Related Manuals for Megaimpulse NPG30PN12
Summary of Contents for Megaimpulse NPG30PN12
- Page 1 NPG30PN12, NPG30P12, and NPG30N12 TWO-CHANNEL NANOSECOND PULSE GENERATORS WITH PRECISE CONTROL OF CHANNEL-TO-CHANNEL DELAY USER MANUAL v. 1.0 © 2024 Megaimpulse Ltd.
- Page 2 FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF MEGAIMPULSE LTD. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
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Page 3: Table Of Contents
Front panel in detail ..................10 Putting into operation ................... 13 External triggering ..................15 Electronic fuse ..................... 18 Warranty ...................... 18 Appendix A. List of preset frequencies and number of pulses in a burst ....... 19 User manual of NPG30PN12, NPG30P12, NPG30N12... -
Page 4: What Are In The Package
BNC-to-BNC cables for connection to the external triggering source; BNC-to-BNC cables for registering the SYNC OUT pulses. Fig.1. General view of NPG30PN12 (the first channel has positive pulse polarity and the second channel has negative pulse polarity). MEGAIMPULSE LTD. - Page 5 The generators can operate with any type of the load including matched load, high-impedance load and discharge reactor. NPG30PN12 allows to get up to 120 kV differential pulse voltage on a common floating load when both channels operate synchronously. User manual of NPG30P12, NPG30N12, NPG30PN12...
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Page 6: Safety Manual
Do not leave it in a wet place. Place the generator on a stable surface. If you encounter any technical problems with the generator, please contact Megaimpulse Ltd. Do not attempt to repair the generator yourself. MEGAIMPULSE LTD. -
Page 7: Technical Specification
+2.4 V ... +5 V @ 50 Ohm; SYNC IN connectors BNC-type Internal generator delay approx. 600 ns from triggering to HV pulse SYNC OUT pulses; +5V amplitude; connectors BNC-type Power supply AC 110-230V, 50-60 Hz User manual of NPG30PN12, NPG30P12, NPG30N12... - Page 8 0.1 ns for matched or high impedance load; it may be increased up to a few ns for operation on discharge reactor(s). MEGAIMPULSE LTD.
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Page 9: Front Panel
– Electronic fuse – Main power supply ON/OFF toggle switch Two HV output connectors, main power supply connector, and the fans inlets/outlets are located on the rear panel. User manual of NPG30PN12, NPG30P12, NPG30N12... -
Page 10: Basic Operation Principles
BNC SYNC IN connector. In case of successful triggering, the EXT SYNC indicators blink with 2 Hz frequency and confirm the triggering. Please see the External triggering section of the User Manual for more details. User manual of NPG30P12, NPG30N12, NPG30PN12 MEGAIMPULSE LTD. - Page 11 Number of pulses per BURST / per second from 1 to 1000, the default value is 1000; The channel-to-channel DELAY from -9.75 ns to +54 ns, the default value is 0 ns; Pulse ENERGY from 40% to 100%, the default value is 50%. MEGAIMPULSE LTD. User manual of NPG30PN12, NPG30P12, NPG30N12...
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Page 12: Front Panel In Detail
The channel control system is always triggered. Therefore, the disabled channel can be master, and, for example, in case of external triggering, the enabled slave channel may be delayed relative to the SYNC IN signal of the master channel. MEGAIMPULSE LTD. - Page 13 CH1→CH2 lights on, while CH2 is master when CH2→CH1 lights on. In case of one channel external triggering, this channel is set as master. In case of both channels external triggering, the delay module is deactivated and 4-digit display lights off. User manual of NPG30PN12, NPG30P12, NPG30N12...
- Page 14 OUT connectors, which allows testing the successful triggering and the triggering sequence without applying HV pulses to the load. Push the knob again to toggle back to pulse ENERGY mode. Main power supply ON/OFF toggle switch. Electronic fuse. MEGAIMPULSE LTD.
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Page 15: Putting Into Operation
After the first testing of the generator, it is highly recommended to check whether the tight contact was attained. Unscrew the cable connector. There should be no ozone or burnt smell from the connectors or any burnt traces. User manual of NPG30PN12, NPG30P12, NPG30N12... - Page 16 Fig.4. The load side connection: the HV central wire of the coaxial cable (1) in solid PE insulator (2), the Teflon cone insulator (3) which prevents unwanted arcing, and the ground contact (4), i.e. screw and nut on the clamp connected to the coaxial cable braid. MEGAIMPULSE LTD.
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Page 17: External Triggering
6. If both channels are set to external triggering mode, then they operate independently; the delay module is deactivated and the 4-digit LED display lights off. User manual of NPG30PN12, NPG30P12, NPG30N12... - Page 18 (see Fig.5). Fig.5. External triggering mode. Channel 1 (orange line) is the external triggering pulses applied to SYNC IN connector, Channel 2 (green line) is the SYNC OUT pulses. Each triggering pulse results in a single output HV pulse. MEGAIMPULSE LTD.
- Page 19 (Channel 1, orange line) is shown in Fig.6. Fig.6. External burst enable mode. The burst of five output pulses (Channel 2, green line) is formed by a single triggering pulse (Channel 1, orange line). User manual of NPG30PN12, NPG30P12, NPG30N12...
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Page 20: Electronic Fuse
If the fuse breaks the power supply again, then please consult the manufacturer. WARRANTY Please see your sales agreement to determine the warranty period and condition. The generator has warranty seals. Removing the warranty seals and unauthorized opening of the generator enclosure terminates the warranty. MEGAIMPULSE LTD. -
Page 21: List Of Preset Frequencies And Number Of Pulses In A Burst
35 kHz 0.700 040.0 700 Hz 40 kHz 0.800 045.0 800 Hz 45 kHz 0.900 050.0 900 Hz 50 kHz *) The default value of 100 Hz is set when the generator is powered on. User manual of NPG30PN12, NPG30P12, NPG30N12... - Page 22 0090 0005 0100 0006 0200 0007 0300 0008 0400 0009 0500 0010 0600 0020 0700 0030 0800 0040 0900 0050 1000 1000 *) *) The default value of 1000 pulses is set when the generator is powered on. MEGAIMPULSE LTD.
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