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Marx Generator

MG24-20C-2700PF-PFN

Part Number: MG24-20C-2700PF-PFN

APELC’s MG24-20C-270PF-PFN Marx generator features a 24-stage, pulse-forming network (PFN) designed to source higher impedance microwave tubes. It includes a “by-pass” copper sulfate water resistor in the design for impedance matching, and to accommodate load impedances from 100 Ω to 200 Ω. This system is unique as its integrated PFN delivers a rectangular pulse to the load.The generator features a second ‘dummy-load’ port to facilitate a wide range of real-load impedances for both matching and waveform verification.

The system comes standard with several diagnostics, including a voltage monitor, a Rogowski monitor, and a B-dot monitor. The system also includes an internal safety dump and an optional side-mounted high voltage trigger unit.

CHARACTERISTICS

  • Maximum open-circuit voltage: 840 kV
  • Maximum peak voltage into matched load: 420 kV
  • FWHM: 260 ns
  • Ripple: ± 10%
  • Voltage rise time: 70 ns (10-90%)
  • Energy per pulse: 20 J (at 8 kV charge) – 800 J (at 35 kV charge)
  • Maximum repetition rate: 30 Hz
  • Maximum number of pulses in burst: 10

PRODUCT OVERVIEW

The following items are included with the MG24-20C-2700PF-PFN:

  • PFN-Marx generator
  • High voltage charge cable with quick connections
  • High voltage trigger cable with quick connections
  • Air lines
  • Resistive dummy load with Current Viewing Resistor (CVR)
  • Resistive by-pass load with CVR
  • D-dot probe with BNC port
  • Rogowski probe with BNC port
  • Pneumatic dump circuit with resistive load
  • 1 additional PFN stage

The following items are optional:

  • Integrated high voltage trigger unit mounted to side of the Marx generator
  • Power and control rack – smart or manual

The following items are required for proper implementation of the MG24-20C-2700PF-PFN:

  • Constant-current, high-voltage power supply
  • High-voltage trigger unit
  • Pressurized breathable dry air source
  • In-line charge resistor
Parameter Description Value Unit
Verect Erected voltage (min – max) 120 – 800 kV
N Number of Marx Generator stages 24
Vch Charge voltage (min – max) 5 – 30 kV
ZPFN Stage PFN impedance (approximate) 4 Ohm
Cbasis Basis capacitor 2700 pF
Zsource Impedance of the Marx generator 100 Ohm
Zload Typical load impedance1 100 – 200 Ohm
TPW Approximate pulse width (3 dB points) 260 ns
Trise Approximate rise time (10 – 90%) 70 ns
Epulse Energy per pulse at min charge

Energy per pulse at max charge

20

580

J

J

Pmax Maximum peak power 1.78 GW
TRR Maximum pulse repetition rate 30 Hz
NPB Maximum number of pulses per burst 10

HIGH-VOLTAGE COMPONENT ADD-ONS

APELC’s selection of add-on features for high-voltage components are designed to increase safety and usability.

CONNECTORS

Rugged high-voltage quick disconnect cable connectors for voltages up to 700 kV.

DIAGNOSTICS

Integrated high-speed current diagnostics in high-voltage quick disconnects.

SOFTWARE

Software to increase user safety and reduce time spent in testing.

TERMINATION

Termination and monitoring capability for a high-voltage, high-power pulse without radiating equipment.

TRIGGER GENERATORS

Providing the trigger pulse to a Marx Generator through a pulse forming circuit.

POWER & CONTROL RACKS

Fully integrated power and control units to deliver a turnkey package for our pulsed power systems.

REQUEST A QUOTE

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