Tektronix 4000 series oscilloscope

Tektronix 4000 series oscilloscope

Introduction to Tektronix 4000 Series (Basic Function Demonstration)

1. Demo I: Collecting Signals

Step: ① Connect the oscilloscope (front/rear panel USB port) to the device port on the demonstration board using a USB cable; ② Confirm that the "USB POWER" LED on the demonstration board is on; ③ P6139A probe (channel 1) is connected to the demonstration board "GND" and "CNT CLK" (synchronous counter clock); ④ Press' Default Setup 'to reset; ⑤ Press' Auto Settings' to display multiple cycle clock signals.

2. Demo II: Using Vertical Controls

Operation: ① Rotate the vertical "scale" knob of channel 1 (observe the change in volts/grid, set to 1 V/grid); ② Rotate the vertical "position" knob (waveform centered); ③ Press the channel 2 button (switch channel 2).

3. Demo III: Using Horizontal Controls

Operation: ① Rotate the horizontal "scale" knob (observe time/grid changes, set to 20 ns/grid); ② Rotate the horizontal "position" knob (adjust the trigger position icon to the center of the screen); ③ Identify the display identifier (yellow bar=all collected, gray square brackets=current display section).

4. Demo IV: Using the Run/Stop Control

Operation: ① Press "Run/Stop" (stop collecting and display the last waveform); ② Press' Single '(stop after collecting a single waveform); ③ Press' Run/Stop 'again (restart collection).

5. Demo V: Using Trigger Controls

Operation: ① Rotate the trigger "position" knob (move it outside the waveform, and the waveform will randomly scroll); ② Press' Force trigger '(display single waveform acquisition); ③ Press' Set to 50% '(trigger level set to signal midpoint, stable trigger).

6. Demo VI: Using the cursor

Step: ① Press the "cursor" button (display vertical cursor, reading includes time/amplitude/increment); ② Use the multifunctional A/B knob to move the cursor (switch fine adjustment mode with the "Fine" button); ③ Measurement cycle (with the cursor placed at the midpoint of two falling edges, with a difference of approximately 100 ns); ④ Press the 'cursor' twice to close.

7. Demo VII: Measurement

Step: ① Press the "Measure" button; ② Click on the 'Select Measurement' button below; ③ Select "cycle" and "frequency"; ④ View readings (including value, average, minimum, maximum, standard deviation, such as frequency of approximately 10.0M); ⑤ Delete measurement ("Delete Measurement" → "Delete All Measurements"); ⑥ Press' Menu Off 'to close the menu.

8. Demo VIII: Saving Screen Images

Step: ① Insert USB/CompactFlash; ② Press' Save/Recall Menu '; ③ Select 'Save Screen Image'; ④ Multi function knob A selects the driver; ⑤ Press' Select '(expand/shrink directory); ⑥ Select file format (such as. png); ⑦ Press' OK to save screen image '; ⑧ Quick save (press the "Save" button, default image saved, can change saved content).

Tektronix 4000 Advanced Feature Demonstration

1. Overall packaging and performance

(1) Overall packaging advantages

10.4-inch XGA large display (high brightness, visually friendly);

Each channel has an independent vertical control knob (no need to select a channel first, efficient and intuitive);

Front and rear USB and CompactFlash ports (convenient for transferring data);

Thickness of 5.4 inches (saving workspace);

Weight 11 pounds (4.99 kilograms), with handle (portable);

Supports 11 languages (including Simplified/Traditional Chinese).

(2) Performance Parameters (Table)

Product Model Bandwidth Channels (DPO/MSO) Maximum Analog Sampling Rate (All Channels) Main Record Length (All Channels) MSO MagniVu Record Length (All Digital Channels)

DPO4104 & MSO4104 1 GHz 4 / 4+16 5 GS/s 10 M 10 K

DPO4054 & MSO4054 500 MHz 4 / 4+16 2.5 GS/s 10 M 10 K

DPO4034 & MSO4034 350 MHz 4 / 4+16 2.5 GS/s 10 M 10 K

DPO4032 & MSO4032 350 MHz 2 / 2+16 2.5 GS/s 10 M 10 K

Additional performance: All channels ≥ 5X oversampling (sin (x)/x interpolation, single full bandwidth); All channels have a record length of 10 meters; Support waveform labels.

2. Wave Inspector Demonstration

(1) Demo IX: Setting I2C Signal

Step: ① P6139A probe (channel 1 → SCLK, channel 2 → I2C SDA, all connected to GND); ② Confirm that the I2C LED is on (press "Serial SELECT" until it lights up); ③ Press' Default Setup '; ④ Trigger the "position" knob to set the trigger level to ≈ 2 V; ⑤ Open channel 2; ⑥ Channel 1/2 vertical "scale" is set at 2.0 V/grid, with positions at the top/middle of the scale respectively; ⑦ Press "Collect" → "Record Length" → "1M Points"; ⑧ Set the horizontal "scale" to 20.0 ms/grid; ⑨ Press' Single 'to display I2C clock (ch1 yellow) and data (ch2 blue).

