Circuits & Schematics Measurement: oscilloscope - 4

31. Easy Pulse: A DIY photoplethysmographic sensor for measuring heart rate. Part 2 - Testing and measurements
    Circuits Measurement Medicine Microcontrollers Usage
    .. of the microcontroller for measurement of the heart beat rate in BPM. The output voltage waveform can also be viewed on an oscilloscope. I connected Digilent’s Analog Discovery tool to check the input PPG and the output ...
    24-12-2012

32. Front End Turns PC Sound Card into High-Speed Sampling Oscilloscope. Part 2 - Active Reconstruction Filters, Powering the Circuits, Input Attenuators
    Circuits Measurement
    .. such as Syscomp Electronic Design, Ltd.2 (Figure 9). Figure 9. P6040 1×/10× scope probes. At this writing: Oscilloscope probes (P6040) with 40-MHz bandwidth, 1×/10×switchable, cost $29.99 per pair from ...
    16-10-2012

33. Front End Turns PC Sound Card into High-Speed Sampling Oscilloscope. Part 1 - Front End, Sampling Clock Generator
    Circuits Measurement
    .. Mercer, Analog Devices Various software packages enable the stereo sound card found in a personal computer (PC) to provide oscilloscope-like displays, but the low-sample-rate, high-resolution analog-to-digital converters (ADCs) and ...
    11-10-2012
34. Minimize Noise in Power-Supply Measurements
    Circuits Measurement
    .. excess noise from an oscilloscope probe yields better measurements You must minimize noise when measuring ripple in power rails ...
    12-03-2012
35. Development Kit and Mixed Signal Oscilloscope on AVR ATXMEGA. Part 2 - User Interface, Software
    Circuits Measurement Microcontrollers Usage
    .. Generator (AWG). The Xminilab's can also be used a development boards for the XMEGA AVR microcontroller. Mixed Signal Oscilloscope Specifications 1 Analog Inputs Input Impedance: 1MΩ Maximum Input Voltage: +/- 25V (+/- ...
    08-08-2011
36. Development Kit and Mixed Signal Oscilloscope on AVR ATXMEGA
    Circuits Measurement Microcontrollers Usage
    .. It is targeted for anyone who wants to start learning AVR micros. The Xminilab-B is also a fully featured Mixed Signal Oscilloscope and Spectrum Analyzer with an Arbitrary Function Generator. General Specifications: ATXMEGA32A4 ...
    18-07-2011
37. Real-Time Audio Spectrum Analyser on PIC18F4550
    Circuits Audio Measurement Microcontrollers Usage
    .. an analogue wave with a peak-to-peak intensity of 1V centred around 0V (i.e. it is an AC signal) as shown by the following oscilloscope trace (from pin W2 of the demo board): The picture shows a full-volume 5000Hz sine wave generated ...
    18-01-2011
38. Small fully featured ATXMEGA32 scope. Part 2. User Manual
    Circuits Measurement Microcontrollers Usage
    .. 1. Schematic The Xprotolab is a fully featured Mixed Signal Oscilloscope (MSO) with Spectrum Analyzer and Arbitrary Waveform Generator (AWG). The Xprotolab can also be ...
    13-01-2011
39. Small fully featured ATXMEGA32 scope. Part 1. Schematic
    Circuits Oscillators Measurement Microcontrollers Usage
    .. Miniature scope is equipped with 0.96” OLED display where signals are viewed. The Xprotolab is the first mixed signal oscilloscope with an arbitrary waveform generator in a DIP module. It measures only 1 x 1.6 inches, and can be ...
    06-01-2011
40. Parallel port logic analyzer
    Circuits Measurement
    .. I don't have an oscilloscope yet so I needed a cheap way to analyze some signals, I decided to build a simple logic analyzer ...
    09-05-2010

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