The Tektronix TDS3044B is a 400 MHz, 4-channel Digital Phosphor Oscilloscope (DPO) belonging to the TDS3000B Series. Featuring digital real-time (DRT) sampling technology, it achieves a maximum sample rate of 5 GS/s on all channels simultaneously. This portable instrument integrates continuous 3,600 wfms/s waveform capture, advanced triggering, 25 automatic measurements, and standard Ethernet connectivity, making it an exceptional choice for design, debug, and characterization.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | 10Base-T Ethernet (RJ-45) and Parallel Printer Port standard; GPIB, RS-232, and VGA output available via optional TDS3GV communication module |
| Display | 6.4 in (162.6 mm) color active-matrix TFT LCD, 640 × 480 pixels (VGA) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 250 V AC (47 to 440 Hz at 90 to 121 V, 47 to 63 Hz at 121 to 250 V); 75 W maximum power consumption; optional TDS3BATB battery operation |
| Operating Temperature | 0 to +50 °C |
| Dimensions (W×H×D) | 375 mm × 176 mm × 149 mm |
| Weight | 3.2 kg (without battery); 4.5 kg (with battery) |
Vertical System
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Analog Bandwidth | 400 MHz |
| Calculated Rise Time | 0.875 ns |
| Hardware Bandwidth Limits | 20 MHz, 150 MHz |
| Input Coupling | AC, DC, GND |
| Input Impedance | 1 MΩ ±1% in parallel with 13 pF ±2 pF, or 50 Ω ±1% |
| Input Sensitivity Range | 1 mV/div to 10 V/div (1 MΩ); 1 mV/div to 1 V/div (50 Ω) |
| Vertical Resolution | 8 bits |
| DC Gain Accuracy | ±2% |
| Offset Range | ±1 V (1 mV to 100 mV/div), ±10 V (101 mV to 1 V/div), ±100 V (1.01 V to 10 V/div) for 1 MΩ; ±1 V (1 mV to 100 mV/div), ±10 V (101 mV to 1 V/div) for 50 Ω |
| Channel-to-Channel Isolation | ≥100:1 at 100 MHz |
| Probe Interface | TekProbe® Level II interface supports active, differential, and current probes for automatic scaling and units |
| Vertical Position Range | ±5 divisions |
| Common Mode Rejection Ratio (CMRR) | 100:1 at 60 Hz, 30:1 at 50 MHz (with identical vertical settings) |
| Input Capacitance | 13 pF ±2 pF |
Horizontal System
| Parameter | Value |
|---|---|
| Timebase Range | 1 ns/div to 10 s/div |
| Timebase Accuracy | ±20 ppm |
| Horizontal Zoom | Zoom and pan on any waveform in run or stop mode |
Acquisition System
| Parameter | Value |
|---|---|
| Max Real-Time Sample Rate | 5 GS/s on all channels |
| Max Record Length | 10k points per channel |
| Acquisition Modes | Sample, Peak Detect, Envelope, Average, Single Sequence |
| Waveform Capture Rate | Up to 3,600 wfms/s continuous |
| Waveform Anomaly Detection | WaveAlert® automatic waveform anomaly detection |
| Waveform Averaging | Selectable from 2 to 512 waveforms |
| Waveform Envelope | Selectable from 2 to 512 waveforms, or infinite |
Trigger System
| Parameter | Value |
|---|---|
| Trigger Modes | Auto, Normal, Single |
| Trigger Coupling | DC, AC, HF Reject, LF Reject, Noise Reject |
| Trigger Holdoff Range | 250 ns to 8 s |
| Trigger Sensitivity | 0.35 div from DC to 50 MHz, increasing to 1 div at 400 MHz |
| Trigger Level Range | ±8 divisions from center of screen |
| Edge Triggering | Positive or negative slope on any channel |
| Video Triggering | Triggers on all lines, individual lines, odd/even or all fields on NTSC, PAL, and SECAM signals |
| Pulse Width Triggering | Triggers on width of positive or negative pulses <, >, =, or ≠ a selectable time limit (39.6 ns to 2 s) |
| Runt Triggering | Triggers on a pulse that crosses one threshold but fails to cross a second threshold |
| Slew Rate Triggering | Triggers on pulse edge rates that are faster or slower than a set limit |
| Pattern/State Triggering | Triggers on logic patterns (AND, OR, NAND, NOR) and state (clocked) |
Waveform Measurements and Math
| Parameter | Value |
|---|---|
