High-Power Balanced Tuner
A
balanced-tuner is very simple; three components! For a homebrew project it
is great
fun to "fancy it up" a bit. In my case, I added forward and reflected
power meters,
a relay to select two pairs of coil taps and a vacuum variable capacitor.
Chassis
assembly using .063 aluminum sheet, 1/4 x 1/4 square stock drilled & tapped.
The rails are offset by 1/8 for the lucite cover to be added.
Showing
chassis construction with 1/4 x 1/4 square stock and angle stock.
Test
fitting of the large variable capacitor.
Test fitting
of the turns counter dial for the vacuum variable.
Component
test fitting of all major components.
Note the timing belt drive for the vacuum variable.
The
relay is used to select two tap settings on the coil.
Chassis
complete ready for prep and paint.
Chassis
painted ready for assembly
Test
fit of plexiglass dust cover
Assembly
begins!
Front panel
complete
All components in place; note the Bird dual
matching section
The jack
is for external meters
Comploete
with Lexan cover in place
