. Setup of network Check the communication status of this device and this application by the following procedure. (1) Turn on the PC and change the network information of the PC. : 192.168.10.2 * Addresses not assigned to this device IP address :...
  • Page 14: Application Window

    APV8032 Instruction Manual 5. Application window 5.1. Startup window When this application is run, the following startup screen will appear. Figure 3 Startup window (may differ from image due to options and updates) ・Menu File - open config Load configuration file...
  • Page 15 APV8032 Instruction Manual Config Set all items to this device Clear Initialize histogram data in this device Start Start measurement to this device Stop Stop measurement to this device ・Upper tab Settings for each input CH. config Settings other than input CH and settings related to storage and measurement.
  • Page 16: Tab

    APV8032 Instruction Manual 5.2. CH tab Figure 4 CH tab CH Availability analog coarse gain Analog coarse gain; select from 2x or 4x. Internal amplification of the captured preamplifier output signal. ADC gain Gain of ADC (channels). 8192, 4096, 2048, 1024, 512, 256 channels (ch) to be selected from.
  • Page 17 APV8032 Instruction Manual slow risetime(ns) Rise time of a SLOW-type filter. This is the rise time to reach the upper bottom of the SLOW-type (trapezoidal) filter in the figure below. Shorter values tend to have poorer energy resolution but more throughput, while longer values tend to have better energy resolution but less throughput.
  • Page 18 APV8032 Instruction Manual slow trigger threshold Threshold value for the timing of the start of waveform acquisition for the Slow system filter. Unit is digits. The setting range is from 0 to 8191. The default setting is 50 digits. Set this value up or down by about 10 digits above the noise level where the throughout rate (cps) increases.
  • Page 19 APV8032 Instruction Manual polarity Polarity of the input preamplifier output signal. pos = positive polarity, neg = negative polarity digital coarse gain The gain is digitally selected from 1x, 2x, 4x, 8x, 16x, 32x, 64x, and 128x. In the case of a trapezoidal filter, the integral circuit is calculated by sum-of-products operations;...
  • Page 20 APV8032 Instruction Manual CFD: Constant Fraction Disicriminator Timing For the different preamp waveforms, a and b in the figure below, the following waveforms c, d and e, f and g, h are generated. Waveforms c, d: Waveforms a and b multiplied by CFD function and inverted...
  • Page 21 APV8032 Instruction Manual CFD function Magnification for reducing the original waveform for CFD calculation, selected from 0.125, 0.25, 0.375, 0.625, 0.75, and 0.875. Default is 0.25 to 0.625 times. CFD delay Select the time to delay the original waveform for CFD calculation from 10, 20, 30, 40, 50, 60, 70, and 80ns.
  • Page 22: Config Tab

    APV8032 Instruction Manual 5.3. config tab Figure 10 config tab ・DSP part list read size(byte) Minimum read data length in list mode. Unit is Byte, usually set to 10000. At high count rates, set to 20000 Bytes to allow the PC side to receive many events. At low count rates, lower the setting so that fewer events can be received.
  • Page 23: Status Tab

    APV8032 Instruction Manual 5.4. status tab Figure 11 status tab ・CH part Displays the status of each CH input total count Number of events with input. throughput count Number of inputs processed. input total rate(cps) Number of events with input per second.
  • Page 24: Wave Tab

    APV8032 Instruction Manual 5.5. wave tab The status of signal processing inside this device can be acquired as waveform data with this application. When adjusting signal processing before measurement, the preamp and slow signals from the MONI terminal are checked with an oscilloscope, and this function can do the same.
  • Page 25: Histogram Tab

    APV8032 Instruction Manual 5.6. histogram tab Figure 13 histogram tab Graph Histogram graph, if histogram is selected in mode in config tab, energy histogram is displayed during measurement. Checkbox Selection of whether to display a histogram for each CH in the graph.
  • Page 26 APV8032 Instruction Manual Y mapping Select the mapping for the Y axis of the graph. The Y-axis labels will change according to the settings. linear straight line logarithm smoothing Smoothing function to calculate half-widths when statistics are low. X axis calibration Select the unit of measure for the X axis.
  • Page 27: Initialization

    APV8032 Instruction Manual 6. Initialization 6.1. Checking the preamplifier output signal (1) Connect the preamplifier output signal to an oscilloscope and check the wave height (mV) and polarity. In the case of a transistor-reset preamplifier, a right ascension indicates positive polarity, and a right descent indicates negative polarity.
  • Page 28: 6.4. Analog Course Gain And Analog Pole Zero Adjustment Of Preamplifier Output Signal

