The Tektronix 80E04 is a high-performance, 2-channel electrical sampling module featuring Time Domain Reflectometry (TDR) capabilities. Designed for use with Tektronix Digital Serial Analyzers and Communications Signal Analyzers, it provides a 20 GHz analog bandwidth and a rapid TDR step rise time, making it ideal for impedance characterization, crosstalk analysis, and high-speed signal integrity measurements.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | Proprietary 80-pin mainframe interface, 2x 3.5 mm female RF connectors |
| Display | None (uses host mainframe display) |
| Standard Accessories | Two SMA 50 Ω terminations, two SMA shorts, anti-static wrist strap, calibration certificate |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Powered directly by the host mainframe |
| Operating Temperature | 10 °C to 40 °C |
| Dimensions (W×H×D) | 79 mm × 25 mm × 135 mm |
| Weight | 0.4 kg |
Signal Acquisition (Vertical System)
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Analog Bandwidth | 20 GHz |
| Calculated Rise Time (10% to 90%) | 17.5 ps |
| Calculated Rise Time (20% to 80%) | 12.0 ps |
| RMS Noise (Typical) | 600 µV |
| RMS Noise (Maximum) | 1.2 mV |
| Dynamic Range | 1.0 V p-p |
| Offset Range | ±1.6 V |
| Vertical Scale Range | 1 mV/div to 100 mV/div |
| DC Gain Accuracy | ±1.0% of full scale |
TDR / TDT Step Generator
| Parameter | Value |
|---|---|
| TDR Channels | 2 |
| TDR Step Rise Time (10% to 90%, Typical) | 28 ps |
| TDR Step Rise Time (10% to 90%, Maximum) | 35 ps |
| TDR Step Amplitude | 250 mV (nominal, each channel) |
| Step Polarity Configurations | Positive or negative (selectable independently per channel) |
| TDR Step Repetition Rate | 25 kHz to 300 kHz (selectable) |
| TDT Capability | Supported (using dual-channel configuration) |
Input Characteristics & Port Specifications
| Parameter | Value |
|---|---|
| Input Connector Type | 3.5 mm female |
| Input Impedance | 50 Ω ± 1 Ω |
| Maximum Non-destructive Input Voltage | ±2.0 V (DC + peak AC) |
Host Mainframe Compatibility & Control
| Parameter | Value |
|---|---|
| Compatible Mainframes | Tektronix DSA8300, DSA8200, CSA8200, CSA8000, TDS8200, TDS8000 |
| Slot Width Requirement | 1 slot |
Physical Characteristics
| Parameter | Value |
|---|---|
| Width | 79 mm |
| Height | 25 mm |
| Depth | 135 mm |
Environmental & Compliance
| Parameter | Value |
|---|---|
| Operating Temperature Range | 10 °C to 40 °C |
| Non-Operating Temperature Range | -22 °C to 60 °C |
| Operating Humidity Range | 20% to 80% RH (non-condensing) |
TDR Performance
| Parameter | Value |
|---|---|
| TDR Step Aberrations (First 300 ps) | +10%, -5% or less (typical) |
| TDR Step Aberrations (300 ps to 5 ns) | ±3% or less (typical) |
| TDR Step Aberrations (After 5 ns) | ±1% or less (typical) |
Horizontal System
| Parameter | Value |
|---|---|
| Horizontal Deskew Range | ±250 ps |
Electrical Characteristics
| Parameter | Value |
|---|---|
| DC Input Resistance Tolerance | ±0.5 Ω |
| Channel-to-Channel Isolation | ≥60 dB at 10 GHz, ≥50 dB at 20 GHz (typical) |
Environmental
| Parameter | Value |
|---|---|
| Maximum Operating Altitude | 3000 m |
| Maximum Non-Operating Altitude | 12190 m |
| Operating Vibration | 0.33 GRMS (5 Hz to 500 Hz) |
| Non-Operating Vibration | 2.24 GRMS (5 Hz to 500 Hz) |
Vertical System
| Parameter | Value |
|---|---|
| Maximum Operating Input Voltage | 1.0 V p-p |
| DC Input Resistance | 50 Ω ± 0.5 Ω |
TDR System
| Parameter | Value |
|---|---|
| TDR Step Source Impedance | 50 Ω ± 1 Ω |
| TDR Step Delay Range | -500 ps to +1000 ps |
Technology
Electrical Sampling & Time Domain Reflectometry (TDR)
Applications
High-speed interconnect characterization, differential impedance measurements, and signal integrity testing