PVX-4140 pulse generator produces fast, high voltage wave forms 3,500V

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PVX-4140 pulse generator produces fast, high voltage wave forms 3,500V

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PVX-4140
PVX-4140 pulse generator produces fast, high voltage wave forms 3,500V. Optimized high impedance capacitive loads, PVX-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 PVX-4140 will optimize performance system which used. PVX-4140 generates output voltage pulse 3,500 volts with rise fall times 25ns less, with very flat voltage pulses into capacitive load. generate singled-ended output pulses from ground +3500V from ground -3500V, also generate pulses originating from voltage offset from ground using both VLow VHigh power supply inputs. This offset from -3500V +3500V, with maximum power supply voltage differential 3500V. PVX-4140 requires user-supplied 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. When input gate high, VHIGH supply connected output. When input gate low, VLOW supply
±3500V Pulse Output 25ns Rise Fall Times 60ns Pulse Width >30KHz Pulse Repetition Frequency Optimized Drive Deflection Plates, Grids, Pockels Cells Other Capacitive Loads Protected Against Arcs, Shorts Load Transients Voltage Current Monitor Outputs
connected output. Therefore PVX-4140 used generate negative-going pulse logically inverting input gate, that input gate high until unit pulsed. When input gate goes low, VLOW input supply connected output, thereby generating negative-going pulse. PVX-4140 features front panel indicator LEDs monitor status pulse generator. Front panel instrument-quality voltage current monitors provide straightforward means view output voltage current waveforms real-time, eliminating need external high voltage oscilloscope probe. pulse generator direct-coupled, air-cooled solidstate half-bridge (totem pole) design, offering equally fast pulse rise fall times, power dissipation, virtually over-shoot, under-shoot ringing. over-current detection shut-down circuitry protect pulse generator from potential damage arcs shorts load interconnect cable. control protection logic circuitry, support power, energy storage output network incorporated into PVX-4140. connected directly load, does require series shunt resistors, impedance-matching networks between pulser load, additional energy storage (capacitor banks). this taken care within PVX-4140.
DIRECTED ENERGY INCORPORATED
SPECIFICATIONS (All specifications measured into 50pF load connected with feet (~1.8M) RG-59 (75) 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: ±3500 Volts (VHigh VLow) Volts Controlled Power Supply Input Voltages 25ns (10% 90%) 60ns Controlled Input Gate Single shot 30KHz 3500V continuous output, maximum limited power dissipation (1), 5MHz Burst, Controlled Input Gate 100W (VHigh VLow) Continuous 120ns Typical <200ps shot-to-shot SHV, With feet (~1.8M) RG-59 (75) Coaxial Cable
60ns Minimum Pulse Width, 3500V Output
(25ns/Div horizontal scale, 500V/Div vertical scale)
INPUT VOLTAGE +VIN (VHigh) Absolute Max. Value: +3500 Volts Absolute Min. Value: -3500 Volts Relative Max. Value: +3500 Volts over VLow Voltage Relative Min. Value: Over VLow Voltage INPUT VOLTAGE -VIN (VLow) Absolute Max. Value: +3500 Volts Absolute Min. Value: -3500 Volts Input Connectors: SHV, Rear 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: Dimensions (Excluding Connectors): Weight (Approximate): 90VAC 240VAC, 50/60Hz 5.2" (48.25cm 13.2cm 33cm lbs. (8.2 Kilograms)
25ns Rise Fall Times, 3500V Output
(50ns/Div horizontal scale, 500V/Div vertical scale)
Typical Output Waveform, 3500V
(100µs/Div horizontal scale, 500V/Div vertical scale)
SPECIFICATIONS SUBJECT CHANGE WITHOUT NOTICE
These specifications measured driving 50pF load connected with feet RG-59 cable, 3500V output. However PVX-4140 drive loads picofarads several hundred picofarads capacitance, limited maximum power dissipation capability(1) lower load capacitances and/or voltages less then 3500V, PVX-4140 operate continuous pulse recurrence frequencies 400KHz. PVX-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) #9200-0213 Directed Energy, Inc. 2000
power dissipated PVX-4140 when driving capacitive load defined formula CV2F, where total load capacitance, including capacitance load, interconnect cable, internal capacitance PVX-4140, pulse voltage, pulse repetition frequency total pulses second). (For these calculations, internal capacitance PVX-4140 120pF, RG-59 cable 21.5pf/foot.) Given maximum dissipation 100W, maximum load capacitance, frequency and/or voltage which PVX-4140 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. 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

PVX-4140 pulse generator produces fast, high voltage wave forms 3,500V

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