The Tektronix P7508 is an 8 GHz TriMode differential probe designed for use with high-bandwidth Tektronix oscilloscopes featuring the TekConnect interface. It allows users to perform differential, single-ended, and common-mode measurements using a single probe connection.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | TekConnect |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Powered directly by host oscilloscope via TekConnect interface |
| Operating Temperature | 0 °C to +40 °C |
| Dimensions (W×H×D) | 107 mm × 41 mm × 26 mm (compensation box) |
| Weight | 0.154 |
General Classifications
| Parameter | Value |
|---|---|
| Probe Type | TriMode Differential Probe |
| Signal Type | Differential, Single-Ended, Common Mode (TriMode acquisition) |
| Compatible Host Instruments | Tektronix oscilloscopes with TekConnect interface |
Electrical Performance Specs
| Parameter | Value |
|---|---|
| Bandwidth (-3 dB) | ≥ 8.0 GHz |
| Rise Time (10% to 90%) | < 55 ps |
| Rise Time (20% to 80%) | < 36 ps (typical) |
| Attenuation Settings | 5.0x or 12.5x (user-selectable) |
| DC Input Resistance (Differential) | 100 kΩ |
| DC Input Resistance (Single-Ended) | 50 kΩ |
| Input Capacitance (Differential) | < 0.27 pF (with solder-in tip) |
| Input Capacitance (Single-Ended) | < 0.40 pF (with solder-in tip) |
| Dynamic Range (5x setting) | 0.75 V p-p |
| Dynamic Range (12.5x setting) | 1.75 V p-p |
| Offset Range | -1.5 V to +2.5 V |
| DC Common Mode Range | -1.5 V to +2.5 V |
| Maximum Non-Destruct Input Voltage | ±15 V (DC + peak AC) |
| Common Mode Rejection Ratio (CMRR) @ 50 Hz | > 60 dB |
| Common Mode Rejection Ratio (CMRR) @ 1 GHz | > 34 dB |
| Common Mode Rejection Ratio (CMRR) @ 4 GHz | > 24 dB |
| System Noise (5x setting) | < 3.2 mV RMS (typical) |
| System Noise (12.5x setting) | < 6.5 mV RMS (typical) |
Physical and Connectivity Specifications
| Parameter | Value |
|---|---|
| Input Connector / Interface Type | P7500 Series TriMode Solder-In, Hand-Held, or Coaxial Adapters |
| Output Connector / Host Interface | TekConnect |
| Cable Length | 1.3 m (51 in) |
Environmental and Safety Compliance
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 °C to +60 °C |
| Operating Humidity Range | 20% to 80% RH (non-condensing) |
| Maximum Operating Altitude | 3,000 m (9,843 ft) |
Performance
| Parameter | Value |
|---|---|
| Operating Voltage Window (5x setting) | -1.5 V to +2.5 V |
| Operating Voltage Window (12.5x setting) | -1.5 V to +2.5 V |
| Propagation Delay | 5.4 ns |
| DC Gain Accuracy | ±2% (differential) |
| S-parameters Characterization | Individual probe S-parameters stored in probe nonvolatile memory |
Features
| Parameter | Value |
|---|---|
| Probing Modes | TriMode (Differential (A-B), Single-Ended (A-GND), Single-Ended (B-GND), Common-Mode ((A+B)/2)) |
Environmental
| Parameter | Value |
|---|---|
| Non-Operating Altitude | Up to 15,240 m |
| Pollution Degree | 2 |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Output Termination | 50 Ω |
Technology
TriMode Active Differential
Applications
High-Speed Serial Bus Design, Debugging, and Characterization
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