The Tektronix TDS430A is a portable 400 MHz, 2-channel digital storage oscilloscope with a maximum real-time sampling rate of 100 MS/s. Designed for electronic debugging, circuit analysis, and video signal troubleshooting, it offers a high-fidelity vertical system with 8-bit resolution, 1.5% DC accuracy, and standard 15,000-point record length (expandable to 120,000 points with Option XL). It features a built-in 3.5-inch floppy drive for storage, 25 automatic measurements, and peak detect mode down to 10 ns.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2) standard; RS-232 and Centronics parallel port (with Option 05) |
| Display | 7-inch (178 mm) monochrome CRT |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 250 V RMS, 45 to 440 Hz, maximum 180 W |
| Operating Temperature | 0 to +50 °C |
| Dimensions (W×H×D) | 363 mm × 191 mm × 472 mm |
| Weight | 8.6 |
Vertical System
| Parameter | Value |
|---|---|
| Analog Bandwidth (-3 dB) | 400 MHz |
| Calculated Rise Time | 875 ps |
| Number of Input Channels | 2 |
| Vertical Resolution | 8 bits (up to 12 bits with HiRes) |
| DC Gain Accuracy | ±1.5% |
| Input Sensitivity Range | 1 mV/div to 10 V/div |
| Input Impedance | 1 MΩ in parallel with 15 pF |
| Input Coupling | AC, DC, GND |
| Maximum Input Voltage | 300 V CAT II |
| Hardware Bandwidth Limits | 20 MHz, 100 MHz |
| Input Capacitance | 15 pF |
| Channel Isolation | >= 100:1 at 100 MHz |
| Vertical Position Range | ±5 divisions |
| Vertical Offset Range | ±1 V (1 mV/div to 99.5 mV/div), ±10 V (100 mV/div to 995 mV/div), ±100 V (1 V/div to 10 V/div) |
Horizontal System
| Parameter | Value |
|---|---|
| Maximum Real-Time Sampling Rate | 100 MS/s |
| Maximum Record Length | 30,000 points (standard), 120,000 points (with Option XL) |
| Time Base Range | 1 ns/div to 20 s/div |
| Time Base Accuracy | ±0.015% (±150 ppm) |
Trigger System
| Parameter | Value |
|---|---|
| Trigger Sources | Channel 1, Channel 2, Line, External |
| Trigger Modes | Auto, Normal, Single |
| Edge Triggering | Yes |
| Video Triggering | NTSC, PAL, SECAM, and custom formats |
| Pulse Triggering | Glitch, Width |
| Trigger Holdoff Range | 200 ns to 12 s |
| Internal Edge Trigger Sensitivity | 0.35 div (DC to 50 MHz), 1.0 div (at 400 MHz) |
Acquisition System
| Parameter | Value |
|---|---|
| Acquisition Modes | Sample, Envelope, Average, Peak Detect, Roll |
| Peak Detect Minimum Pulse Width | 10 ns |
Waveform Measurements and Analysis
| Parameter | Value |
|---|---|
| Automatic Measurements | 25 built-in measurements |
| Waveform Math Functions | Addition, subtraction, multiplication; FFT and Extended Math with Option 3F |
Processor and Storage
| Parameter | Value |
|---|---|
| Removable Storage | 3.5-inch 1.44 MB MS-DOS compatible floppy drive |
Environmental Specifications
| Parameter | Value |
|---|---|
| Storage Temperature Range | -22 to +60 °C |
Storage & Memory
| Parameter | Value |
|---|---|
| Reference Waveform Storage | 4 waveforms (nonvolatile) |
| Instrument Setup Storage | 10 panel setups |
Environmental
| Parameter | Value |
|---|---|
| Maximum Operating Altitude | 4,500 m (15,000 ft) |
| Maximum Non-Operating Altitude | 15,000 m (50,000 ft) |
| Operating Humidity | Up to 95% RH at or below +30 °C |
Options
| Parameter | Value |
|---|---|
| Option 1M | Increases record length to 120,000 points |
| Option 13 | Adds RS-232 and Centronics interface ports |
| Option 1F | Floppy disk drive is standard |
| Option 2F | Advanced DSP Math (adds FFT, integration, and differentiation) |
Signal Outputs
| Parameter | Value |
|---|---|
| Probe Compensator Output Voltage | 0.5 V into ≥ 1 MOhm |
| Probe Compensator Output Frequency | 1 kHz |
Power
| Parameter | Value |
|---|---|
| AC Power Source Voltage | 90 V to 250 V RMS (continuous) |
| AC Power Source Frequency | 45 Hz to 440 Hz |
| Maximum Power Consumption | 190 W |
Technology
Digital Storage Oscilloscope (DSO)
Applications
Electronic troubleshooting, circuit analysis, video signal testing, design debugging