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PVM-4140 - DEI Pulse Generators


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  • Model: PVM-4140
  • Manufactured by: DEI
  • Max. V(out): 3.0kV
  • Channels: 1
  • Max. Pulse Rep. Freq.: 25.00kHz
  • Extra Specifications: Modular Pulser Generators

DEI modular pulse generators are designed as compact, economical high performance pulse generators for use in spectrometers, accelerators, radar transmitters and other equipment and instruments requiring high voltage, precision voltage pulses. Their versatile design also makes them well suited for use in laboratory and test environments, in which a benchtop or rack mount instrument may not be the optimum choice.
The PVM-4140 is a compact, OEM-style pulse generator module producing fast, high voltage wave forms to 3,000V. Optimized for high impedance capacitive loads, the PVM-4140 is well suited for driving extraction grids and deflection plates for electrostatic modulation of particle beams in time-of-flight mass spectrometers and accelerators.
Its robust and versatile design also makes it well suited for pulsing or gating power tube grids, Pockels cells and Q Switches, acoustic transducers, microchannel plates, photomultiplier tubes and image intensifiers. The exceptional pulse fidelity of the PVM-4140 will optimize the performance of any system in which it is used.
Scaled internal voltage and current monitors provide a straightforward means to view the output voltage and current waveforms in real-time.
The pulser is a half-bridge (totem pole) design, offering equally fast pulse rise and fall times, low power dissipation, and virtually no over-shoot, under-shoot or ringing.
The PVM-4140 has over-current detection and shut-down circuitry to protect the pulse generator from potential damage due to arcs and shorts in the load or interconnect cable.
The PVM-4140 incorporates all control and protection logic circuitry, energy storage and output network. It can be connected directly to the load, and does not require series or shunt resistors, impedance matching networks between the pulser and the load, or additional energy storage (capacitor banks). All of this is taken care of within the PVM-4140. The pulser is housed in an aluminum enclosure, with threaded mounting holes in the base to simplify installation and assembly in OEM applications.
The PVM-4140 pulser is a direct-coupled, all solid-state design using air as the primary insulating medium. Its conservative design margin gives you long component life. And keeping the PVM-4140 free of potting compound or encapsulation materials makes it easy to service if a component ever does require replacement. Some competing products are potted, and must be replaced if they fail. But compactness and durability are not all you get in the PVM-4140.
Inherent in the design is exceptional pulse fidelity with virtually no ringing, over-shoot or under-shoot, high average power handling capability, and protection against arcs, shorts and load transients in a reliable, economical module.

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