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Maximizing power amplifier (PA) linearity, while maintaining efficiency, requires development of a digital predistortion (DPD) model. To provide optimal performance, the DPD technique needs wideband, calibrated vector signal generation and signal analysis.
Engineers use a vector signal generator and a vector network analyzer (VNA) with software-enabled wideband vector signal analysis capabilities to optimize PA efficiency and linearity on a single testbed. The VNA's multi-receiver architecture provides fully-calibrated signal generation at the PA input.
How to Maximize Power Amplifier Efficiency and Linearity
Send wideband IQ data (up to 4 GHz) to PathWave 89600 VSA software running on PNA/PNA-X/PNA-L network analyzers
Network Analyzer Series |
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How to Maximize Power Amplifier Efficiency and Linearity
Provides nonlinear DUT behavior (EVM, NPR, and ACPR) under modulated stimulus conditions.
Network Analyzer Series |
How to Maximize Power Amplifier Efficiency and Linearity
10 MHz to 67 GHz, 2 and 4 ports, one or two sources.
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Maximum Frequency | 67 GHz |
Number of Internal Sources |
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VNA Series | PNA-X |
VNA Type | Benchtop |
How to Maximize Power Amplifier Efficiency and Linearity
Perform 5G New Radio gNB/UE modulation analysis
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Hardware Connectivity |
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Signal Analysis Industries and Options |
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How to Maximize Power Amplifier Efficiency and Linearity
Perform basic signal analysis with hardware connectivity
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Signal Analysis Industries and Options |
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How to Maximize Power Amplifier Efficiency and Linearity
The M9484C VXG is the industry’s first vector signal generator capable of generating signals up to 54 GHz with 2.5 GHz of modulation bandwidth per channel. The VXG vector signal generator helps you deliver the next frontier of wireless technology such as 5G and satellite communications with a fully integrated, calibrated, and synchronized solution.
Frequency | 9 kHz to 54 GHz |
Output Power @1 GHz | +20 dBm |
Frequency Switching (Typical) | 3 ms (meas) |
Harmonics @1 GHz | -55 dBc |
Phase Noise @1 GHz (20 kHz offset) | -148 dBc/Hz (10 kHz offset) |
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Additional resources for power amplifier efficiency and linearity
Benchmarking a 5G device means subjecting it to a wide range of network signaling and radio channel conditions. Learn how to set up a test to emulate real-world network conditions and equipment to stress your 5G device and verify its performance.
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Testing an RF power amplifier using digital pre-distortion (DPD) requires a vector signal generator, signal analyzer, and automated DPD software. Learn how to compensate for the non-linear behavior of a power amplifier by generating a digitally pre-distorted input signal.
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Power amplifier (PA) efficiency requires algorithms such as digital pre-distortion (DPD) to enhance its linearity. Learn how to easily perform DPD measurements and troubleshoot your power amplifier in different scenarios.
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