Quality of a square wave?

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. The Bell System technical journal . f apparatus may be used for receiver testing with squarewaves. Square-wave generator circuits have been published both for audio^and video frequency use, involving vacuum tube circuits which overload atlow voltages. For low speeds using low-frequency waves of the order60 cps, a simple mercury switch operated by an oscillator gives very satis-factory results. The square-wave voltage is introduced across a small part of the resistancetermination as shown in Fi

Square wave testing can be used with operational amplifiers to ... | Filo

Square Waves: What Are They and Are They Dangerous?