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Improve roll-off of Sallen-Key filter
Improve roll-off of Sallen-Key filter
07.20.2017 · Circuits
The well-documented Sallen-Key active filter is a staple of analog design. This Design Idea shows a way to obtain better roll-off by adding just a few common passive components...
Micro-Power Voltage Detector from Diodes Incorporated Monitors Power Supplies in Computers and Digital Systems
Micro-Power Voltage Detector from Diodes Incorporated Monitors Power Supplies in Computers and Digital Systems
07.20.2017 · News
Diodes Incorporated introduced the APX803L. This micro-power voltage detector is designed to support the supervisory circuits of microprocessors and microcontrollers by enabling accurate monitoring of voltage levels and will generate a reset signal whenever a supply rail falls below a defined threshold...
Low-component-count zero-crossing detector is low power
Low-component-count zero-crossing detector is low power
07.20.2017 · Circuits
here are many circuits published showing zero-crossing detectors for use with 50- and 60-Hz power lines. Though the circuit variations are plentiful, many have shortcomings. This Design Idea shows a circuit that uses only a few commonly available parts and provides good performance with low power consumption...
Industry's Lowest Power Zero-Drift Op Amp Consumes only 1.3μA
Industry's Lowest Power Zero-Drift Op Amp Consumes only 1.3μA
07.20.2017 · News
Analog Devices announces the LTC2063 zero-drift op amp which draws just 1.3 μA typ (2 μA max) on a 1.8 V supply. This micropower amplifier maintains uncompromised precision: maximum input offset voltage is 5 μV at 25 °C, maximum drift is 0.06 μV/°C from –40 °C to 125 °C...
Filter quashes 60-Hz interference
Filter quashes 60-Hz interference
07.19.2017 · Circuits
The circuit filters 60-Hz interference from low-frequency, low-level signals. The filter exhibits 40-dB rejection (Q = 0.75) and draws 95 μA max from a single-sided 5 V supply...
Diodes Incorporated Increases Performance of Schottky Diodes by as Much as 20%
Diodes Incorporated Increases Performance of Schottky Diodes by as Much as 20%
07.19.2017 · News
Diodes Incorporated introduced the SDT series of Schottky diodes. Using an advanced deep-trench process, these devices deliver superior performance at similar or lower cost to planar-type Schottky diodes...
Microcontroller Battery Monitor Circuit Needs Only One Pin
Microcontroller Battery Monitor Circuit Needs Only One Pin
07.18.2017 · Circuits · Microcontrollers
A microcontroller's internal ADC was inadequate to measure its own supply rail, so a circuit using standard discrete components was devised to do this with just one pin of the IC. This circuit solved a problem encountered in developing a portable device with an ARM Cortex-M0 processor. The power supply consisted of two AA batteries...
Fast 150V High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability
Fast 150V High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability
07.18.2017 · News
Analog Devices announces the LTC7001, a high speed, high side N-channel MOSFET driver that operates up to a 150 V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, enabling it to remain on indefinitely. The LTC7001’s powerful 1 Ω gate driver can easily drive large gate capacitance MOSFETs with very short transition times and 35 ns propagation delays...
150V Fast High Side Protected N-Channel MOSFET Driver Provides 100% Duty Cycle Capability
150V Fast High Side Protected N-Channel MOSFET Driver Provides 100% Duty Cycle Capability
07.17.2017 · News
Analog Devices announces the LTC7000/-1, a high speed, high side N-channel MOSFET driver that operates up to a 150 V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, allowing it to remain on indefinitely...
Hubsan FPV drone teardown
Hubsan FPV drone teardown
07.14.2017 · Articles
My lower-midrange Hubsan X4+ FPV drone got stuck in a tree in the middle of winter. We managed to knock it down a couple of months ago, while there was still lots of snow to cushion the fall. After weathering the elements for over a month, it appeared to be mostly fine, except...
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