---
title: "The Origins of Delayed Timings on Oscilloscopes | Workbench Wednesdays #43"
description: "Almost everyone uses a digital oscilloscope's zoom features. However, did you know that 40-year-old analog oscilloscopes can do something similar? Delayed time bases on analog…"
canonical: "https://www.baldengineer.com/the-origins-of-delayed-timings-on-oscilloscopes-workbench-wednesdays-43.html"
author: "James Lewis"
date: "2021-08-31T22:57:00Z"
lastmod: "2022-04-01T23:30:30Z"
categories: ["blog","element14","workbench-wednesdays","videos"]
tags: ["oscilloscope","tek-7704a"]
---

# The Origins of Delayed Timings on Oscilloscopes | Workbench Wednesdays #43


Almost everyone uses a digital oscilloscope's zoom features. However, did you know that 40-year-old analog oscilloscopes can do something similar? Delayed time bases on analog scopes sweep twice so that the user can see a slow and fast sweep. In this video, see where "zoom" came from and how engineers accomplished the same measurement back in the day.