user avatar
user avatar
user avatar
KD9PDP
  • Member for 1 year, 4 months
  • Last seen more than a month ago
32 votes

Why use kapton tape?

10 votes
Accepted

Exciting an RC Circuit at its TRUE Pole on the Sigma (Real) Axis in the Left-Half Plane

10 votes

Is it possible to generate light with an antenna?

7 votes

Required Emitter Resistance \$R_E\$ for the Maximum Emitter Current for a BJT

6 votes
Accepted

Instrumentation amp vs buffered difference amp

6 votes

How does the current flow from VCC?

6 votes
Accepted

How to upload code to an Arduino Nano once the custom PCB is designed and ordered

6 votes
Accepted

Is it OK to create a negative rail just by dividing voltage with resistors?

4 votes

op amp with capacitors

4 votes

How can a transistor amplify current in a circuit?

3 votes

IQ modulation and phasors: which first?

3 votes
Accepted

How to select a diode for a Baker clamp?

3 votes
Accepted

Current flow between metal and piece of pure silicon

3 votes

Inductor datasheet Frequency question

3 votes
Accepted

Crystal frequencies

2 votes

Where to find documentation for definitions for AVR programming in C

2 votes

Should I take Ohm's law for granted?

2 votes

Colpitts oscillator amplitude control

2 votes
Accepted

How is the measurement light frequency shifted with respect to the reference light frequency by some carrier frequency in practice?

2 votes

BJT in saturation mode equations

2 votes

USB3.x and AC-Coupling Caps on the RX lines

2 votes
Accepted

Understanding high-speed Improvements to discrete BJT multivibrator

2 votes
Accepted

How to interpret the hFE of a datasheet?

2 votes

Inverting Op Amp LM324

2 votes

Voltage Doubler stops 'Doubling'?

1 vote
Accepted

ESP chips vs AVR

1 vote

MOSFET Drive npn/pnp

1 vote

Arduino frequency meter

1 vote

Why did he multiplied with the emitter current?

1 vote

Is the impulse response of a real system is always a real function?