Differential signaling used in high speed serial standards requires very accurate characterization. The industry-leading bandwidth and signal fidelity found in a Tektronix low voltage differential oscilloscope probe ensures that you see every possible detail. Tektronix offers TriMode™ architecture which streamlines measurement acquisition by enabling you to make differential, single-ended, and common mode measurements with a single connection!
Differential active probes provide truer signal reproduction and fidelity for high-frequency measurements. With ultra-low input capacitance and versatile device-under-test connection capabilities, the TDP1500, TDP3500 and TDP4000 Differential-ended Active probes provide excellent high-speed electrical and mechanical performance required for today's digital system designs.
| Benefits |
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| Outstanding Electrical Performance | 4 GHz, 3.5 GHz and 1.5 GHz bandwidth models - accurate measurements for serial and digital applications
Excellent common mode rejection – reduces measurement errors in higher common environments
Low capacitive and resistive loading – maintains signal fidelity and reduces DC biasing interactions
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| Versatile Mechanical Performance | Compact probe head size for probing small geometry circuit elements
DUT attachment accessories enable connection to fine-spaced SMDs
Robust design for reliability
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| Easy to Use | Connects directly to oscilloscopes with the TekVPI™ probe interface
Provides automatic units scaling and readout on the oscilloscopes display
Easy access to probe comp box controls or oscilloscope probe menu display for probe status, setup control, and diagnostic information
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| Integrated Scope/Probe System | Direct connection to and powered from the TekVPI™ oscilloscope interface (Connects directly to TekVPI scopes without the need of an external power supply, like many competitors require)
Single-button oscilloscope probe menu access
Setup and control from probe comp box or oscilloscope user interface
AutoZero - zeros out output offset
Remote GPIB/USB probe control through the oscilloscope
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| Applications |
Design, validation, debugging, and characterization of common high-speed serial bus designs:
I ²C
CAN/LIN
SPI
Serial ATA
Ethernet (GbE)
USB 2.0
FIreWire (1394b)
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| Signal integrity, jitter, and timing analysis |
| Manufacturing, engineering, and test |
| Specifications |
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TDP1500, TDP3500 and TDP4000
Differential Probes
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| Model Overview |
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| Model | TDP1500 | TDP3500 | TDP4000 |
| Bandwidth (probe only) | ≥1.5 GHz warranted | ≥3.5 GHz | ≥4 GHz |
| Rise Time (probe only) | <265 ps | ≤140 ps | ≤125 ps |
Maximum Input Voltage
(non-destruct)
| ±25 V (DC + pk AC) | ±15 V (DC + pk AC) | ±15 V (DC + pk AC) |
| Attenuation | 1X
10X
| 5X |
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| Differential Input Capacitance | <1 pF | <0.3 pF | <0.3 pF |
| Differential Input Resistance | 200 kΩ | 100 kΩ | 100 kΩ |
| Noise Level | < 2 mV RMS (0.85 V range)
< 1 mV RMS (8.5 V range)
| <35 nV/√Hz at 100 MHz
| <35 nV/√Hz at 100 MHz |
| Propagation Delay | 5.4 ns ± 0.2 ns | 5.4 ns ± 0.2 ns | 5.4 ns ± 0.2 ns |
| Common Mode Input Range | ± 7 V; 5 V RMS | +5 V to -4 V | +5 V to -4 V |
| Input Offset Range | ±7 V (10X or 1X) | ±1 V displayed | ±1 V displayed |
| Differential Input Dynamic Range | ±8.5 V ; 6 V RMS (10X)
±850 mV ; 0.6 V RMS (1X)
| ±2 V | ±2 V |
| Specifications |
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CMRR
(Common Mode Rejection Ratio)
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| Model | Frequency Range | 8.5 V range | 0.85 V range |
| TDP1500 | 1 MHz
100 MHz
500 MHz
1 GHz
| >45 dB
>25 dB
>20 dB
>18 dB
| >60 dB
>38 dB
>35 dB
>30 dB
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| Specifications |
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CMRR
(Common Mode Rejection Ratio)
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| Model | Frequency | CMRR |
| TDP3500 | DC
1 MHz
30 MHz
1 GHz
| >60 dB
>55 dB
>45 dB
>25 dB
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| TDP4000 | DC
1 MHz
30 MHz
1 GHz
| >60 dB
>55 dB
>45 dB
>25 dB
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| Specifications |
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TDP1500, TDP3500 and TDP4000
Differential Probes
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| Model Overview |
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| Model | Description |
| TDP1500 | 1.5 GHz Differential Probe with TekVPI™ Probe Interface
Certificate of Traceable Calibration Standard
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| TDP3500 | 3.5 GHz Differential Probe with TekVPI™ Probe Interface
Certificate of Traceable Calibration Standard
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| TDP4000 | 4 GHz Differential Probe with TekVPI™ Probe Interface
Certificate of Traceable Calibration Standard
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