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scld
  • Member for 8 years, 11 months
  • Last seen more than a week ago
  • Massachusetts
25 votes
Accepted

"two bypass/decoupling capacitors" rule?

17 votes
Accepted

Fundamentally knowing when to use capacitors / inductors

12 votes

How can PCB trace have 50 ohm impedance regardless of length and signal frequency?

10 votes
Accepted

What is this white stuff inside this circuit board?

7 votes

Why can't two series-connected diodes act as a BJT?

7 votes

Resettable mechanical switch?

6 votes
Accepted

A transmission line with continuously varying impedance, how would reflection occur in this case?

6 votes
Accepted

How to reliably and safely recreate a blue smoke monster for a workshop?

6 votes

I have a "typical" 5 ohm resistor. Is there any way I can know the max power it can handle without the smoke test?

6 votes
Accepted

Why does electricity have a phase?

5 votes

PCB colors - what's available, and why?

5 votes
Accepted

Benefits of top and bottom ground pour in multilayer boards with proper ground plane layers and stackup

4 votes

Why is the output from this regulator not a constant DC?

4 votes

What does battery charger's current rating mean?

3 votes

Adding voids underneath analog signal for improved impedance matching

3 votes
Accepted

What's the benefit of not soldering NC pins compared to soldering them to a disconnected pad?

3 votes
Accepted

What is a switching node island?

3 votes

Tapering of planar waveguides

3 votes
Accepted

How to clamp a signal?

3 votes

Is Ohm's Law violating itself?

3 votes
Accepted

Closed circuit Wifi over coax?

2 votes
Accepted

2.4G signals over single antenna

2 votes

Where is the memory inside this RFID tag

2 votes
Accepted

Automatic impedance matching in microwave waveguides

2 votes

AVR32 Drive Strength

2 votes

Pseudorandom bit generator: analogue circuit for microcontroller digital input

2 votes

Are op-amp circuits more noisy than amplifiers built from discrete components and why?

2 votes

New to microcontrollers...options for getting up and going cheaply

2 votes

terminated cable capacitance

2 votes
Accepted

What is a rotating "button" called?