    APV8032 Instruction Manual 6.4. Analog Course Gain and Analog Pole Zero Adjustment of Preamplifier Output Signal The ultra-low noise high-speed programmable gain amplifier can amplify signals from the preamplifier that require fast rise time and low noise with high accuracy. The analog course gain can be set by selecting 2x or 4x in the analog course gain in the CH tab.
  • Page 29 APV8032 Instruction Manual (1) Change the analog pole zero setting and adjust the pole zero so that the falling edge is flat while switching between the vertical and horizontal ranges of the oscilloscope Pole zero unadjusted Pole zero unadjusted Overshoot...
  • Page 30 CH that inputs the preamplifier output signal in the photo below. (Removing it will disable the analog pole zero adjustment. Picture 4 Board of APV8032 Part of inuput CH1 To input transistor reset type preamplifier output signal (Remove the jumper in the red frame) (3)...
  • Page 31: Fast Filter Settings

    APV8032 Instruction Manual 6.5. FAST Filter Settings The instrument has FAST filters to obtain time information during radiation detection and SLOW filters to obtain energy (wave height). First, the settings related to the FAST system filter must be configured. The settings have the same characteristics as general timing filter amplifiers.
  • Page 32: Slow Filter Settings

    APV8032 Instruction Manual 6.6. SLOW Filter Settings The SLOW trapezoidal filter performs SLOW trapezoidal shaping on the preamplifier output signal. As an algorithm for the trapezoidal filter (Trapezoidal Filter), the filter block, which consists of a pipelined architecture, calculates the delay, add/subtract, and integral values required for the trapezoidal filter in synchronization with the 100 MHz clock of the ADC.
  • Page 33: Measurement

    APV8032 Instruction Manual 7. Measurement 7.1. Setting (1) Click on Menu Config to send all settings to this device. After execution, the histogram data in the DSP will be initialized. (2) To initialize the last measured histogram or measurement results, click on Menu Clear. To continue with the histogram data without initialization, start the next measurement without clicking on "Clear"...
  • Page 34: List Mode

    APV8032 Instruction Manual 7.4. List mode When the measurement is started by selecting "list" in the mode in the config tab, the following is executed. ⚫ The mode is displayed as "list". ⚫ The save LED blinks and list file size (bytes) displays the size of the file currently being saved.
  • Page 35: File

    APV8032 Instruction Manual 9. File 9.1. Histogram data file (1) File format Comma-separated CSV text format (2) File name Set arbitrarily (3) Component It consists of Header, Calculation, Status and Data parts. [Header] Memo Memo Measurement mode Real Time or Live Time Measurement time Unit is seconds.
  • Page 36 APV8032 Instruction Manual (Not used) Baseline Restorer Selection (not used) (not used) End of each CH Operation Mode Measurement mode Measurement time Clock selection WAVE sampling selection [Calculation] Save for each ROI below ROI_ch Input channel number of the ROI...
  • Page 37: List Data File

    APV8032 Instruction Manual 9.2. List data file (1) File format Binary, network byte order (big-endian, MSB First) format (2) File name The file number is the file path set in the "list file path" in the "config" tab, with 0's and 6 digits appended to it.
  • Page 38: Waveforme Data File

    APV8032 Instruction Manual 9.3. Waveforme data file (1)File format Comma-separated CSV text format (2)File name Set arbitrary (3)Component It consists of a "Header" part, a "Calculation" part, a "Status" part and a "Data" part. ・Header part Measurement mode Measurement time: Measurement setting time. Unit is seconds.
  • Page 39: Troubleshooting

    APV8032 Instruction Manual 10. Troubleshooting 10.1. Connection error occurs If you get a connection error at startup or in menu config, your network may not be connected properly. In this case, check the following. (1) Confirm that the IP in the configuration file config.ini is set to 192.168.10.128, that each port number...
  • Page 40 APV8032 Instruction Manual 10.3. Histogram is not displayed If nothing appears in the histogram tab graph after executing Menu Start, check the following points (1) Set CH1 to ON at plot ON in the histogram tab. Check if input total rate (cps) and throughput rate (cps) are counting.
  • Page 41 APV8032 Instruction Manual TechnoAP Co., Ltd. Add: 2976-15 Mawatari, Hitachinaka-shi, Ibaraki, Postcode: 312-0012 TEL: +81-29-350-8011 FAX: +81-29-352-9013 URL: http://www.techno-ap.com e-mail: info@techno-ap.com TechnoAP Co., Ltd.

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