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Active Power Rail Probes

TPR1000 • TPR4000 Datasheet

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The TPR1000 and TPR4000 probes provide a low noise, large offset range solution for measurement of ripple on DC power rails ranging from –60 to +60 VDC. Tektronix’s power rail probes offer industry leading low noise and high offset range required to measure AC ripple between 200 μVp-p and 800 mVp-p at up to 4 GHz.

Key performance specifications

  • Compatible with the 6 series MSO, 5 series MSO, 4 Series MSO, 3 Series MDO, MDO3000 1, MDO4000C1, MSO/DPO5000B, DPO7000C, and DPO70000C/⁠DX/⁠SX 2 oscilloscopes
  • Bandwidth: 34
    • DC coupling mode:
      • TPR1000: DC to 1 GHz
      • TPR4000: DC to 4 GHz
    • DC reject mode:
      • TPR1000: 10 kHz to 1 GHz
      • TPR4000: 10 kHz to 4 GHz
  • Linear dynamic range: Up to 60 V DC, 1 Vp-p to bandwidth 5
  • Attenuation: 1.25x3
  • Measurement accuracy:
    • DC linearity: <0.1%
    • Step response long-term aberrations: ±1%
  • Noise:
    • <300 μVp-p noise on 6 Series MSO (20 MHz BW Limit)
    • <1 mVp-p noise on 6 Series MSO (Full Bandwidth)
  • Input impedance:
    • 50 kΩ DC to 10 kHz
    • 50 Ω AC > 100 kHz
  • Temperature range at tip: 6
    • –40 to +125 °C (standard accessories)
    • –40 to +155 °C (high temperature cable option)
  • Offset:
    • ±60 V offset range
    • Offset setting error: ±2 mV max, ±0.4 μV typical

Applications

  • Probing chipsets for power rail voltage supply and control in automotive, industrial and consumer markets
  • Probing digital power management, memory and Ethernet connectivity
  • Probing noise sources on high-frequency power rails

Why use a power-rail probe?

The added functionality, higher density, and faster switching speeds of modern electronic products drive the need for lower supply voltages. Designers need to zoom-in on power rails to look for high-frequency intruder signals, measure ripple and analyze coupling effects with tighter tolerances. Oscilloscopes often don't have enough offset to shift the noise and ripple on DC rails to the center of the screen to make the needed measurements.

The TPR1000 and TPR4000 probes provide a low-noise measurement solution (oscilloscope and probe), which is critical to not confuse the noise of the oscilloscope and probe with the noise and ripple of the DC supply being measured. The higher input impedance in the probes minimize the oscilloscope loading effect on DC rails (50 kΩ at DC). The probes provide higher bandwidth to see more signal content (harmonics, faster ripples, etc.) on DC rails that could affect data signals, clocks, etc.

The TPR1000 and TPR4000 provide a best-in-class integrity solution for power integrity and validation engineers in the high speed (μP), low power (mobile) and switched-mode power supply markets. The probes are designed to offer the lowest noise with high bandwidth at 60 V offset, flexible connectivity options to cover customers challenges, and software packages to cover the digital power management market.

Connectivity using probe accessories

The available probe accessories provide solutions for reliable and repeatable power rail measurements.

TPR1000 TPR4000 EN US 51W 61491 4
Probe accessories to enable connectivity

Specifications

All specifications are guaranteed unless noted otherwise. All specifications apply to all models unless noted otherwise.

Bandwidth
TPR1000: 1 GHz

TPR4000: 4 GHz

Offset voltage range
±60 V
Dynamic range
±1 V
Input resistance
50 kΩ DC

50 Ω AC

Input coupling
DC, LF reject
Accuracy
1 mV
System noise
<300 μVP-P (with 20 MHz bandwidth limit) 7

<1.3 mVP-P (at full bandwidth of oscilloscope)7

Attenuation
1.25x 8
Connectivity and accessories
New browser, solder-in and snap-on

Ordering information

Models

TPR1000
1 GHz, Single-Ended TekVPI® Power-Rail Probe; includes one TPR4KIT accessory kit
TPR4000
4 GHz, Single-Ended TekVPI® Power-Rail Probe; includes one TPR4KIT accessory kit

Accessory kits

Accessory kits provide flexible and modular connectivity options. Each of the kits are orderable separately.

Description TPR4KIT

(std. accessory)

TPR4KITHT

(high temp.)

TPRBRWSR1G

(1 GHz browser)

TPR4SIAFLEX

(flex tips)

TPR4SIACOAX

(micro-coax tips)

1.3 m cable, SMA male-to-MMCX male, 50 Ω

TPR1000 TPR4000 EN US 51W 61491 4

1.3 m cable, SMA male-to-SMA male, 50 Ω

TPR1000 TPR4000 EN US 51W 61491 4

Y-lead adapter, MMCX female-to-0.8 mm sockets

TPR1000 TPR4000 EN US 51W 61491 4

Adapter cable, MMCX female-to-U.FL female, 50 Ω

TPR1000 TPR4000 EN US 51W 61491 4

Adapter, MMCX female-to-square pin (0.062 centers)

TPR1000 TPR4000 EN US 51W 61491 4

DUT interface solder pins, set of 20

TPR1000 TPR4000 EN US 51W 61491 4

Soldering aide tool, 0.062 solder pins over SMT

TPR1000 TPR4000 EN US 51W 61491 4

Probe tip tripod support (with living hinge)

TPR1000 TPR4000 EN US 51W 61491 4

Marker bands, set of 5 (for probe identification)

TPR1000 TPR4000 EN US 51W 61491 4

Wire card, solderable enameled self-fluxing copper wire (for use with the solder-in tips)

TPR1000 TPR4000 EN US 51W 61491 4

Solder-in cable adapter, MMCX female-to-solder micro-coax tip, 50 Ω, set of 3

TPR1000 TPR4000 EN US 51W 61491 4

Solder-in cable adapter, MMCX female-to-solder flex-paddle tip, 50 Ω, set of 3

TPR1000 TPR4000 EN US 51W 61491 4

2 m high-temperature cable, SMA male-to-MMCX male, 50 Ω

TPR1000 TPR4000 EN US 51W 61491 4

1 GHz browser

TPR1000 TPR4000 EN US 51W 61491 4

Ground leads (blade, 0.5 mm spring, 15 cm alligator)

TPR1000 TPR4000 EN US 51W 61491 4
TPR1000 TPR4000 EN US 51W 61491 4
TPR1000 TPR4000 EN US 51W 61491 4

Y-lead adapter, browser tip-to-0.8 mm sockets

TPR1000 TPR4000 EN US 51W 61491 4

Micro-SMD clip

TPR1000 TPR4000 EN US 51W 61491 4

Replacement 0.5 mm browser tips (2 solid tips, 2 spring tips)

TPR1000 TPR4000 EN US 51W 61491 4
TPR1000 TPR4000 EN US 51W 61491 4