(2) Demo X: Zoom and Pan Functions

Core control: Wave Inspector "pan/zoom" knob (outer ring=pan, inner ring=zoom);

Operation: ① Turn the zoom knob clockwise (enable zoom, display full capture/current display/zoom view); ② Amplify to a single clock pulse; ③ Translation knob (counterclockwise=left shift zoom box, clockwise=right shift, 10M recording length can be quickly moved); ④ Play/Pause "(automatically scrolling waveforms, adjusting speed/direction by moving the knob); ⑤ Set/Clear "(mark, solid white triangle=bookmark); ⑥ Arrow buttons (navigation markers).

(3) Demo XI: Search Function

Step: ① Press "Search" ->"Search" on the lower bezel ->"Turn on" on the side bezel; ② Clear all tags; ③ Select "Pulse" for "Search Type", select 2 for "Source", and set "Positive" for "Polarity"; ④ The threshold is set to ≈ 2.00 V (midpoint of channel 2 waveform); ⑤ Select "Pulse width<8.00 ns" for "Set marking time" and adjust it to 5 μ s (display hollow triangle mark, event number displayed in the bottom left corner); ⑥ Arrow button navigation markers; ⑦ Zoom in and observe (e.g. 5kX zoom); ⑧ Close search (Search → Close).

3. Serial triggering and analysis

(1) Demo XII: Serial Triggering and Analysis (Using I2C as an Example)

Step: ① Adjust the scaling factor by 50X and pan to the target view; ② Press B1 → "Bus" and select "I2C"; ③ Define Input "(SCLK=Channel 1, SDA=Channel 2); ④ Set the midpoint of the waveform as the "threshold"; ⑤“Menu Off”； ⑥ Zoom observation (green bar=packet start, yellow box=address, cyan box=data, red box=lost confirmation, red bar=stop); ⑦ Switch between "binary/hexadecimal" for "bus display"; ⑧ Event Table "(displays packet timestamps when enabled, similar to a logic analyzer); ⑨ Trigger settings: "Trigger menu" → "Type" select "Bus" → "Signal source bus" select B1 → "Address" set to 50 (hexadecimal), "Direction" set to "Write" → "Single" acquisition → Zoom to view trigger content.

(2) Demo XIII: Searching for Serial Signals (Taking I2C as an Example)

Step: ① "Trigger menu" ->"Type", select "Edge" ->"Single time" collection; ② Select "Bus" for "Search" → "Search Type", choose B1 for "Source Bus"; ③ Select "Start" for "Search" → Arrow button navigation mark; ④ Select "Address" for "Search", set to 76 (hexadecimal) → decrease results; ⑤ Save all tags "(hollow to solid, old tags can be retained).

(3) Demo XIV: Monitoring and Decoding RS-232

Prerequisite: Install DPO4COMP application module;

Step: ① P6139A (Channel 1 → RS-232 TX, connected to GND); ② Press' Serial SELECT 'until the RS-232 LED lights up; ③ Default Setup "→" Auto Settings "→" Collection "→" Record Length "=1M points; ④ Set the horizontal "scale" to 20 ms/grid; ⑤ Press B1 → "Bus" and select "RS-232"; ⑥ Define Input "with channel 1 as" Send Input "and" Configure "with a bit rate of 9600; ⑦ Select "ASCII" ->"Single" ->Scale 10X (read characters) for "Bus Display"; ⑧ Play "scrolling messages; ⑨ Event Table "(displaying a list of characters).

(4) Demo XV: Serial Data Pattern Triggering (Using RS-232 as an Example)

Step: ① "Trigger Menu" → "Type" Select "Bus" → "Signal Source Bus" Select RS-232 B1; ② Trigger Open "and select" Send Data "; ③ Set "Data" to 51 (hexadecimal, corresponding to ASCII "Q"); ④ Menu Off "→" Single "; ⑤ Display the word 'Restart' (triggered successfully).

MSO4000 Function Demonstration

1. Core Features

(1) Usability

Wave Inspector supports digital channels (zoom/pan/search/mark);

P6516 digital probe (dual eight channel longitudinal slot, blue coaxial cable identification channel, can be self-made grounding wire);

Color coded display (green=high level, blue=low level, white edge=multiple transitions, gray blur=edge uncertainty).

(2) Performance

16 digital channels (added on the basis of DPO);

MagniVu function (10000 point sampling, 60.6ps timing resolution, 16.5 GS/s sampling rate, switchable main recording/MagniVu recording);

Threshold setting for each channel (supporting multiple logical series);

Supports 4 buses (serial/parallel);

Establish/maintain bus triggering (including 16 digital+4 analog channels, auxiliary input can be expanded to 20 channels);

Parallel bus triggering (user-defined logical mode);

10 M record length (all analog/digital channels);

35000 waveforms per second (analog channel, reducing dead time).

