Search RFC: |                                  
Please support my efforts by ADVERTISING!
Serving a Pleasant Blend of Yesterday,
Today, and Tomorrow™

Vintage Magazines

Electronics World
Popular Electronics
Radio & TV News
QST | Pop Science
Popular Mechanics
Radio-Craft
Radio-Electronics
Short Wave Craft
Electronics | OFA
Saturday Eve Post

Formulas | Data

Electronics | RF
Mathematics
Mechanics
Physics

Calvin & Phineas

kmblatt83@aol.com

Archive | Sitemap

Resources

Articles | Radar
Cogitations
Magazines | AI
RF Museum
Software | Videos
Radio Service
Tech Notes

Entertainment

Crosswords
Humor | Podcasts
Quotes | Quizzes
Tech Comics

Parts | Services

1000s of Listings

About RF Cafe
Software: RF Cascade Workbook | RF Symbols for Office | RF Symbols & Stencils for Visio | Espresso Workbook
Please Support My Advertisers!
Transcat | Axiom Test Equipment - RF Cafe
Aegis Power | Centric RF | RFCT
Empower RF | Reactel | SF Circuits
Alliance Test | Isotec
Innovative Power Products (IPP) RF Combiners / Dividers - RF Cafe

Windfreak Technologies Frequency Synthesizers - RF Cafe

LadyBug Technologies LB466A Power Monitor - RF Cafe		 Werbel Microwave power dividers, couplers - RF Cafe

Transcat | Axiom Rental Equipment - RF Cafe

Innovative Power Products (IPP) 90 deg Hybrid Couplers - RF Cafe

Please Support RF Cafe by purchasing my ridiculously low-priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel
dB Control dB-9006 Magnum Opus Synthesizer - RF Cafe

Wireless Communications Fundamentals
RF Cafe Quiz #6
minimum height spacer

RF Engineering Quizzes - RF CafeAll RF Cafe Quizzes make great fodder for employment interviews for technicians or engineers - particularly those who are fresh out of school or are relatively new to the work world. Come to think of it, they would make equally excellent study material for the same persons who are going to be interviewed for a job. Bonne chance, Viel Glück, がんばろう, buena suerte, удачи, in bocca al lupo, 행운을 빕니다, ádh mór, בהצלחה, lykke til, 祝你好運. Well, you know what I mean: Good luck!

Click here for the complete list of RF Cafe Quizzes.

Note: Some material based on books have quoted passages.

 

1. Which of the following WLAN standards is on a different frequency band than the others?

a) 802.11a

b) 802.11b

c) 802.11g

d) 802.11n

 

 

2. What does the term "ruggedness" refer to in wireless power amplifiers?

a) Ability to withstand thermal stress

b) Ability to withstand mechanical stress

c) Ability to withstand load mismatch

d) All the above

 

 

3. Which FCC regulation governs the unlicensed ISM band?

a) Part 15

b) Chapter 11

c) 815.00

d) Subsection 11

 

 

4. In which semiconductor technology are the majority of cellphone PAs manufactured?

a) Si/SiCMOS

b) GaN

c) GaAs/InGaP

d) SiGe

 

 

5. What is a major advantage of Low Temperature Co-fired Ceramic (LTCC) substrates?

a) Densely integrated passive components

b) Better thermal dissipation

c) Lower bill of materials

d) All the above

 

 

6. Which phone standard supports the highest data rate?

a) iDEN

b) GPRS

c) EDGE

d) GSM

 

 

7. Which component is typically not part of a front-end module (FEM)?

a) Power amplifier

b) Filter

c) Switch

d) Controller

 

 

8. Which two systems are most likely to experience concurrent operation problems?

a) WLAN + GSM

b) Bluetooth + WLAN

c) GSM + W-CDMA

d) Bluetooth + AMPS

 

 

9. An isolator is typically required at the output of the PA for which transmitter system

a) EDGE

b) Bluetooth

c) GSM

d) CDMA/W-CDMA

 

 

10. What is the commonly claimed nominal operational range for Bluetooth?

a) 10 m

b) 32.8 ft

c) 1.057x10-15 lt-yr

d) All the above

 

 

Need some help? Click here for the answers and explanations.

Quizzes from vintage electronics magazines such as Popular Electronics, Electronics-World, QST, Radio-Electronics, and Radio News were published over the years - some really simple and others not so simple. Robert P. Balin created most of the quizzes for Popular Electronics. This is a listing of all I have posted thus far.

RF Cafe Quizzes

Vintage Electronics Magazine Quizzes

Vintage Electronics Magazine Quizzes
Innovative Power Products (IPP) RF Resistors & Terminations - RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2026
Webmaster: Kirt Blattenberger
   BSEE - KB3UON - AMA92498
   USAF Radar Technician

About RF Cafe

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 World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:
AirplanesAndRockets.com

My Daughter's Website:
EquineKingdom