How to Make an HDTV Antenna: 8 Steps (with Pictures)

How to Make an HDTV Antenna: 8 Steps (with Pictures)
How to Make an HDTV Antenna: 8 Steps (with Pictures)

Table of contents:

Anonim

One of the most effective ways to get an HDTV signal is to use an HDTV (High-Definition Television) antenna based on the DB4 model. In stores, the antenna of this model costs at least Rp. 550,000. However, you can build your own antenna at a lower cost. See the following guide for building an HDTV antenna.

Step

Make a HDTV Antenna Step 1
Make a HDTV Antenna Step 1

Step 1. Prepare the wooden planks

  • The size is 2.5x7.5 cm or 5x7.5 cm.
  • The length is 55 cm.
  • Place the board horizontally, draw a line from left to right at 5 cm, 18 cm, 30 cm and 45 cm. Use a marker or pencil.
  • Make 2 dots on each line evenly.
Make a HDTV Antenna Step 2
Make a HDTV Antenna Step 2

Step 2. Cut the copper wire into 8 pieces

Each piece should measure 35 cm long

Make a HDTV Antenna Step 3
Make a HDTV Antenna Step 3

Step 3. Bend each piece of wire

  • Each section must be bent so that each side measures 18 cm long.
  • The gap between each side should be 7.5 cm long.
  • When you're done, each wire should resemble a "V" shape.
Make a HDTV Antenna Step 4
Make a HDTV Antenna Step 4

Step 4. Attach the “V” shaped wire to the board

  • Attach the center (bent) of each wire to the dotted part of the board using screws and washers.
  • When you're done, each "V"-shaped wire will extend out of the board.
Make a HDTV Antenna Step 5
Make a HDTV Antenna Step 5

Step 5. Make a 2-wire braid on the board

  • Use the remaining piece of wire to make it.
  • The bent "V" shaped wire sections should cross each other.
  • The wires must not touch each other.
  • Make sure that at least one of the interwoven wires has insulation. Vinyl insulation can be used.
  • When finished, the wire will resemble 2 "X" shapes joining the first, second, third, and fourth wire sections, respectively. 2 horizontal lines must connect the “X” shape between the second and third sections of the “V” shaped wire
Make a HDTV Antenna Step 6
Make a HDTV Antenna Step 6

Step 6. Install the reflector (grill net) on the board

  • The two reflectors must be evenly attached to the back of the board.
  • Each reflector must measure 38x23 cm.
  • Use screws to complete this job.
  • The reflector must not touch the "V" shaped wire.
Make a HDTV Antenna Step 7
Make a HDTV Antenna Step 7

Step 7. Attach the balun to the center 2 of the wire

  • Balun is a transformer that can be purchased via the internet or electronics stores.
  • Follow the directions on the balun package.
Make a HDTV Antenna Step 8
Make a HDTV Antenna Step 8

Step 8. Attach the antenna to the HD television

  • Use a coax cable, which can be purchased online or at an electronics store.
  • Follow the instructions on the coax cable package.

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