Tag: Signal Generators

Generate and Analyze Custom Modulation Schemes

RF + Microwave

Generate and Analyze Custom Modulation Schemes

Eric Hsu 2020.08.31

Satellites enable high data rate communications for emerging applications like connected cars and 5G. Engineers employ complex modulation schemes to improve spectral efficiency and minimize nonlinear

7 min read

#Signal Generators #Signal Analyzers #Aerospace + Defense

Modulation Schemes for Satellite Communications

RF + Microwave

Modulation Schemes for Satellite Communications

Eric Hsu 2020.08.24

With strong demand for faster data throughput, satellite communications use high-order modulation schemes to improve their spectral efficiency. However, satellite channel impairments such as large pat

7 min read

#Signal Generators #Signal Analyzers #mmWave

Verify Wideband High-Power Amplifiers with Modulation Distortion Technique

RF + Microwave

Verify Wideband High-Power Amplifiers with Modulation Distortion Technique

Eric Hsu 2020.07.22

In wireless communications systems, RF power amplifiers (PA) play a critical role in the quality attained in the RF chain. Engineers maximize PA's linearity while maintaining high output levels. This

8 min read

#Signal Generators #Network Analyzers #5G #Wireless Device Test

Verify Wideband High-Power Amplifiers with Noise Power Ratio (NPR) Test

RF + Microwave

Verify Wideband High-Power Amplifiers with Noise Power Ratio (NPR) Test

Eric Hsu 2020.07.17

Wideband communications systems use wide channel bandwidths and complex modulation schemes to achieve faster data throughput. However, wider bandwidths gather more noise, and complex modulation scheme

10 min read

#Signal Generators #Signal Analyzers #Wireless Device Test

How to Optimize Local Oscillator Phase Noise for EVM Measurements

RF + Microwave

How to Optimize Local Oscillator Phase Noise for EVM Measurements

Eric Hsu 2020.05.08

The local oscillator (LO) is a major building block of every radio frequency (RF) front-end. LO is responsible, with the mixer, for the up and down-conversion of a specific channel. In a signal analyz

5 min read

#Signal Analyzers #Signal Generators #Wireless Device Test #5G

How to Optimize Mixer Input Level of Signal Analyzer for better Signal Analysis

RF + Microwave

How to Optimize Mixer Input Level of Signal Analyzer for better Signal Analysis

Eric Hsu 2020.04.23

Signal analyzers use a superheterodyne receiver to downconvert an input signal for analysis in frequency, time, and modulation domain. As receivers do, maximizing a signal-to-noise (SNR) ratio in the

6 min read

#Signal Analyzers #Signal Generators #Wireless Device Test #5G