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Picotest

Picotest P2105A 1-Port TDR-Browsersonde

Picotest P2105A 1-Port TDR-Browsersonde

Multi-function 15GHz browser probe with interchangeable heads for TDR, ripple, impedance, and transient load testing.

SKU: P2105A

Normaler Preis
€2.964,95 EUR exc tax
Normaler Preis Verkaufspreis
€2.964,95 EUR exc tax
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Key Features

15GHz High Bandwidth Performance
Interchangeable Snap-On Probe Heads
Browser-Style Point-to-Point Operation
Multiple Fixed Pitch Configurations
Ultra-Low Circuit Loading
50-Ohm Universal Compatibility
Spring-Loaded Probe Tips

Overview

The Picotest P2105A represents a breakthrough in measurement probe versatility, combining five essential test functions in a single, compact instrument. This precision 50-ohm transmission line probe delivers superior performance across TDR impedance measurements, power rail ripple analysis, transient load stepping, near-field EMI detection, and PDN characterisation applications.

The probe's innovative interchangeable head design allows engineers to adapt quickly between measurement types without investing in multiple specialised instruments. Each head is optimised for specific applications while maintaining the probe's exceptional 15GHz bandwidth and minimal circuit loading characteristics.

Key Advantage: The P2105A achieves very low inductance at the probe tip, making it ideal for dense PCB layouts where traditional test points cannot be implemented.

Compatible with industry-standard oscilloscopes and network analysers, the P2105A integrates seamlessly with the Picotest J2154A PerfectPulse TDR for complete impedance measurement solutions. The probe's browser-style operation enables rapid point-to-point measurements across multiple PCB locations without recalibration.

Available in multiple pitch configurations and attenuation levels, the P2105A serves applications from prototype validation through high-volume production testing. Its robust construction and ergonomic design ensure reliable operation in demanding laboratory and field environments.

Downloads

Versatile Multi-Function Design

One probe replaces five separate instruments, reducing bench space and investment costs

Precision TDR Measurements

15GHz bandwidth resolves impedance discontinuities down to 180-mil spatial resolution

Rapid Point-to-Point Testing

Browser operation eliminates need for permanent test points on dense PCB layouts

Die Picotest P2105A-Sonde ist eine 50-Ohm-1-Port-Übertragungsleitungs-Browsersonde für TDR-Anwendungen. Diese Präzisionssonde unterstützt eine Vielzahl von Messungen mit der 1-Port-Reflexionsmethode, darunter hauptsächlich Impedanz und TDT/TDR, aber auch Welligkeit, Rauschen, PCB-Stromschiene, VRM (Spannungsreglermodul) und Taktjitter. Sie bietet erhebliche Vorteile im Vergleich zu aktiven Sonden und anderen Arten passiver Sonden.

Hauptmerkmale

  • 15 GHz Single-Ended-Präzisionssonde mit hoher Bandbreite für alle Anwendungen der Zeitbereichsreflektometrie (TDR)
  • Kompatibel mit dem Picotest J2154A PerfectPulse TDR
  • Verfügbare feste Teilungen: 31, 40, 50, 60, 70, 100 mils oder GSG SMA
  • Benutzerdefinierte Teilungsabstände verfügbar
  • Kompatibel mit allen 50-Ohm-Instrumenten
  • Federstifte für eine einfache Landung
  • Kurze Pins und integriertes, aber abnehmbares PDN-Kabel für geringe Kopplung und optimale Abschirmung
  • Handgeführter Browser-Stil für wiederholbares und einfaches Prüfen; Griffdesign passt für die meisten Sondenhalter
  • Schlankes, flaches Gehäuse für Komfort und Sichtbarkeit
Engineer Q&A

Questions and Answers

9 questions
  • What Is the Measurement Accuracy of Impedance Readings?

    Accuracy depends on the instrument used and the calibration setup. Typical 1-port impedance reflection limits range from about 100mΩ to about 100kΩ.

    Answered by John LeggUpdated 12 Oct 2026
  • Can the P2105A Be Used for Power Rail Ripple Measurements?

    Yes. The P2105A is one of the lowest-noise power rail probes available, so it's well suited to ripple measurements on voltage rails. It outperforms many active power rail probes.

    Answered by John LeggUpdated 12 Oct 2026
  • What Safety Precautions Should I Observe When Using the P2105A?

    Never exceed the maximum voltage ratings of 50VAC or 75VDC. Always check circuit voltage levels before the probe makes contact. Use it only on circuits within its voltage specifications.

    Answered by John LeggUpdated 12 Oct 2026
  • What Cable Length Is Standard with the P2105A?

    The P2105A comes with a 1-metre SMA-Mini SMP PDN cable, chosen for low coupling and good shielding.

    Answered by John LeggUpdated 12 Oct 2026
  • Is Calibration Required for TDR Measurements with the P2105A?

    Calibration is recommended. The probe's bandwidth is calibration dependent, and calibration improves measurement accuracy. It works with standard TDR calibration procedures using open, short and load standards at the probe tip.

    Answered by John LeggUpdated 12 Oct 2026
  • What Pitch Sizes Are Available for the P2105A TDR Probe?

    The P2105A comes in fixed pitches of 20, 31, 40, 50, 60, 70, 80, 100 and 150 mil, plus a GSG SMA configuration. Custom pitches can be made to order.

    Answered by John LeggUpdated 12 Oct 2026
  • Can the P2105A Measure Both Single-ended and Differential Impedances?

    No, the P2105A is designed for single-ended TDR measurements. For differential impedance, use the dedicated Picotest P2103A differential TDR Probe.

    Answered by John LeggUpdated 12 Oct 2026
  • What Oscilloscopes Are Compatible with the P2105A?

    Any oscilloscope or instrument with 50-ohm input impedance. It works particularly well with high-speed oscilloscopes paired with the Picotest J2154A TDR generator for complete impedance analysis.

    Answered by John LeggUpdated 12 Oct 2026
  • How Do I Change Between Different Probe Head Types?

    The P2105A has a snap-on head design, so you can swap between TDR/impedance, S10 load stepper and near-field heads without tools. Different probe pitches are colour-coded.

    Answered by John LeggUpdated 12 Oct 2026

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