[DARARepeater] Thursday Night Group

[George]

NOTICE DARA General Membership Meeting NOV 1st 

Antenna Analyzer - lessons learned + NanoVNA

Upcoming Hamfest

Projects

** License Exam Questions of the week

 

The Thursday Night Group will meet

Thursday, October 31 at 7:00 pm at the DARA Clubhouse.

------------------------------------------------------

Things this week:  

1. NOTICE DARA General Membership Meeting NOV 1st 

It was decided at the DARA board meeting the DARA General Membership Meeting
NOV 1st will start at 7PM not our usual time 7:30.  Doors will open at 6:30
pm

PLEASE adjust your arrival time accordingly

2. Antenna Analyzer - lessons learned + NanoVNA

Phil, AC8UW, will be talking about the lessons he learned in doing the
Antenna Analyzer project.  This project has been replaced with the NanoVNA
project.  Phil has one of these units and will show a video and do some
demos. 

Those that gave George, WD8NHI, project funds he will be doing refunds.

3. Upcoming Hamfest 

11/02/2019 | GARC Hamfest

Location: Georgetown, OH

Sponsor: Grant Amateur Radio Club

Website:
https://www.facebook.com/Grant-Amateur-Radio-Club-1775764122477536/?modal=ad
min_todo_tour

 

11/03/2019 | Massillon ARC Hamfest
Location: Massillon, OH
Sponsor: Massillon Amateur Radio Club
Website: http://www.w8np.org <http://www.w8np.org/> 

 

11/16-17/2019  Fort Wayne Hamfest

http://www.acarts.com/hfmain.htm

 

12/07/2019 | Fulton County ARC Winterfest
Location: Delta, OH
Sponsor: Fulton County Amateur Radio Club
Website:  <http://k8bxq.org/hamfest> http://k8bxq.org/hamfest

4. Projects

Bring something to work on.   What are you building?

5. License Exam Questions of the week

One question is drawn from each of the three question pools. Steve, AE8AT,
is providing these questions.  Thanks Steve

 

Answers are at the end of this email.

 

Oscillation is the topic of the quiz this week.  From the name and
components of a circuit, to prevention of unwanted oscillation (ringing) in
audio circuits.

 

T7A05 What is the name of a circuit that generates a signal at a specific
frequency?

A. Reactance modulator

B. Product detector

C. Low-pass filter

D. Oscillator

 

G7B07 Which of the following are basic components of a sine wave oscillator?

A. An amplifier and a divider

B. A frequency multiplier and a mixer

C. A circulator and a filter operating in a feed-forward loop

D. A filter and an amplifier operating in a feedback loop

 

E7G05 How can unwanted ringing and audio instability be prevented in a
multi-section op-amp RC audio filter circuit?

A. Restrict both gain and Q

B. Restrict gain but increase Q

C. Restrict Q but increase gain

D. Increase both gain and Q

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

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

Or

Go to ( <https://sites.google.com/site/darathursdaynite/>
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 evening's.

Everyone is invited!!! 

 

  

 Answers: 

T7A05 = D.

G7B07 = D.

E7G05 = A.    

 

Quiz 64

 

 



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