Related Manuals for Chauvin Arnoux metrix HX0074
Summary of Contents for Chauvin Arnoux metrix HX0074
- Page 1 EN - User’s manual Signal generator circuit HX0074 demo kit for DOX2xxx and DOX2xxxB Demonstration GX1025 with DOX2xxx and DOX2xxxB...
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Page 2: Table Of Contents
CONTENTS GENERAL DESCRIPTION ....................................3 PRESENTATION OF THE HX0074 ..................................3 I. TEST SIGNAL HX0074 .....................................4 1. MISCELLANEOUS ......................................4 2. HYSTERESIS ........................................5 3. PULSE TRAIN ........................................7 4. DATA + CS TRAIN ......................................8 5. DATA FRAME-FAULT .....................................10 6. AMPLITUDE-MODULATED SINE WAVE ..............................12 7. SQUARE WAVE-RISE TIME ..................................13 8. -
Page 3: General Description
GENERAL DESCRIPTION „ The HX0074 is an accessory with a circuit the generates 15 representative signals. It is associated with a guide describing the nature of the signals. „ The HX0074 demonstrator makes mastering the oscilloscope faster, because the display, analysis, and measurement of the signals generated by the HX0074 make use of all functions of the DOX2000. -
Page 4: Test Signal Hx0074
I. TEST SIGNAL HX0074 1. MISCELLANEOUS Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test signal n°1 : Miscellaneous Nature 4 pairs of successive signals approx. every 2 seconds. Specs 2.6 V < Vpp < 3.2 V - 10 Hz < F < 60 Hz Oscilloscope Settings 50 ms/div. -
Page 5: Hysteresis
2. HYSTERESIS Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°2 : Hysteresis Nature 2 phase-shiffed signals, triangle and pseudo-square Specs Vpp ≈ 3.2 V - F ≈ 1.7 kHz - square wave ≈ 24 µs - signal delay ≈ 40 µs Oscilloscope Settings 100 µs/div. - Page 6 d) Use of the FFT Mathematical function. The oscilloscope displays the CH1 signal and its FFT simultaneous. The “Time” cursors can be used to determine the frequencies of the fundamental and of the harmonics: The “Voltage” cursors can be used to determine the amplitude of the harmonics: FFT of the signal on channel CH2 :...
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Page 7: Pulse Train
3. PULSE TRAIN Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°3 : Pulse train Nature 1 signal containing trains of 10 pulses with variable spacing Specs Vpp ≈ 3.4 V - F ≈ 32 kHz - Train spacings ≈ 100 to 180 µs Oscilloscope Settings 100 µs/div. -
Page 8: Data + Cs Train
4. DATA + CS TRAIN Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°4 : Data + CS train Nature 2 signals representing a digital frame (data) and a CS (chip select) Specs Vpp ≈ 3.4 V - F ≈ 40 kHz (data) - F ≈ 1.5 kHz (CS) Oscilloscope Settings 100 µs/div. - Page 9 Expansion by 25 Expansion by 100 Horizontal displacement of the Zoomed zone by acting on the “Position” encoder:...
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Page 10: Data Frame-Fault
5. DATA FRAME-FAULT Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°5 : Data frame-Fault Nature 2 signals representing a communication bus with «clock» and «data» Specs Vpp ≈ 3.4 V - F ≈ 31 kHz (clock) - 30 µs < L+ < 200 µs (data) Oscilloscope Settings 25 µs/div. - Page 11 Zoom by 1000 in “LongMem” mode: Zoom by 1000 in Memory Depth “Normal”: The representation is wrong: the train of 6 pulses is represented by a single pulse ; the horizontal resolution is insufficient. This is because the sampling rate in Normal Memory Depth is 25KSPS, while it is 1MSPS in LongMem Memory Depth.
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Page 12: Amplitude-Modulated Sine Wave
6. AMPLITUDE-MODULATED SINE WAVE Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°6 : Amplitude-modulated sine wave Nature 1 amplitude-modulated sinusoidal signal Specs 1.3 V < Vpp < 3.3 V - F ≈ 1.3 kHz Oscilloscope Settings 100 µs/div. -
Page 13: Square Wave-Rise Time
7. SQUARE WAVE-RISE TIME Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°7 : Square wave-Rise time Nature 1 square wave, duty cycle 50 % Specs Vpp ≈ 3.4 V - F ≈ 10 kHz - Tm ≈ 800 ns Oscilloscope Settings 50 ns to 200 µs/div. -
Page 14: Square Wave - Low Level - Noisy
8. SQUARE WAVE - LOW LEVEL - NOISY Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°8 : Square wave, low level, noisy Nature 1 square wave of very low amplitude and very noisy Specs 5 mV < Vpp < 30 mV (depending on filtering) - F ≈ 1 kHz Oscilloscope Settings 200 or 500 µs/div. -
Page 15: Comb Of Rapid Pulses
9. COMB OF RAPID PULSES Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°9 : Comb of rapid pulses Nature Comb of 6 very brief pulses, with a low repetition rate Specs Vpp ≈ 2 V (depending on whether 50 Ω load or not) - F ≈ 8 kHz Oscilloscope Settings 25 µs/div., then 10 ns/div. -
Page 16: Digital Frame + Fault
10. DIGITAL FRAME + FAULT Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°10 : Digital frame + Fault Nature Digital frame with a recurrent fault Specs F square wave ≈ 5 MHz, Vpp ≈ 1.8 V - L+ fault ≈ 7 ns Oscilloscope Settings 25 or 50 ns/div., then 250 ns/div. -
Page 17: Frame + Rare Pulse
11. FRAME + RARE PULSE Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°11 : Frame + Rare pulse Nature Digital clock signal with a fault Specs F clock ≈ 5 MHz, Vpp ≈ 3.3 V Oscilloscope Settings 100 ns/div., then 25 ns/div. -
Page 18: Recorder-5 Signals
12. RECORDER-5 SIGNALS Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°13 : Recorder-5 signals Nature Tracking of 5 slow signals having varied shapes and characteristics Specs Duration of each signal ≈ 1 s, amplitude 1.5 V < Vpp < 3.5 V Oscilloscope Settings Duration-2 s scale - 40 µs - MAIN = 500 mV/div. - Page 19 By placing the triggering level above the mean level of the signal and acting on the width of the positive pulse, it is possible to synchronise to the high pulse.