2. Specific demonstration

(1) Demo XVI: Setting up digital channels

Step: ① P6516 probe (D0-D6 → CNT OUT 0-6, D7 → CNT CLK, all grounded); ② Default Setup "→ Close channel 1; ③ Set the horizontal "scale" to 200 ns/grid; ④ Press the blue "D15-D0" button (display digital channel, green=high, blue=low); ⑤ Set "height" to "M" (medium); ⑥ Open D7-D0 "(or separately open D0-D7); ⑦ Select D7 from "Trigger Menu" → "Source" → "Menu Off"; ⑧ Channel grouping: Highlight the group marker (inverted triangle), rotate knob b to move the group waveform.

(2) Demo XVII: Threshold for each channel

Operation: Press the blue "D15-D0" button → follow the "Threshold" button below → use the multifunction knob a/b (group/individual setting of channel threshold voltage).

(3) Demo XVIII: Channel Labels

Step: ① Connect the USB keyboard to the oscilloscope; ② D15-D0 "→" Edit Label "; ③ Set labels (Count 0-6) for D0-D6, and use the preset label "CLOCK" for D7; ④ Menu Off.

(4) Demo XIX: Examining Parallel Buses

Step: ① Press B1 → "Bus" and select "Parallel"; ② Define input → Data bits=7 (D0=LSB, D6=MSB); ③ Set "timer data" to "yes", "clock edge"=rising edge, "clock"=D7; ④ "single" acquisition (clock rising edge decoding bus); ⑤ Event Table "(displays data values and timestamps when enabled, can export CSV).

(5) Demo XX: Parallel bus data value triggering

Steps: ① "Trigger Menu" → "Type" Select "Bus" → "Signal Source Bus" Select B1; ② "Data" Set 7F (hexadecimal, all 1s); ③ Menu Off "→" Run/Stop "; ④ Triggered when 7F occurs.

(6) Demo XXI: Searching for Parallel Bus Data Values

Step: ① Press "Search" → "Open"; ② Copy trigger settings to search "(using 7F from demonstration XX as a standard); ③ Change 'data' to 7X (X=any value, resulting in an increase in results); ④ Menu Off.

(7) Demo XXII: Discovery of multi-channel establishment and maintenance

Step: ① P6516 (D2 → Q OUTPUT, D1 → D INPUT, D0 → FF CLOCK, grounded); ② Default Setup "→ Close channel 1; ③ Open D0-D2, label D0="CLOCK"; ④ Set the horizontal "scale" to 1 ns/grid; ⑤ Select "Create&Maintain" from "Trigger Menu" ->"Type"; ⑥ Define input "(clock=D0, D1/D2=data, clock edge=rising edge); ⑦ Set the establishment time to 500 ps and the holding time to 1.5 ns for "time"; ⑧ "single" acquisition (display timing changes, gray fuzzy band=edge uncertainty); ⑨ MagniVu is enabled (to verify if it is a genuine violation).

(8) Demo XXIII: Magnify the white edge

Steps: ① P6139A (channel 1 → XTALK 1, connected to GND), P6516 (D0 → XTALK 1); ② Default Setup "→" Collection "→" Record Length "=1M points; ③ Press "D15-D0" → "Height" to set "L" (large); ④ Set "Auto Settings" → Horizontal "Scale" to 1 μ s; ⑤ Place channel 1 in the upper half and digital channel in the lower half; ⑥ Run/Stop "(observe the white vertical edge); ⑦ Pan/zoom to white edge → zoom in (view narrow pulse details).

Demo board operation and troubleshooting

1. Operation demonstration board

Serial Select button: Switch serial standards (RS232, I2C, SPI, CAN), corresponding LED lights up;

Random Errors button: Generate a random error signal (burr frequency 1-10 ns, duration 500 ns-50 μ s);

SINGLE/HOT ON/OFF button: Switch between single/continuous serial streams;

Single Shot trigger button: Activate 2 ns pulse and 512 MHz oscillator.

2. Troubleshooting of demonstration board

(1) Basic inspection

Power check: Check if the "USB POWER" LED is on. If it is not on, unplug and plug in the USB again;

Set up check: Confirm that the Serial Select LED is consistent with the expected serial standard.

(2) Reset operation

Normal reset: Press the "Reset" button on the demonstration board;

Overall reset: ① Press and hold "SINGLE/HOT ON/OFF"; ② Press and release 'Reset'; ③ Release after all 4 LEDs of Serial Select are fully lit; ④ Four LEDs flash several times, but only the I2C LED lights up (reset completed).