Pattern generator DG-8000
General purpose 6 channel pulse generator |

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Extensive options other than general-purpose 6-channel pulse generator |
· If you use the inverter/PPG option, you can easily output the control signal of the inverter. · If you use the simple sync option, you can output sync up to 3 units (18CH). |
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Introduction of useful software |
・Modulation arbitrary waveform creation program You can create modulated arbitrary waveforms, operation pattern control waveforms, and PPG waveforms in PPG mode. |
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・Serial data creation sample program You can create "UART", "SPI", and "I2C" serial data. |
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Easily generate independent 6-channel pulses |
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Seamless change |
· The frequency and pulse width can be changed seamlessly during oscillation. |
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Tracking function |
· The pulse width and delay time can be changed simultaneously for any combination of channels. |
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Gap time control |
· Dead time can be easily controlled by the combination between specific channels. |
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External modulation function (Option DG-601) |
· Pulse width modulation and delay time modulation can be performed by an external signal. |
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Operation pattern control (Option DG-801) |
· A continuous operation test can be performed by performing frequency variable control. |
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Synchronization of multiple units (Option DG-602) |
· Synchronous output of 3 units (18 channels) is possible with the simple synchronization option |
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Example of synchronizing 3 DG-8000 units with the simple synchronization option |

Features as "inverter control signal generator"
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Inverter control signal generation (Option DG-801) |
· You can easily generate the control pulses needed to test the inverter. · It can output four types of control signals: back chopper, single-phase bipolar, single-phase unipolar, and three-phase two-level. |
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Seamless change |
· The frequency and pulse width can be changed seamlessly during oscillation. |
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Gap time control |
· It is possible to prevent devices in the UX phase, VY phase, and WZ phase from turning on at the same time. |
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External modulation function (Option DG-601) |
· Pulse width modulation and delay time modulation can be performed by an external signal. |
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Operation pattern control (Option DG-802) |
· A continuous operation test can be performed by performing frequency variable control. |
Inverter control signal generation method and output example
A control signal can be generated by setting "1. Carrier frequency Fc", "2. Modulation frequency Fm", and "3. Modulation degree (ratio of amplitude of modulated wave to carrier amplitude)". |
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Output example of control
signal of 3-phase 2-level inverter [Click the image to
enlarge. ]

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Gap time control prevents up and down on
With the gap time
control, the set dead time is automatically generated. |
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Preventing the upper and
lower power devices of the inverter from turning on at the same
time Controlling the gap time is troublesome, which helps to improve
development efficiency.
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Example of variable frequency control of PWM (pulse width modulation) signal
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Features as an "arbitrary pulse pattern generator (PPG)"
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Arbitrary pulse pattern signal generation (Option DG-801) |
· The PPG function operates as a 6-channel complex logic signal generator with a pulse pattern prepared in advance. · Waveform patterns can be created with the waveform creation application (free). · Frequency specification mode: Specify the repetition frequency of the arbitrary pulse pattern. · Clock specification mode: Specify the output frequency for each data. |
6-channel pulse generator performance
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Number of output channels |
6CH (non-insulated) |
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Output level |
±10V (open)/±5V (50Ω) |
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OR output |
Output valid CH of CH1 to CH6 to CH1 |
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interface |
Storage
(USB) |
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Screen display |
4.7 inch color LCD |
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Output mode |
BASIC
(6CH independent control), INVERTER, PPG, operation pattern |
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External modulation |
Hardware option |
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Simple sync |
Hardware option |
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