| Automatic Waveform Measurements | 25 measurements (Period, Frequency, +Width, -Width, Rise Time, Fall Time, +Duty Cycle, -Duty Cycle, +Overshoot, -Overshoot, High, Low, Max, Min, Peak-to-Peak, Amplitude, Mean, Cycle Mean, RMS, Cycle RMS, Area, Cycle Area, Burst Width, Delay, Phase) |
| Measurement Gating | Gating via screen cursors or full record length |
| Waveform Math Operations | Add, Subtract, Multiply, Divide |
| Fast Fourier Transform (FFT) | Spectral magnitude; FFT windows: Rectangular, Hamming, Hanning, Blackman-Harris |
Display System
| Parameter | Value |
|---|---|
| Display Graticule Styles | Full, Grid, Crosshair, Frame |
I/O Interfaces and Connectivity
| Parameter | Value |
|---|---|
| Web-based Remote Control | e*Scope® web-based interface for remote instrument control over LAN |
Storage and File System
| Parameter | Value |
|---|---|
| Removable Media Storage | 3.5 in 1.44 MB floppy disk drive |
| Internal Setup Storage Channels | 10 setups |
| Internal Waveform Storage Channels | 4 waveforms |
| Supported File Formats | TIFF, BMP, PCX, EPS, PNG, spreadsheet (CSV), math format |
Power Requirements
| Parameter | Value |
|---|---|
| Battery Operation Support | Optional TDS3BATB rechargeable Li-ion battery pack |
| Battery Runtime (Typical) | Up to 3 hours |
Environmental and Safety Compliance
| Parameter | Value |
|---|---|
| Non-Operating Temperature | -20 to +60 °C |
| Humidity Limits | Up to 95% RH at or below +30 °C; up to 45% RH up to +50 °C |
| Operating Altitude | Up to 3,000 m (9,843 ft) |
| Non-Operating Altitude | Up to 15,000 m (49,212 ft) |
Ordering Information and Options
| Parameter | Value |
|---|---|
| Included Standard Probes | Four P6139A 10X passive probes (500 MHz bandwidth) |
| Optional Application Modules | TDS3AAM (Advanced Analysis), TDS3LIM (Limit Testing), TDS3TMT (Telecommunications Mask Testing), TDS3VID (Extended Video), TDS3SDI (601 Serial Digital Video) |
| Optional Communication Modules | TDS3GV (GPIB, RS-232, and VGA video port) |
| Warranty Period | 3 years |
Triggering
| Parameter | Value |
|---|---|
| B-Trigger | Trigger after time (16.5 ns to 8.5 s) or after events (1 to 9,999,999 events) |
| Trigger Level Accuracy | ±(0.2 div + 5% of trigger level) typical |
| Trigger Jitter | 15 ps RMS (typical) |
Interfaces & Connectivity
| Parameter | Value |
|---|---|
| Standard Parallel Printer Port | Centronics parallel port, DB-25 female |
| Standard LAN Port | 10Base-T Ethernet, RJ-45 connector |
| Probe Compensation Output | 5.0 V into ≥1 MΩ load, frequency 1 kHz (typical) |
| Optional VGA Output | DB-15 female connector (requires TDS3GV module) |
| Optional GPIB Interface | IEEE 488.2 standard interface (requires TDS3GV module) |
| Optional RS-232 Interface | DB-9 male connector (requires TDS3GV module) |
General Specs
| Parameter | Value |
|---|---|
| Power Consumption | 75 W maximum |
| Cooling Clearance | 50 mm (2 in) required on left side and rear |
| Safety Standards | UL61010B-1, CAN/CSA-C22.2 No. 1010.1, EN 61010-1 |
| Electromagnetic Compatibility (EMC) | EN 61326 Class A, AS/NZS 2064, FCC Part 15 Subpart B Class A |
| Warm-up Time | 20 minutes |
Display
| Parameter | Value |
|---|---|
| Display Diagonal Size | 6.5 in. (165.1 mm) |
| Display Resolution | 640 x 480 pixels |
| Display Technology | Active-matrix color TFT LCD |
| Graticule Divisions | 8 x 10 divisions |
Storage
| Parameter | Value |
|---|---|
| Floppy Disk Drive Size | 3.5 in. |
| Floppy Disk Drive Capacity | 1.44 MB |
Power & Battery
| Parameter | Value |
|---|---|
| Compatible Battery Model | TDS3BATB |
| Compatible Battery Chemistry | Lithium-ion (Li-Ion) |
| AC Input Voltage Range | 90 to 250 V AC |
| AC Input Frequency Range | 47 to 440 Hz (90 to 132 V), 47 to 63 Hz (132 to 250 V) |
Input/Output Interfaces
| Parameter | Value |
|---|---|
| Rear Module Slots | 1 expansion slot |
Technology
Digital Phosphor Oscilloscope (DPO)
Applications
Electronic Design, Manufacturing Test, Service and Repair, Education