Basic passive microwave components have a vital role in RF/microwave system design. Despite the apparent simplicity of their functions, their performance is based on electromagnetic theory and Maxwell’s equations for insight into their operating principles and performance. Design for the demands of microwave signals is a very different situation than working at lower frequencies. Although […]
What are MEMS microphone arrays?
Beamforming arrays let designers create directional microphones using MEMS devices. With the right signal processing algorithms, these can enhance the user experience delivered by many types of audio equipment. An array can be simple, comprising as few as two microphones, and can be arranged in various configurations depending on the expected location of the preferred […]
Analog Top Talks in June 2019 on EDABoard.com
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around analog ICs and analog design. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com. Pulse width stretching – I want to design a circuit for stretching the “0” output of my signal. […]
RF Switches, Part 2: Analog and MEMS switches
Part 1 of this FAQ looked at the venerable electromechanical RF switch – still widely used in some applications, where it is the only viable option – and use of PIN diodes as RF switches. This part looks at analog and MEMS-based switches. Q: What is an analog switch? A: It’s conceptually straightforward: in basic […]
Ultra-high frequency waveguide antennas handle frequencies to 220 GHz
Fairview Microwave Inc. has unveiled a new line of waveguide antennas designed to address wireless communication applications covering 40 GHz to 220 GHz bands including test and measurement, R&D, military/aerospace and experimental radar. Fairview’s new line of waveguide antennas is made up of 85 new models covering a broad spectrum of millimeter wave frequencies from 40 to 220 […]
Analog Top Talks in May 2019 on EDABoard.com
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around analog ICs and analog design. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com. Mains setpoint monitoring basic circuit – I need to monitor the mains with setpoint and I need an […]
Impedance/P\potentiostat Analog Front End handles biological, chemical sensing
Analog Devices, Inc. announced a new electrochemical and impedance measurement front end that enables the next generation of vital sign monitoring devices and intelligent electrochemical sensors. The AD5940 analog front end incorporates both potentiostat and electrochemical impedance spectroscopy (EIS) functionality on a single chip, allowing for sensor measurement in both time and frequency domains. The […]
Millimeter-wave waveguide antennas cover up to 220 GHz
Pasternack has released a new line of waveguide antennas designed to address R&D, military/aerospace, experimental radar, test & measurement and wireless communication applications from 40 GHz to 220 GHz. Pasternack’s new line of millimeter-wave waveguide antennas consist of 85 new models that cover broad frequency ranges of 40 to 220 GHz, feature waveguide sizes ranging from WR5 […]
Analog Top Talks in April 2019 on EDABoard.com
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around analog ICs and analog design. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com. Opamp circuit simulation – Is the following open loop transient simulation of an opamp correct? Current excitation for […]
Understanding the difference between an incremental encoder’s PPR, CPR, and LPR
by Jason Kelly, CUI Incremental rotary encoders produce two square wave outputs as they rotate, from which the angular displacement and rotational speed can be calculated. These quadrature outputs let the host system determine the direction of rotation. To calculate speed and angular displacement, the encoder’s resolution – equivalent to the angular displacement represented by […]
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