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Page 20: Heart Recorder
13. HEART RECORDER Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°13 : Heart recorder Nature Slow «heartbeat» type signal and increasing/decreasing VDC Specs Frequency of the signal ≈ 0.5 s, amplitude ≈ 3.2 V (heartbeat) Oscilloscope Settings Duration 10 s then 2 s - MAIN and AUX = 500 mV/div. -
Page 21: Harmonics
14. HARMONICS Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°14 : Harmonics Nature 2 signals, one square, the other triangular Specs Frequency of the signal ≈ 50 Hz, Vpp ≈ 3.2 V (triangular), Vpp ≈ 3.4 V (square) Oscilloscope Settings 5 ms/div. -
Page 22: Distortion
15. DISTORTION Demo: with: DOX2025 DOX2040 DOX2100 DOX2xxxB Test Signal n°15 : Distortion Nature 1 pseudo-sinusoidal signal containing harmonic distortion Specs Frequency of the signal ≈ 50 Hz, Vpp ≈ 3.2 V Oscilloscope Settings 2.5 ms/div. - MAIN = 500 mV/div. DC coupling imperative Trigger DC coupling on MAIN, level 50 % of Vpp, for example Modes... -
Page 23: Demonstration Gx1025 With Dox2000
II. DEMONSTRATION GX1025 WITH DOX2000 1. USING THE GX1025 GENERATOR TO DEMONSTRATE THE ADVANTAGES OF THE “LONGMEM” MEMORY DEPTH AND OF THE DIGITAL FILTERS 1.1. INFLUENCE OF MEMORY DEPTH (LONGMEM OR NORMAL) ON THE SAMPLING INTERVAL: The sampling rate of the DOX2070B-DOX2100B oscilloscopes for the time base position M = 250 µs/div- for example- is 50 MSPS with a memory Depth = «LongMem»... -
Page 24: Using The Digital Filters
2. USING THE DIGITAL FILTERS 2.1. 2 KHZ SQUARE WAVE WITH A 62 KHZ SINE WAVE SUPERPOSED ON ITS PLATEAUS a) Display of the 2 kHz square wave with a 62 kHz sine wave superposed on its plateaus: Remark: the frequencies of the Digital Filters depend on the sampling frequency and therefore on the time base range (M = 250 µs), so we recommend observing the details of the signals with the “Delayed”... - Page 25 d) A “band-pass” digital filter having a pass band from 12.5 kHz to 100 kHz is applied: The 2 kHz square wave, which is not in the pass band, is blocked by the filter, leaving only the 60 kHz sinusoidal signal, which is in the pass band. e) A “band-stop”...
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Page 26: Sum Of 2 Sinusoidal Signals Having Frequencies Of 10 Khz And 80 Khz
3. SUM OF 2 SINUSOIDAL SIGNALS HAVING FREQUENCIES OF 10 KHZ AND 80 KHZ 3.1. DISPLAY OF THE SUM OF 10 KHZ AND 80 KHZ SINE WAVES The low frequency (~10 kHz) indicated by the hardware frequency counter is displayed at bottom left of the screen (take care to set the triggering level close to zero). - Page 27 FFT of the signal with the low pass digital filter having a cut-off frequency of 37.5 kHz. The FFT shows the 10 kHz fundamental but the 80 kHz harmonic has been highly attenuated by the digital filter.
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Page 28: Product Of 2 Sine Waves Having Frequencies Of 100 Khz And 800 Khz
4. PRODUCT OF 2 SINE WAVES HAVING FREQUENCIES OF 100 KHZ AND 800 KHZ 4.1. DISPLAY OF THE PRODUCT SIGNAL WITH DELAYED TIME BASE We use the cursors to measure the frequency of the product signal, F = 800 kHz (Remark: the hardware frequency counter indicates 399.996 kHz because the triggering level is adjusted on the peaks of the product signal);... - Page 29 a) A bandpass digital filter (650 kHz 825 kHz) is used to isolate the 700 kHz spectral component. Display of the 700 kHz spectral component with delayed time base. b) A bandpass filter (825 kHz, 1 MHz) is used to isolated the 900 kHz component: Display of the 900 kHz component with delayed time base:...
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Page 30: Product Of 2 Sinusoidal Signals Having Frequencies Of 10 Khz And 80 Khz
5. PRODUCT OF 2 SINUSOIDAL SIGNALS HAVING FREQUENCIES OF 10 KHZ AND 80 KHZ 5.1. DISPLAY OF THE PRODUCT SIGNAL WITH DELAYED TIME BASE We use the cursors to measure the frequency of the 80 kHz product signal (remark: the hardware frequency counter indicates 40.0 kHz because the triggering level is adjusted on the peaks of the product signal). - Page 31 We use a bandpass digital filter (60 kHz 80 kHz) to isolate the 70 kHz spectral spike: We view the filtered signal and use the cursors to measure its frequency, F = 70 kHz and its amplitude = 5.12 V peak to peak:...
- Page 32 We separate the 90 kHz spectral spike with a bandpass filter (85 kHz - 100 kHz) : We view the filtered signal and use the cursors to measure its frequency, F = 90 kHz, and its amplitude = 5.12 V peak to peak:...