RF Cafe Software
About RF Cafe
1996 - 2022
BSEE - KB3UON
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
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February 1963 Popular ElectronicsTable of Contents
People old and young enjoy waxing nostalgic about and learning some of the history of early electronics. Popular Electronics was published from October 1954 through April 1985. All copyrights are hereby acknowledged. See all articles from Popular Electronics.
This Electronics Curves Quiz will probably prove to be a little more of a challenge than some of the ones previously appearing in Popular Electronics magazine. Being a rocket scientist won't help you much here, but being a seasoned electronics technician, hobbyist, or engineer will sure come in handy. Be careful to note the axis unit labels - I got tripped up by that from being lazy and missed one.
Electronic Curves QuizBy Robert P. Balin
The operation of electronic devices and circuits is often represented by characteristic curves. See if you can match the electronic devices and circuits at left (1 - 10) with their corresponding curves (A - J).
|Here are other Popular Electronics quizzes:|
- Lamp Brightness Quiz, January
Curves Quiz Answers
1 - I Triode vacuum-tube plate characteristic curves.
2 - F RL circuit current-growth curve.
3 - G Microphone unidirectional cardioid polar pattern.
4 - J Tunnel diode voltage-current characteristic curve.
5 - D RC circuit current-decay curve.
6 - A Transistor common-emitter characteristic curves.
7 - C Zener diode current-voltage characteristic curve.
8 - H Parallel LC circuit resonance curve.
9 - B Series LC circuit resonance curve.
10 - E Transformer core hysteresis loop.
Posted March 26, 2014