https://www.dotbglobal.com/product/impulse-noise-simulator-semi-conductor-type-ins-s220-s420-noiselaboratoryco-ltd/
Impulse Noise Simulator (semi-conductor type) INS-S220 / S420 – NoiseLaboratoryCo.Ltd. - dot B
- This Noise simulator simulates high frequency noises generated by ON/OFF switching at contact points of switches or relays, and arcs caused by electric...
impulse noisesemi conductor
https://mynoise.net/NoiseMachines/impulseNoiseGenerator.php
Online Impulse Noise Generator — Hearing Calibrated
Impulse noise offers an interesting alternative to white noise and other colored noises.
impulse noiseonlinegenerator