The frequency response of a Butterworth filter is not supposed to have any peaking. SPICE claims the contrary...
Dual amplifier active filters
Automotive low side output switch architecture suitable for 8 to 48 volt buses and beyond
A novel switch architecture caters to extended battery range coupled with robust protection and diagnostic strategies...
11 myths about power line communication
Power line communication (PLC) has been around for decades. It’s a foundational technology for smart grids and industrial networks. Yet, despite widespread deployments, it’s still widely misunderstood...
Cheap and cheerful LMC555 RC PWM pulse generator
This circuit enables you to generate remote control PWM test signals with a (very) generic (and cheap) chip...
Op-amp LC oscillator uses tank losses for amplitude stabilization
This proposed design eliminates traditional additional requirements for AGC, AC coupling, and post amplification circuitry...
A Bode diagram to display a control loop
This article explains why Bode plots are used to showcase the transfer function of a power supply loop...
Toshiba introduces quad-channel digital isolators for high-temperature industrial applications
Toshiba Electronics Europe has expanded its standard digital isolator line-up with the DCL54xx01A series, comprising ten quad-channel devices that support data rates of up to 150 Mbps...
Phantom-powered solid-state linear airflow sensor
Self-heated Darlingtion transistor pair linearly senses airflow using just two wires for both power in and signal out...
Hz to 4-20mA or 0-20mA current source is compatible with grounded loads
Minimal circuit converts input frequency to a precision current source that also accommodates grounded inputs...
Method provides fast, glitch-free isolation of I2C and SMBus signals
I2C is a popular serial protocol for power controllers, ADCs and DACs, EEPROMs, and other devices. In certain data-acquisition and power-control situations, you must isolate the master from one or more slave devices...