±1500V Pulse Output

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PVM-4150 1500V PULSE GENERATOR MODULE
±1500V Pulse Output <25ns Rise Fall Times <60ns Pulse Width >75KHz Pulse Repetition Frequency Optimized Drive Deflection Plates, Grids Other Capacitive Loads Protected Against Arcs, Shorts Load Transients Economical, Modular Solid State Design
PVM-4150 compact, OEM-style pulse generator module producing fast, high voltage wave forms 1,500V. Optimized driving high impedance capacitive loads, PVM-4150 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-4150 will optimize performance system which used. PVM-4150 will generate output voltage pulse 1500 volts with rise fall times less than 25ns, with very flat voltage pulses into capacitive load. generate singled-ended output pulses from ground +1500V from ground -1500V, also generate pulses originating from voltage offset from ground using both VLow VHigh power supply inputs. PVM-4150 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. pulser half-bridge (totem pole) design, offering equally fast pulse rise fall times, power dissipation, virtually over-shoot, under-shoot ringing. PVM-4150 over-current detection shut-down circuitry protect pulse generator from potential damage arcs shorts load interconnect cable.
Unlike some competing solid state switches, PVM-4150 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-4150. pulser housed aluminum enclosure, with threaded mounting holes base simplify installation assembly applications. PVM-4150 pulser direct-coupled, solid-state design using primary insulating medium. conservative design margin gives long component life. keeping PVM-4150 free potting compound encapsulation materials makes easy service component ever does require replacement. Some competing products potted, must replaced they fail. compactness durability PVM-4150. 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: Output Cable: ±1500 Volts High VLow) Volts Controlled Power Supply Input Voltages <25ns, typically <20ns (10% 90%) <60ns (typically 50ns) Controlled Input Gate Single shot 75KHz 1500V output, 1MHz maximum limited power dissipation (1), 5MHz Burst, Controlled Input Gate High VLow) Continuous 114ns Typical <1ns shot-to-shot SHV, Panel RG-62 (93) Coaxial Cable, feet (~61cm) long
50ns Minimum Pulse Width, 1500V Output
(25ns/Div horizontal scale, 250V/Div vertical scale)
INPUT VOLTAGE +VIN High Absolute Max. Value: +1500 Volts Absolute Min. Value: -1500 Volts Relative Max. Value: +1500 Volts over VLow Voltage Relative Min. Value: Over VLow Voltage Input Connector: SHV, Panel INPUT VOLTAGE -VIN Absolute Max. Value: +1500 Volts Absolute Min. Value: -1500 Volts Input Connector: SHV, Panel GATE Gate Source: Gate Input: Connector: GENERAL Support Power: External into BNC, Panel
<19ns Rise Time, 1500V Output
(25ns/Div horizontal scale, 250V/Div vertical scale)
Typical Output Waveform, 1500V
(1µs/Div horizontal scale, 250V/Div vertical scale)
+24VDC +28VDC 250mA Operating Current, Starting (inrush) current Dimensions (Excluding Con- (152mm 305mm 51mm nectors): Weight (Approximate): Ounces (1.13 Kilograms)
SPECIFICATIONS SUBJECT CHANGE WITHOUT NOTICE
These specifications measured driving 50pF load connected with feet RG-62 cable, 1500V output. However PVM-4150 drive loads picofarads several hundred picofarads capacitance, limited maximum power dissipation capability lower load capacitances and/or voltages less then 1500V, PVM-4150 operate continuous pulse recurrence frequencies 1MHz. PVM-4150 also drive resistive inductive loads, within limitations. Contact additional information applications assistance. power dissipated PVM-4150 when driving capacitive load defined formula CV2F, where total load capacitance, including capacitance load, interconnect cable, internal capacitance PVM-4150, pulse voltage, pulse repetition frequency total pulses second). (For these calculations, internal capacitance PVM-4150 200pF, RG-62 cable 13pf/foot.) Given maximum dissipation 50W, maximum load capacitance, frequency and/or voltage which PVM4150 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.
>75KHz Frequency, 1500V Output
(5µs/Div horizontal scale, 250V/Div vertical scale) 9200-0217 Directed Energy, Inc. 2000
Directed Energy, Inc. IXYS Company 2401 Research Blvd., Suite Fort Collins, 80526 970-493- 1901 Fax: 970-493-1903 Email: deiinfo@directedenergy.com Web: http://www.directedenergy.com

±1500V Pulse Output

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