The Tektronix TDS784D is a 4-channel digital oscilloscope featuring 1 GHz bandwidth, sample rates up to 4 GS/s, and a maximum waveform capture rate of 200,000 waveforms per second. It is equipped with advanced analysis capabilities including FFT, histograms, and communication signal mask testing.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB |
| Display | Color CRT |
| Removable Storage | Floppy Disk Drive; Iomega Zip and Zip Plus drive compatible |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 250 VRMS, 45 to 440 Hz, 300 W max |
| Operating Temperature | +4 to +50 (+10 to +50 with floppy) |
| Dimensions (W×H×D) | 432 × 193 × 432 |
| Weight | 14 |
Vertical System
| Parameter | Value |
|---|---|
| Analog Bandwidth | 1 GHz |
| Number of Input Channels | 4 |
| Vertical Resolution | 8 bits (>11 bits with averaging, >13 bits with Hi-Res) |
| Input Sensitivity Range | 1 mV/div to 10 V/div |
| DC Gain Accuracy | ±1% |
| Input Impedance | 1 MΩ ±0.5% || 10 pF, 50 Ω ±1% |
| Maximum Input Voltage (50 Ω) | 5 VRMS, peaks ≤ ±25 V |
| Maximum Input Voltage (1 MΩ) | 400 V (DC + peak AC) |
| Bandwidth Limits | 20 MHz, 250 MHz |
| Vertical Coupling | AC, DC, GND |
| Analog Rise Time | 350 ps |
Horizontal System
| Parameter | Value |
|---|---|
| Channel-to-Channel Deskew Range | Supported |
| Timebase Range | 50 ps/div to 10 s/div |
| Timebase Accuracy | ±25 ppm |
Acquisition System
| Parameter | Value |
|---|---|
| Maximum Real-Time Sample Rate | 4 GS/s (configuration/channel dependent) |
| Maximum Waveform Capture Rate | 400,000 waveforms/s |
| Maximum Record Length | Up to 8 M points (configuration dependent) |
| Peak Detect | 1 ns |
| Acquisition Modes | FastFrame™ with Time Stamp |
Triggering System
| Parameter | Value |
|---|---|
| Advanced Trigger Types | Supported |
Measurement and Analysis
| Parameter | Value |
|---|---|
| Automatic Measurements | 29 (with Measurement Statistics) |
| Waveform Math | Advanced Math |
| Fast Fourier Transform (FFT) | Supported |
| Waveform Histograms | Supported (with Histogram Statistics) |
| Limit Test | Supported |
| Signal Analysis | Communication Signal Analysis (Mask Testing, SONET/SDH, Fibre Channel) |
Input and Output Interfaces
| Parameter | Value |
|---|---|
| GPIB Interface | Full GPIB Programmability |
| Optical Input | Optical Reference Receivers |
Triggering
| Parameter | Value |
|---|---|
| Trigger Coupling | AC, DC, HF Rej, LF Rej, Noise Rej |
| Trigger Jitter | ≤8 ps RMS (typical) |
| Video Trigger Formats | NTSC, PAL, SECAM |
Display System
| Parameter | Value |
|---|---|
| Display Resolution | 640 x 480 pixels |
Inputs & Outputs
| Parameter | Value |
|---|---|
| External Video Output | 15-pin D-sub (VGA) |
Data Storage
| Parameter | Value |
|---|---|
| Saved Setups | 10 front-panel setups |
| Reference Waveforms | 4 reference waveforms |
Power
| Parameter | Value |
|---|---|
| Maximum Power Consumption | 300 W |
Compliance
| Parameter | Value |
|---|---|
| Safety Certifications | UL3111-1, CSA1010.1, EN61010-1, IEC61010-1 |
| Electromagnetic Compatibility (EMC) | CE Mark, FCC Part 15 Class A |
Technology
Digital
Applications
Test equipment > Oscilloscopes > Digital