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 […]
High-reliability, ultra-precision metal film chip resistors feature high stability
KOA Speer Electronics has developed the new high-reliability RN73R series metal film chip resistors to meet the demanding requirements of high heat and high moisture applications. These new resistors provide improved electrolytic corrosion resistance and high stability compared to KOA’s existing RN73 thin film resistors. The RN73R offers excellent heat tolerance with an operational temperature […]
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 […]
Input-protected, low-noise amplifiers handle 1-W CW inputs
Pasternack has released a new line of input-protected low-noise amplifiers (LNA’s) with no damage up to +30 dBm CW input power that are ideal for radar systems, EW applications, military/microwave radios, wireless and satellite communications and test instrumentation. Pasternack’s new line of input-protected low-noise amplifiers consists of 12 different models that cover a broad range of frequency […]
A quasi-Wheatstone bridge linear output circuit with one op amp
by Crutschow, Electro-Tech-Online community member A Wheatstone bridge is sometimes used to convert a variable resistance, such as a thermistor or strain-gage, to a voltage with zero volts out at some particular resistance (such as at 0°C for the thermistor). A bridge circuit has the advantage of being able to generate a 0V null output […]
MEMS inertial accelerometer now offered in ±10 g and ±50 g ranges
Silicon Designs, Inc. announced that additional new g-ranges and end-user enhancements have been added to its Model 2227 MEMS inertial accelerometer series. Initially launched in October 2018 as a strictly ±25-g product, the Series is now offered in both ±10 g and ±50 g ranges, respectively. Stock quantities of all three models are immediately available […]
Programmable attenuators offer precision stepped attenuation
Fairview Microwave Inc. has introduced a new line of relay controlled programmable attenuators that offer accurate and stable performance with very low harmonic distortion (IMD) and cover multiple RF frequency bands down to DC. They are popular for use in military and commercial satellite and ground communication systems, cable modem and cellular telephone testing, radar, […]
Choosing the right MEMS microphone interface for your project
by Bruce Rose, CUI Inc. Micro-electro-mechanical systems (MEMS) microphones have been steadily increasing their market share, driven by the surge in popularity of voice-controlled electronics with applications like voice-enabled navigation devices and digital home assistants. But what are the different types of MEMS microphone electrical interfaces available and how do you apply them to your […]
Lowest-profile 3216-footprint tantalum capacitor is just 0.5-mm high
AVX Corporation has extended its TACmicrochip Series with the lowest-profile 3216-footprint tantalum capacitor currently available on the market. Measuring just 0.5mm high, the first new “I” case capacitor (EIA Metric 3216-05) is rated for 10μF and 6.3V, but will be followed by future code releases to further extend the offering. The full line of TACmicrochip […]
Analog Top Talks in March 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. Contactless water level sensors – I’m making a water level controller project. So far what I’ve done: – […]
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