The concept of vehicle-to-everything (V2X) communications has been around for 20 years. So far, V2X has achieved limited uptake for several reasons. That’s about the change with the widespread deployment of 5G technology. The 5G new radio (NR) standards contain several innovations that will change the game for V2X technology, saving lives, reducing fuel consumption,…
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Economical two-channel scopes reach 200 MHz bandwidths
Four new 2-channel models of the InfiniiVision 1000 X-Series oscilloscopes provide 50 MHz to 200 MHz bandwidth, providing professional-level measurements and capabilities at an affordable price, including a standard decode function for five serial data protocols and remote connection via local area networks (LANs) and USB. The new InfiniiVision 1000 X-Series oscilloscopes use the same […]
Design package enables pre-compliance testing on SMPS virtual prototypes
Keysight Technologies announced a new add-on to PathWave Advanced Design System (ADS) that enables designers to perform pre-compliance testing on virtual prototypes of switched-mode power supply (SMPS) designs. This new capability saves the time and cost of iterative build and test of physical prototypes. Demand for SMPS is driven by the need for greater efficiency, increased power […]
Digital modulation basics, part 2: QAM and EVM
In Digital modulation basics, part 1 we examined the concept of quadrature modulation and signal generation. We showed a common block diagram for generating a quadrature signal (Figure 1). There is a corresponding receiver block diagram to extract the Inphase (I) and Quadrature (Q) components of the signal (Figure 2). The signal is converted to…
Do you really need a VNA when a scalar network analyzer might do?
Network analyzers measure network parameters of electrical networks, such as two-port amplifiers and filters. The instruments characteristically operate at 5 Hz to 1.05 THz, mostly at the higher end, though some models are sensitive down to 1 Hz. These instruments are available in two varieties: scalar network analyzers, which measure only the amplitude of the […]
Digital modulation basics, part 1
Mobile devices have evolved from basic analog phones to digitally enabled smartphones that fit in the palm of your hand. Voice communications are still part of the mix, but voice calls are handled by converting the voice signal from analog to digital and transmitting it digitally. This means that mobile wireless systems are focused on…
DesignCon video: Oscilloscopes and DDR5
At DesignCon 2020, Keysight Technologies demonstrated hardware and software products for signal integrity design and test. Keysight manufactures many oscilloscopes. While most are real-time oscilloscopes, the company also manufactures equivalent-time sampling models used for measurement and analysis of serial data streams. Here, Director Strategic Planning – Internet Infrastructure Brig Asay explains the difference between the…
Massive MIMO performance testing: Emulate the channel
Today’s 5G system capacity requirements created the need for massive multiple-input multiple-output (MIMO) systems. Massive MIMO represents a major addition to 5G. Massive MIMO enables dynamic user-focused transmission and spatial multi-user MIMO (MU-MIMO), an essential functionality for providing high data rates over large areas. Figure 1 shows how cellular applications have changed. Sub-6 GHz massive…
Scope software allows timing phase noise, jitter performance assessments
A collaboration between Keysight Technologies and Silicon Labs streamlines the validation of timing solutions critical in the development of system-level designs for wireless communications, high-speed digital, medical imaging and automotive applications. Timing plays a key role in the smooth transfer of data in wireless and wireline networks and relies on highly accurate clocks. Easy access […]
Test setup handles next-generation DDR5 memory
The world’s first design and test workflow solution designed to reduce product development time for Double-Data Rate Dynamic Random-Access Memory (DDR5 DRAM) systems has been developed by Keysight Technologies. Running at twice the data rate of DDR4, DDR5 DRAM shrinks design margins and makes it difficult for a hardware designer to optimize the printed circuit […]
