Custom High Voltage Pulse Modulators

Stangenes Industries designs and produces high-voltage pulse modulators available in custom and standard configurations for military, medical, and industrial applications. Our modulators drive pulse applications such as klystrons, magnetrons, and electron guns as well as many “specialty” systems. We offer solid-state modulators pulsing at just a few kV to over 200 kV, pulse widths ranging from 200 ns to 5 ms, repetition rates up to several kilohertz, and average power ratings of up to 150 kW.

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What Do Modulators Do?

Pulse modulators are essential electronic devices in pulsed power applications, playing a critical role in delivering high-voltage, high-current power bursts with exceptional precision and accuracy. A power pulse modulator typically acts as a switch between a high-voltage power supply and its load, such as a klystron, efficiently managing the flow of energy.

This precise switching capability is significant for applications requiring short, controlled bursts of power, such as medical imaging, radar systems, and particle accelerators, guaranteeing that the energy is delivered precisely when, where, and in the exact amount needed.

Custom High Voltage Pulse Modulators

Types of Modulators

  • Pulse Modulators
    Pulse Modulators

    Pulse Modulators:Pulse modulators convert analog information signals into a pulse format. They encode the amplitude information at specific times through numerous methods, including pulse-width, pulse-density, pulse-position, pulse-amplitude, or pulse-code modulation. These versatile power modulators support a range of applications by allowing precise control over the pulse characteristics.

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  • Klystron Modulators
    Klystron Modulators

    Klystron Modulators:Invented by American electrical engineers Sigurd and Russel Varian in 1937, a klystron is a specialized linear-beam vacuum tube that amplifies high radio frequencies, ranging from UHF to microwave. Low-power klystrons are commonly used in terrestrial microwave relay communications as oscillators, while high-power versions are employed in UHF television transmitters, radar systems, and satellite communication as output tubes. Driven by klystron modulators, high-power klystrons also generate power for modern particle accelerators.

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  • Magnetron Modulators
    Magnetron Modulators

    Magnetron Modulators:Magnetron modulators are commonly used in radiation therapy and many other industrial applications, like nondestructive testing, radar, and cargo inspection. These modulators are favored for their reliability, compact design, and ability to deliver up to 5 MW RF peak power. Magnetron modulators are available with single or dual energy and require no consumables, resulting in a cost-effective and efficient solution for high-power applications.

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  • E-Gun Modulators
    E-Gun Modulators

    E-Gun Modulators: E-gun modulators are solid-state modulators designed for driving electron guns in linear accelerator applications, like radiation therapy, high-energy physics, cargo inspection, sterilization, and industrial X-ray. These power modulators offer adjustable voltage levels, pulse widths, frequencies, and amplitudes, providing users with the flexibility to fine-tune the performance of the E-gun.

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Pulse Modulators Capabilities

Industry Standards

ISO-9001-2015
International Organization for Standardization

General Information

Stangenes Industries designs and produces pulse modulators in standardized or custom configurations for military, medical, and industrial applications driving klystrons, magnetrons, lasers, or accelerators. We offer solid state modulators ranging from a just a few kV to over 250kV pulses, pulse widths from 200ns to 5ms and average power ratings of up to 150kW.

Configurations Offered
  • Complete “turnkey” systems or an individual component for your system
  • Solid state Marx designs with or without a pulse transformer
  • Dynamically adjustable repetition rate, pulse width, and pulse amplitude
  • Solid state fractional turn pulse transformer modulators
  • “Line-type” modulator with a pulse transformer and solid-state switching
  • “Hard Tube Configuration” with pulse transformer using solid-state switching

Pulse Modulators Applications

Power pulse modulators are commonly used for signal interconversion from one type of signal to another. Digital modulation is often used to transmit digital signals over analog basebands. Analog modulation, on the other hand, transfers low-bandwidth signals like radio or TV signals over a higher bandwidth. Modern modulation techniques are also used in frequency division multiplexing (FDM), which allows multiple signals to share the same communication channel without any interference or signal degradation.

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Pulse Modulators Applications

Pulse Modulator Customization Process From Stangenes Industries

At Stangenes Industries, we streamline the process of creating a custom high-voltage pulse modulator for your application. The customization process from inquiry to delivery is as follows:

1 Inquiry Inquiry Inquiry
2 Consultation Consultation Consultation
3 Voltage Levels Voltage Levels Voltage Levels
4 Custom Design Custom Design Custom Design
5 Review Review Review
6 Production Production Production
7 Shipping Shipping Shipping

1. The customer makes the initial inquiry for a custom modulator.

2. Our engineers consult with the customer to understand all possible considerations for their custom design needs: the intended application, power requirements, special requirements, and physical location requirements (to meet certain flow requirements, input voltage source, antifreeze, etc.).

3. In addition to power levels, we negotiate on voltage levels and other general performance needs.

4. Stangenes develops a custom design, which is then reviewed by our design QC team.

5. The customer reviews and approves the proposed product design and specifications.

6. Stangenes begins production of the custom modulators, followed by product QC.

7. The final products are shipped via Ex Works (EXW).

Stangenes Industries understands that every application is unique, so we develop tailored solutions based on your specific performance requirements. We’ll walk you through your potential options, from the particular modulator design to its mounting and configuration needs.

Pulse Modulators From Stangenes Industries, Inc.

Stangenes Industries offers three different modulator configurations and combinations. Our most flexible systems use solid-state Marx design with or without a coupled pulse transformer. Alternatively, a PFN (pulse forming network) design is also available. All our Marx modulators feature dynamically adjustable repetition rates, pulse widths, and pulse amplitudes. All designs are available as components or complete “turnkey” systems to meet your needs. For more information, contact Stangenes Industries today!

Modulator Information Request

Modulator Information Request

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