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anrieff's user avatar
anrieff
  • Member for 11 years, 3 months
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28 votes
5 answers
4k views

Are all linear regulators bad at filtering input ripple? (or really as bad as Dave suggests)?

26 votes
3 answers
4k views

Help identify the IC manufacturer: is it really possible that these ICs from the 60's just made a comeback (К155ИД1)?

12 votes
7 answers
16k views

ESP32: how to keep a pin high during deep sleep (RTC GPIO pull-ups are too weak)?

7 votes
2 answers
2k views

Slow PNP turn-off time, how to optimize it

6 votes
1 answer
493 views

Vin: 2-36, Vout: 4.2. Should I use step-up, followed by step-down, or SEPIC?

6 votes
2 answers
979 views

Can silicon temperature sensor (e.g. KTY84)'s polarity be inferred if it's inaccesible - polarity band cannot be visually checked?

5 votes
3 answers
464 views

Is the zeta DC-DC converter topology scalable to 50kW / hundreds of amps?

5 votes
1 answer
579 views

PIC16F1704 strange DAC output on DAC1OUT2 - it seems some other peripheral loads the pin down

5 votes
1 answer
1k views

Is it possible to use Microchip's ZCD (Zero cross detect) circuitry in an isolated SMPS?

4 votes
3 answers
3k views

Can a soapbox-sized device dissipate 10-15W of heat? If yes, how?

4 votes
2 answers
2k views

Headphone audio amplifier - biasing problem

4 votes
1 answer
605 views

How can moving my foot possibly affect electronics meters away?

4 votes
2 answers
1k views

How to measure DC motor (used as generator) efficiency using homebrew methods?

4 votes
3 answers
746 views

Why are "devices utilized exclusively in any transportation vehicle" exempted from FCC compliance testing?

4 votes
2 answers
1k views

Why are engine spark plugs w/o resistor so potent killers of electronics nearby them?

4 votes
1 answer
104 views

Are base resistors of any use for a high-side NPN switch?

4 votes
1 answer
516 views

Can a memory backup supercap hold on for more than 2 weeks?

3 votes
4 answers
616 views

Is a full π-type EMI filter needed in front of an isolated DC-DC converter with long input cables?

3 votes
2 answers
90 views

How to add "cold-reset" MOSFET to a I²C chip? Should it be a P-MOS or N-MOS?

3 votes
1 answer
2k views

Differences between the drive algorithms for BLDC, PMSM and IPMSM

3 votes
4 answers
548 views

dsPIC33 ADC: Why is the minimum TAD interval such an oddly-specific number (117.6ns) for 12-bit conversion?

3 votes
2 answers
516 views

To what extent are alternators "flexible" to variations in input speed and output voltage?

3 votes
3 answers
2k views

How to define 14-bit lookup table for PIC/XC8 (if it's possible to do without assembly)?

3 votes
1 answer
362 views

Watertight enclosures - what production steps are required to ensure no condensation on the insides?

2 votes
3 answers
842 views

Opamp + NPN and MOSFET in the feedback network, how to prevent oscillations

2 votes
1 answer
224 views

Ground plane: is there a tool to identify choke points of a fragmented copper polygon in Eagle?

2 votes
1 answer
125 views

Should I be conservative about setting the output voltage of the CV phase of Li-Ion charging

2 votes
1 answer
160 views

Taming "spiky" AC voltage source, need to reduce the max amplitude

2 votes
2 answers
661 views

How to interface a SPST switch with minimal current (1µA)?

2 votes
1 answer
653 views

Is a MOSFET's body diode different than an ordinary silicon diode at audio frequencies?