Tektronix DSA70000 Series Digital Serial Analyzers
7 models with full specifications from Tektronix.
The Tektronix DSA70000, DSA70000B, and DSA70000C series are high-performance 4-channel digital serial analyzers designed for signal integrity verification, compliance testing, and characterization of high-speed serial data standards. These real-time oscilloscopes provide hardware bandwidth options ranging from 4 GHz up to 20 GHz, catering to engineers debugging advanced serial designs. With low noise floors, specialized triggering systems, and deep vertical resolution, these instruments assist in identifying jitter, signal anomalies, and compliance failures. This page provides a technical comparison of the available models, outlining their bandwidth variations, rise times, and interface options to help technical buyers choose the correct model for their specific testing requirements.
- Number of Analog Channels
- 4
- Analog Bandwidth Range
- 4 GHz to 20 GHz
- Vertical Resolution
- 8-bit (up to 11-bit with averaging or Hi-Res)
- Display Size
- 12.1-inch XGA Touchscreen
Models in this series
| Model | Type | Display | Interfaces | Analog Bandwidth (-3 dB) |
|---|---|---|---|---|
| DSA72004 | Data | 12.1 in color display | LAN, USB, GPIB | — |
| DSA70804 | Data | 12.1 in. (307.3 mm) liquid crystal active-matrix color TFT touch screen, 1024 x 768 pixels (XGA) | USB 2.0, LAN (10/100/1000 Base-T), GPIB (IEEE 488.2), DVI-I, VGA | 8 GHz |
| DSA70404 | Digital/Analog | 12.1-inch liquid crystal active-matrix color TFT touch screen, 1024 × 768 pixels (XGA) | USB 2.0 (Host/Device), LAN (10/100/1000 Base-T), GPIB, RS-232, DVI-I, VGA, Auxiliary Input/Output, Reference Clock Input/Output | 4 GHz |
| DSA72004C | *misc | 12.1-inch color TFT-LCD with resistive touchscreen, 1024 × 768 pixels (XGA) | USB 2.0, LAN (10/100/1000 Base-T, LXI Class C), GPIB, DVI-I, VGA, RS-232 | 20 GHz |
| DSA70804C | *misc | 12.1 in. (307 mm) Liquid Crystal Active Matrix Color TFT touchscreen, 1024 × 768 pixels (XGA) | GPIB, LAN (10/100/1000 Base-T, LXI Class C), USB 2.0 host (5 ports), USB device, Auxiliary Input, Auxiliary Output, Reference Clock Input, Reference Clock Output, DVI-I Out | 8 GHz |
| DSA71254 | Data | 12.1-inch active matrix color TFT-LCD touch screen, XGA (1024 × 768) resolution | USB 2.0, GPIB (IEEE 488.2), LAN (10/100/1000 Base-T), LXI Class C, VGA, DVI, RS-232 | 12.5 GHz |
| DSA71604B | *misc | 12.1-inch active-matrix color TFT-LCD touchscreen, 1024 × 768 pixels (XGA) | USB 2.0 (Host & Device), LAN (10/100/1000 Base-T, LXI Class C), GPIB, DVI-I, VGA, RS-232 | 16 GHz |
Bandwidth and Rise Time Capabilities
The models in this family are distinguished primarily by their analog bandwidth capabilities and corresponding rise times. The Tektronix DSA70404 represents the starting point of this high-performance line with a 4 GHz bandwidth and a typical 10% to 90% rise time of 98 ps. Moving up the performance scale, the Tektronix DSA70804 and Tektronix DSA70804C deliver 8 GHz of bandwidth with a 10% to 90% rise time of 54 ps.
For higher-speed serial testing, the Tektronix DSA71254 operates at 12.5 GHz with a typical 10% to 90% rise time of 35 ps, while the Tektronix DSA71604B provides 16 GHz bandwidth with a typical 28 ps rise time. The series is capped by the 20 GHz models, the Tektronix DSA72004 and Tektronix DSA72004C, which feature the fastest rise times down to 22 ps (10% to 90%) on the C-version.
Sampling Performance and Hardware Architecture
Sampling rates and processing power scale across these series. The Tektronix DSA71604B offers a real-time sample rate of 50 GS/s across all four channels. The Tektronix DSA70804C and Tektronix DSA70404 support up to 25 GS/s real-time rates. The Tektronix DSA72004 also delivers up to 25 GS/s real-time on all four channels and features Pinpoint triggering alongside the MultiView Zoom feature for signal navigation.
Signal input interfaces are standardized on high-quality connector types, with several models such as the Tektronix DSA70804, Tektronix DSA72004C, and Tektronix DSA71254 utilizing the TekConnect probe interface to maintain signal fidelity.
Integration and Interface Options
Connectivity across the DSA70000 series families includes standard options such as LAN (10/100/1000 Base-T), USB 2.0, GPIB, DVI-I, and VGA. Operating systems and compliance standards also differ slightly by generation; for example, the Tektronix DSA70404 operates on Microsoft Windows XP Professional and complies with LXI Class C V1.3. Many models, including the Tektronix DSA70804C, also feature LXI Class C compliance, facilitating seamless integration into automated test environments.
Frequently asked questions
- What input connector type is used on these instruments?
- Several models in this series, including the DSA70804, DSA72004C, and DSA71254, use the TekConnect probe interface to preserve high-frequency signal integrity.
- What vertical resolution do these digital serial analyzers provide?
- Each model has a native 8-bit analog-to-digital converter, which can achieve up to 11-bit resolution when utilizing averaging or Hi-Res acquisition modes.
- Do these oscilloscopes support hardware bandwidth limits?
- Yes. For instance, the DSA72004C features hardware bandwidth limits of 250 MHz or 4.2 GHz, with DSP-limited filters down to 10 GHz in 1 GHz steps. The DSA72004 also features user-selectable bandwidth limits.