Product Overview
The TEKTRONIX 5A48 is a high-performance high-speed differential amplifier plug-in engineered by Tektronix—a global leader in test and measurement solutions—for integration with Tektronix 5000 series oscilloscopes (e.g., 547, 556). As a critical signal conditioning component, the TEKTRONIX 5A48 is designed to amplify and isolate differential signals (e.g., from power electronics, communication systems, or sensor arrays) while rejecting common-mode noise, making it ideal for applications where precise measurement of small differential voltages amid electrical interference is essential.
Optimized for high-frequency performance, the TEKTRONIX 5A48 delivers a wide bandwidth and fast rise time, enabling accurate capture of transient signals in sectors like aerospace, automotive electronics, and telecommunications—where analyzing high-speed digital interfaces (e.g., CAN bus, Ethernet) or power converter switching events demands exceptional signal fidelity. Its rugged design ensures stable operation in both laboratory and industrial test environments, while compatibility with legacy Tektronix oscilloscopes makes it a valuable tool for retrofitting existing test setups. Whether used for 研发 (R&D) of power management systems or quality control in electronics manufacturing, the TEKTRONIX 5A48 provides reliable signal amplification to unlock actionable insights from complex electrical measurements.
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Technical Specifications
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Parameter
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Value
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Product Model
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TEKTRONIX 5A48
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Manufacturer
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Tektronix (Test & Measurement Division)
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Product Type
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High-Speed Differential Amplifier Plug-In
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Compatible Oscilloscopes
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Tektronix 5000 series (547, 556, 585, etc.)
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Bandwidth
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DC to 100 MHz (±3 dB)
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Differential Gain
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1x, 2x, 5x, 10x, 20x, 50x, 100x (selectable)
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Common-Mode Rejection Ratio (CMRR)
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≥60 dB (at DC to 1 MHz)
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Input Voltage Range
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±10 V (max differential input)
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Rise Time
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≤3.5 ns (10% to 90%)
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Input Impedance
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1 MΩ
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Output Compatibility
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Matches oscilloscope input (1 MΩ, BNC connector)
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Power Requirements
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Derived from host oscilloscope (no external power)
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Operating Temperature
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0°C to +50°C (+32°F to +122°F)
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Storage Temperature
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-20°C to +70°C (-4°F to +158°F)
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Dimensions (W×H×D)
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146 mm × 102 mm × 229 mm (5.75 in × 4.02 in × 9.02 in)
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Weight
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1.8 kg (4.0 lbs)
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Certifications
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IEC 61010-1 (safety), CE (EMC compliance)
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Key Features and Benefits
High Bandwidth and Fast Rise Time for Transient Signal Capture
The
TEKTRONIX 5A48 delivers a DC-to-100 MHz bandwidth and ≤3.5 ns rise time, enabling it to accurately amplify and preserve high-frequency transient signals—such as the fast switching edges of power MOSFETs in automotive inverters or the pulse trains of 5G communication modules. This performance ensures that engineers can capture critical signal details (e.g., overshoot, ringing) that lower-bandwidth amplifiers would distort, supporting precise characterization of high-speed electronic systems. The selectable gain ranges (1x to 100x) further enhance flexibility: low gains (1x-10x) are ideal for measuring large differential voltages (e.g., ±10 V power supply rails), while high gains (50x-100x) amplify small signals (e.g., 10 mV sensor outputs) to levels visible on oscilloscope displays.
Superior Common-Mode Noise Rejection for Clean Measurements
With a CMRR of ≥60 dB at DC to 1 MHz, the TEKTRONIX 5A48 effectively rejects common-mode noise—electrical interference that appears equally on both input terminals (e.g., ground loops, power line noise). This is critical for measurements in noisy industrial environments, such as testing motor drives on factory floors or analyzing sensor data in automotive engine bays, where common-mode noise can obscure the true differential signal. By isolating the desired signal from interference, the TEKTRONIX 5A48 eliminates measurement errors, ensuring reliable data for debugging or compliance testing (e.g., meeting EMI/EMC standards for electronic devices).
Rugged Design and Legacy Compatibility
Built to withstand the demands of daily test operations, the TEKTRONIX 5A48 features a robust metal chassis that protects internal components from mechanical impact and electromagnetic interference (EMI). Its operating temperature range (0°C to +50°C) supports use in both climate-controlled laboratories and moderately harsh industrial test areas, while the plug-in form factor simplifies installation into compatible Tektronix 5000 series oscilloscopes—no complex wiring or external adapters required. For users with legacy Tektronix setups, the TEKTRONIX 5A48 extends the functionality of older oscilloscopes, avoiding the cost of replacing entire test systems when high-speed differential measurement capabilities are needed.
Intuitive Operation and Versatile Application
The TEKTRONIX 5A48 is designed for user-friendly operation: gain settings are selected via front-panel switches with clear labeling, and a built-in test signal (1 kHz square wave) allows quick verification of amplifier performance before measurements. Its compatibility with a wide range of differential signal sources—from power electronics (e.g., inverters, rectifiers) to analog sensors (e.g., strain gauges, thermocouples) and digital interfaces (e.g., LVDS, CAN FD)—makes it a versatile tool across industries. For example, in aerospace, it can measure differential voltages in avionics systems; in telecommunications, it analyzes signal integrity in high-speed data links. Backed by a one-year warranty from Hainan Jinlin Mechanical & Electrical, the TEKTRONIX 5A48 ensures long-term reliability for critical test and measurement tasks.
Related Models
- TEKTRONIX 5A49 – Higher-bandwidth variant of the TEKTRONIX 5A48, with DC-to-200 MHz bandwidth for ultra-high-speed signals (e.g., 10 Gbps Ethernet).
- TEKTRONIX 5A48A – Upgraded version of the TEKTRONIX 5A48, featuring enhanced CMRR (≥70 dB at DC to 1 MHz) for more demanding noise environments.
- TEKTRONIX 5B42 – Time-base plug-in complementary to the TEKTRONIX 5A48, adding precise time-delay measurements for synchronized signal analysis.
- TEKTRONIX 5A22 – Lower-cost differential amplifier plug-in, with DC-to-20 MHz bandwidth for basic differential measurement needs (e.g., low-speed sensor testing).
- TEKTRONIX 5A48-P – Precision-calibrated variant of the TEKTRONIX 5A48, supplied with NIST-traceable calibration certificates for regulated industries (e.g., medical device testing).
- TEKTRONIX 5A48-L – Low-power version of the TEKTRONIX 5A48, optimized for battery-powered test setups (e.g., field service diagnostics).
- TEKTRONIX TLA7000 – Logic analyzer module paired with the TEKTRONIX 5A48, enabling combined analog signal amplification and digital timing analysis.
Company & Service Highlights
As a certified partner of industry leaders like Tektronix, GE, and ABB, we provide genuine TEKTRONIX 5A48 differential amplifier plug-ins and other critical test/measurement components. Our expertise spans aerospace, automotive, telecommunications, and electronics manufacturing—where accurate signal conditioning is vital to product development, quality control, and compliance.
We prioritize pre-sales support: our Tektronix-trained technical team assists with compatibility checks (e.g., verifying integration with your 5000 series oscilloscope), gain selection for specific applications (e.g., 100x gain for small sensor signals), and setup guidance (e.g., minimizing common-mode noise). Post-sales, we offer calibration services (to maintain measurement accuracy), troubleshooting support, and a one-year warranty on the TEKTRONIX 5A48—ensuring your test setup delivers reliable results.
If you cannot find the TEKTRONIX 5A48 or other Tektronix test/measurement products you need, contact us immediately for personalized solutions.
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