Parts for antenna - Canadian TV, Computing and Home Theatre Forums

 4Likes
  • 1 Post By jop
  • 2 Post By jop
  • 1 Post By Yurii Pylypenko
 
LinkBack Thread Tools Search this Thread Display Modes

post #1 of 7 (permalink) Old 2019-08-12, 10:29 PM Thread Starter
Rookie
 
Join Date: Aug 2013
Location: Etobecoke
Posts: 29
Parts for antenna

Hi to all ,would like to know anybody have .stl file for DIY antenna parts if i like to print from Plastic.?Thank you
janos is offline  
Sponsored Links
Advertisement
 
post #2 of 7 (permalink) Old 2019-10-10, 07:27 AM
jop
Rookie
 
Join Date: Jul 2019
Posts: 11
Parts-1a for antenna analyzing

Classic 8-bay Antenna UHF and VHF-High Band
Antenna UHF good directivity

Band receives: UHF and VHF-High
frequency: 470MHz to 698MHz
US Channels 14-51
UE Channels 21-48 (470 to 690 MHz)
Gain: min a 470MHz: 15.1dBi / max a 698MHz: 17.3 dBi
Gain maxim of frequency: 698MHz
SWR: < 1.9 UHF 470 to 698 MHz
Relation Front to back ratio: < = 21 dB
Impedance: 300/75 ohms
Usage of Matching Transformer 300 to 75 Ohm Balun
Usage of 50MHz-900MHz splitter/combiner
Beam width: 26 - 18 degrees
The diameter of mast: 30 mm.
Dimensions:
Width = 112.8 cm.
Height = 92 cm.
Depth = 13.64 cm.

Program used:
MMANA-GAL basic is freeware an antenna-analyzing tool based on the moment method
http://hamsoft.ca/pages/mmana-gal.php







Full document of Antenna analyse:
MQ_3968_v1_A
janos likes this.
jop is offline  
post #3 of 7 (permalink) Old 2019-10-10, 07:31 AM
jop
Rookie
 
Join Date: Jul 2019
Posts: 11
Parts-2b for antenna modelling

It elaborate the modelling of the antenna in BLENDER 3D

Program used:
https://www.blender.org/




Antenna model:
MQ_3968_v1_B
jop is offline  
 
post #4 of 7 (permalink) Old 2019-10-10, 07:36 AM
jop
Rookie
 
Join Date: Jul 2019
Posts: 11
Parts-3p for antenna modelling parts printable

Modelling of parts the antenna in BLENDER 3D
Dimensions in millimeter
Designs 3d parts of antenna
printable in classic filament extrude 3d printer
nozzle example 0.4mm (0.5-0.3)
I haven't done the testing PLA is the usual material recommendation for printable parts of antenna

Usage of screw diameter 3mm
Usage of screw diameter 4mm





Full document of Antenna printable:
MQ_3968_v1_P
sparkycivic and janos like this.
jop is offline  
post #5 of 7 (permalink) Old 2019-10-12, 10:39 AM Thread Starter
Rookie
 
Join Date: Aug 2013
Location: Etobecoke
Posts: 29
Thank you for your time and replay this is the parts what i was looking for.Someone from Open Scad forum helped me to do something similar,but this looks perfect.Thank you again.
For this project i try to use PETG.
janos is offline  
post #6 of 7 (permalink) Old 2019-10-29, 01:05 PM
 
Join Date: May 2017
Posts: 350
https://ypylypenko.livejournal.com/88345.html

HFSS file

Symmetrical lines have Zo=375 and modeled as plain lines. Line width adjusted to be exactly Zo=375 (in the same solver type). Plain whiskers width also adjusted to act as D=4 wire dipole.
janos likes this.
Yurii Pylypenko is offline  
post #7 of 7 (permalink) Old 2019-11-07, 11:26 AM
Yurii Pylypenko is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Canadian TV, Computing and Home Theatre Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools Search this Thread
Show Printable Version Show Printable Version
Email this Page Email this Page
Search this Thread:

Advanced Search
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome