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High-Power Glitch Amplifier


Injecting faults on an embedded device using power requires dedicated equipment. For a reliable glitch to be delivered to the target the power supply needs to deliver sufficient power with minimal noise and have sufficient power to generate steep voltage spikes. At the same time monitoring power consumption is necessary to identify the areas of interest and see target behavior. The High Power Glitch Amplifier combines these functionalities in one stand-alone component for targets consuming up to 10A of current.


Key features

Drives up to 10A.

Low noise.

Stable low-noise power supply and predictable glitch amplification.

ntegrated current measurement circuit for monitoring target behaviour.

Predictable glitch shape.

Connects to any glitching device including VC Glitcher.

Safe to setup and operate with overload, short-circuit and over-temperature protection.

High speed glitching supported.

Easy to connect.


The High Power Glitch Amplifier acts as a power source for any device consuming up to 10 Amps continuously and 15 Amps peak current. The output can simply be connected into the power line of the target. The High Power Glitch Amplifier buffers VC Glitcher or Spider output voltage so glitches may be injected directly into the target. With a predictable gain, reliable timing and fast response it is able to deliver the glitches as set by the user.

Glitch voltage and timing for the VC Glitcher or Spider can be set using the Inspector FI software package. The High Power Glitch Amplifier will match the voltage levels provided. Two KeySight E3633A power supplies are delivered as part of the High Power Glitch Amplifier package. One is used as negative power supply and the other as positive power supply.

Instead of connecting the Current Probe to monitor power consumption and glitch during testing, two integrated power monitors output the signal. This allows for a cleaner setup in the characterization and identification phase and is safer to operate. The DC current monitor output is capable of covering 0 to 1 MHz. The AC current monitor provides the frequency range from 1 MHz to 1 GHz. The output is low-noise and could be used in scenarios where some side channel analysis work on power is required.

Technical specifications

Signal in

  • Voltage range +/- 2V
  • Input impedance 50 Ω

Signal out

  • Voltage range +/- 4V
  • Current range +/- 10 A continuously and +/- 15 A peak
  • Output impedance < 25 mΩ


  • 2x (signal out/signal in)
  • Frequency range (DC) – 3dB at 50 MHz, –6 dB at 100 MHz and –9 dB at 200 MHz amplification

AC current monitor

  • Frequency range 1 MHz – 1 GHz
  • Output impedance 50 Ω

DC current monitor

  • Frequency range DC – 1 MHz
  • Output impedance 50 Ω

Voltage monitor

  • Frequency range DC – 1 GHz
  • Output impedance 50 Ω
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