Circuits & Schematics Measurement: oscilloscope - 2

11. A simple ratiometric technique for measurement of very low resistances
    Circuits Measurement Microchip TC4422A
    .. The measurements needed to calculate accurate resistance values can be obtained from the outputs V1 V2 using an ordinary oscilloscope or, instead, a pulse peak voltmeter, which can provide higher precision. The circuit uses the ...
    11-08-2022

12. Instrumentation Amplifier Extends DSO
    Circuits Analogue Design Measurement Analog Devices AD620
    .. An ammeter showed that the current transitions occurred too quickly for visual logging, and my managers had requested an oscilloscope photo of the current waveform's peaks. I rolled out our company's cart-mounted DSO ...
    05-04-2022

13. Input buffer and attenuator for sound card oscilloscopes extends low-end frequency response
    Circuits Measurement Texas Instruments TLV9051
    .. advent of inexpensive standardized 16- and 24-bit audio I/O hardware for personal computers inspired a rush of oscilloscope simulating applications. Many of these “Sound Card Scopes” are quite capable, ...
    15-02-2022
14. Delay line upgrades vintage scope
    Circuits Measurement Analog Devices AD8055
    .. pretrigger information. Figure 1 shows the components you need to implement these improvements on a Philips PM3230 10-MHz oscilloscope. The components are a wideband amplifier to restore the signal to its original level and provide ...
    07-12-2021
15. 1-GHz Sampling Oscilloscope Front End Is Easily Modified
    Circuits Measurement Texas Instruments TL082
    .. sequential-sampling oscilloscope plug-in module can significantly increase the display bandwidth of an ordinary 10-MHz ...
    06-12-2021
16. Circuit folds back current during fault conditions
    Circuits Measurement Supply Microchip LM4041 MIC5159 MIC7221
    .. limit re-engages. Figure 2. The circuit in Figure 1 cycles current in the event of a fault condition. Figure 2 is an oscilloscope photo of this circuit in operation. This cycling of current, although periodically delivering ...
    03-11-2021
17. High-speed op amp enables IR-proximity sensing
    Circuits Analogue Design Measurement Everlight IR11-21C PD15-22C
    .. at three nodes for objects at 1.2 and 1.4 in. from the IR transceiver. The circled numbers in Figure 2 refer to the oscilloscope traces in Figure 3. Materials on the topic Datasheet Everlight IR11-21C Datasheet Everlight ...
    30-09-2020
18. Active-filter circuit and oscilloscope inspect a Class D amplifier's output
    Circuits Analogue Design Audio Measurement Maxim MAX9727
    .. sine-wave test of a linear amplifier. You apply power, apply a sine wave of suitable amplitude to the input, and connect an oscilloscope probe to the output. You'll see a replica of the input, usually offset by about half the ...
    03-09-2019
19. Simple circuit turns scope, function generator into JFET curve tracer
    Circuits Measurement Texas Instruments LM358
    .. existed for decades. But designers without access to one can create a simple circuit that uses a function generator and oscilloscope to generate JFET transfer and characteristic curves. The circuit can also be computer-driven, ...
    20-06-2018
20. Passive circuit monitors AES data
    Circuits Audio Measurement
    .. ground by using signal transformers or capacitors. Several other data-transmission standards use a similar data format. An oscilloscope does not reliably trigger on such a waveform; thus, troubleshooting and signal tracing such ...
    10-05-2018

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