TNG – Yak n Rack & TV Antennas?

Projects

** License Exam Questions – 223

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The Thursday Night Group will meet IN PERSON

Thursday, Jan 27, 2023

Speakers and any announcements will start about 7:30.

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Things this week: 

TNG – Yak n Rack & TV Antennas?

For of those who have not been to TNG in a while or ever we welcome you to stop by and see what’s going on.  This week, as always there will be a lot of YAKING,  what?? At any given Thursday there will be at least 5 different conversations going on.  Each with different topics.  A lot of weeks even when we have a speaker/topic there are 3 or more side chat going on.  We call it geeks night out. So stop by and see what you can learn or contribute. Yak, yak, yak.

Tom N8ZM, will continue working on the equipment Racks and figuring out what equipment to put where.  Please lens a hand.

George and Tom will also be talk about TV Antennas and testing different designs in the near future.  Who knows we might even design and build one soon.

Even though masks are not required feel free to wear a mask if you feel more comfortable.  There will be some wearing mask so you will not be the only one.

PLEASE if you are having any of the COVID or FLU symptoms DO NOT come to the clubhouse.

Projects

Keep working on your projects at home OR bring them with you to TNG and do them there.   

** License Exam Questions – 223

There is a theme this week, but it is the Technician answer, so no reading ahead!

T7A03 Which of the following is used to convert a signal from one frequency to another?

A. Phase splitter

B. Mixer

C. Inverter

D. Amplifier

G8B11 What combination of a mixer’s Local Oscillator (LO) and RF input frequencies is found in the output?

A. The ratio

B. The average

C. The sum and difference

D. The arithmetic product

E4C15 What is reciprocal mixing?

A. Two out-of-band signals mixing to generate an in-band spurious signal

B. In-phase signals cancelling in a mixer resulting in loss of receiver sensitivity

C. Two digital signals combining from alternate time slots

D. Local oscillator phase noise mixing with adjacent strong signals to create interference to desired signals

For more information about B-Road Thursday Evening Group Projects…

Go to W8BI homepage (http://www.w8bi.org) under Education, Thursday Group.

Or

Go to (https://sites.google.com/site/darathursdaynite)

There is a lot of information on this web site with additional content.

Hope to see you on Thursday evenings.

Everyone is invited!!!

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Answers:

T7A03 = B.

G8B11 = C.

E4C15 = D.

Quiz 223