±3000V Pulse Output

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PVM-4140 ±3000V PULSE
±3000V Pulse Output <25ns Rise Fall Times <60ns Pulse Width >25KHz Pulse Repetition Frequency Optimized Drive Deflection Plates, Grids, Pockels Cells Other Capacitive Loads Protected Against Arcs, Shorts Load Transients Voltage Current Monitor Outputs Economical, Modular Solid State Design
PVM-4140 compact, OEM-style pulse generator module producing fast, high voltage wave forms 3,000V. Optimized high impedance capacitive loads, PVM-4140 well suited driving extraction grids deflection plates electrostatic modulation particle beams time-of-flight mass spectrometers accelerators. robust versatile design also makes well suited pulsing gating power tube grids, Pockels cells Switches, acoustic transducers, microchannel plates, photomultiplier tubes image intensifiers. exceptional pulse fidelity PVM-4140 will optimize performance system which used. PVM-4140 generates output voltage pulse 3,000 volts with rise fall times less than 25ns, with very flat voltage pulses into capacitive load. generate singled-ended output pulses from ground +3000V from ground -3000V, also generate pulses originating from voltage offset from ground using both VLow VHigh power supply inputs. PVM-4140 requires user-supplied +24VDC +28VDC support power, gate signal, high voltage power supply optional offset supply inputs. output pulse width frequency controlled gate signal. pulse output voltage controlled amplitude input power supplies. Scaled internal voltage current monitors provide straightforward means view output voltage current waveforms real-time. pulser half-bridge (totem pole) design, offering equally fast pulse rise fall times, power dissipation, virtually over-shoot, under-shoot ringing. PVM-4140 over-current detection shut-down
circuitry protect pulse generator from potential damage arcs shorts load interconnect cable. Unlike some competing solid state switches, PVM-4140 incorporates control protection logic circuitry, energy storage output network. connected directly load, does require series shunt resistors, impedancematching networks between pulser load, additional energy storage (capacitor banks). this taken care within PVM-4140. pulser housed aluminum enclosure, with threaded mounting holes base simplify installation assembly applications. PVM-4140 pulser direct-coupled, solid-state design using primary insulating medium. conservative design margin gives long component life. keeping PVM-4140 free potting compound encapsulation materials makes easy service component ever does require replacement. Some competing products potted, must replaced they fail. compactness durability PVM-4140. Inherent design exceptional pulse fidelity with virtually ringing, over-shoot under-shoot, high average power handling capability, protection against arcs, shorts load transients reliable, economical module.
DIRECTED ENERGY INCORPORATED
SPECIFICATIONS (All specifications measured into 50pF load connected with feet (~0.6m) RG-62 (93) coaxial cable)
OUTPUT Maximum Value: Minimum Value: Means Adjustment: Pulse Rise Fall Time: Pulse Width: Pulse Recurrence Frequency (PRF): Max. Average Power: Max. Duty Cycle: Droop: Over/undershoot: Throughput Delay Jitter: Output Connector Cable: ±3000 Volts (VHigh VLow) Volts Controlled Power Supply Input Voltages <25ns (10% 90%) <60ns (typically 55ns) Controlled Input Gate Single shot >25KHz 3000V continuous output, maximum limited power dissipation (1), 5MHz Burst, Controlled Input Gate (VHigh VLow) Continuous 120ns Typical <200ps shot-to-shot SHV, With feet (~61cm) RG-62 (93) Coaxial Cable
55ns Minimum Pulse Width, 3000V Output
(25ns/Div horizontal scale, 500V/Div vertical scale)
INPUT VOLTAGE +VIN (VHigh) Absolute Max. Value: +3000 Volts Absolute Min. Value: -3000 Volts Relative Max. Value: +3000 Volts over VLow Voltage Relative Min. Value: Over VLow Voltage INPUT VOLTAGE -VIN (VLow) Absolute Max. Value: +3000 Volts Absolute Min. Value: -3000 Volts Input Connectors: SHV, Panel (One each +VIN -VIN) GATE Gate Source Connector into into connector panel VOLTAGE CURRENT MONITORS Voltage Monitor: 1000:1 into Meg, connector Current Monitor: 10A/V into connector GENERAL Support Power: +24VDC +28VDC 250mA Operating Current, Starting (inrush) current Dimensions (Excluding Con- 9.8" 10.2" (249mm 259mm 51mm nectors): Weight (Approximate): Ounces (1.6 Kilograms)
<25ns Rise Fall Times, 3000V Output
(50ns/Div horizontal scale, 500V/Div vertical scale)
Typical Output Waveform, 3000V
(100µs/Div horizontal scale, 500V/Div vertical scale)
SPECIFICATIONS SUBJECT CHANGE WITHOUT NOTICE
These specifications measured driving 50pF load connected with feet RG-62 cable, 3000V output. However PVM-4140 drive loads picofarads several hundred picofarads capacitance, limited maximum power dissipation capability(1) lower load capacitances and/or voltages less then 3000V, PVM-4140 operate continuous pulse recurrence frequencies 400KHz. PVM-4140 also drive resistive inductive loads, within limitations. Contact additional information applications assistance.
>5MHz Burst Frequency, 3000V Output
(250ns/Div horizontal scale, 500V/Div vertical scale) #9200-0207 Directed Energy, Inc. 2000
power dissipated PVM-4140 when driving capacitive load defined formula CV2F, where total load capacitance, including capacitance load, interconnect cable, internal capacitance PVM-4140, pulse voltage, pulse repetition frequency total pulses second). (For these calculations, internal capacitance PVM-4140 120pF, RG-62 cable 13pf/foot.) Given maximum dissipation 50W, maximum load capacitance, frequency and/or voltage which PVM4140 operate approximated using this formula. This formula also approximates high voltage power supply requirements needed drive given load specific voltage frequency. This formula applicable when driving resistive inductive loads.
Directed Energy, Inc. 2401 Research Blvd., Suite Fort Collins, 80526 970-493-1901 Fax: 970-493-1903 Email: deiinfo@directedenergy.com Web: http://www.directedenergy.com

±3000V Pulse Output

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