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HandWiki. Oscilloscope History. Encyclopedia. Available online: https://encyclopedia.pub/entry/35502 (accessed on 24 September 2026).
HandWiki. Oscilloscope History. Encyclopedia. Available at: https://encyclopedia.pub/entry/35502. Accessed September 24, 2026.
HandWiki. "Oscilloscope History" Encyclopedia, https://encyclopedia.pub/entry/35502 (accessed September 24, 2026).
HandWiki. (2022, November 21). Oscilloscope History. In Encyclopedia. https://encyclopedia.pub/entry/35502
HandWiki. "Oscilloscope History." Encyclopedia. Web. 21 November, 2022.
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The history of the oscilloscope reaches back to the first recordings of waveforms with a galvanometer coupled to a mechanical drawing system in the second decade of the 19th century. The modern day digital oscilloscope is a consequence of multiple generations of development of the oscillograph, cathode-ray tubes, analog oscilloscopes, and digital electronics.
digital oscilloscope
oscilloscope
oscillograph
References
- (Hawkins 1917) Fig. 2589
- (Hawkins 1917)
- (Hawkins 1917), Fig. 2597
- (Hawkins 1917), Fig. 2598
- (Hawkins 1917)
- (Hawkins 1917), Fig. 2607
- (Hawkins 1917), Fig. 2620
- (Hawkins 1917), Figs. 2621–2623
- (Hawkins 1917), Fig. 2625
- (Abramson 1995)
- Kularatna, Nihal (2003). "Chapter 5: Fundamentals of Oscilloscopes". Digital and analogue instrumentation: testing and measurement. Institution of Engineering and Technology. p. 165. ISBN 978-0-85296-999-1. https://books.google.com/books?id=Ac5iYqHCcucC&pg=PA165. Retrieved 2011-01-19.
- (Burns 1998)
- Operator's Manual: Model KG-635 DC to 5.2 MC 5" Wideband Oscilloscope, Maywood, IL: Knight Electronics Corporation, 1965, p. 3, "Synchronization ... + internal, − internal, 60 cps, and external. Sync limiting provides semi-automatic operation with level control. Locks from waveform fundamentals up to 5 mc. Will sync on display amplitudes as low as 0.1 [inch]" The KG-635 sync amplifier used a 12AT7 differential amplifier (V5). (id p. 15.) Sync level control would bias the amplifier into cutoff so action would only occur near the end of the sweep; the sync output was a negative pulse to the sweep generator; a diode pulse limiter clamped the sync pulse. (id p. 18.)
- KG-635 p. 18 stating, "Retrace blanking is obtained from the plate of V-6A and applied to the cathode of the CRT."
- Spitzer & Howarth 1972, p. 122
- Garland, Harry; Melen, Roger (1971). "Add Triggered Sweep to your Scope". Popular Electronics 35 (1): 61–66.
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