.
Improve Your
Linearity - The proper
IF coil
to tune is
L6 shown with the
red stick.
This will need
about a 3/4 turn clockwise. You should put a square of masking
tape over the
other two IFT Cans so you don't accidently adjust them.
The
choke connection that works can be seen off the right side of the
first choke that connects to the Q1 transistor collector.
Connected anywhere else flat lines. Only on a EWS. There is a
second method for hook-up seen in the
Some
Photos
The more energy transferred
through the electrode/antenna creates the most available linear octaves, five
to seven should be expected.
You might want to use
three spring clamps for an
extra linear octave near the electrode/antenna.
The extra alligator
clip wire will be wrapped around an L-bracket seen in
the large photo
below. This helps with tuning the
electrode/antenna characteristics with the pitch oscillator.
Someone could improve on the L
brace wire wrap area that understands the EWS oscillator better
than I do. The antenna becomes less sensitive without this tiny capacitive
ground path.
Note: With
the cover off, the sound and antenna modification can be converted back
to how it was perfectly in
30 seconds plus a slight retune
of
L6.
This Budget Agua Bella design is less
attractive than the transparent Orbeez design but more
practical to put together. The side clamps allow for quick removal
and static coupling to the center electrode. Pop the electrode/antenna off or back in place and still be in
perfect tune.
Perfect
Linearity can have Vibrato
at 55 hz using the setup above
The
outside foil is now placed on the inside of the pipe.
Note: The clear tube
material in the photo below allowed for an extra octave. Linear
octaves squeeze in on the high side of pitch.
It is possible so
when placing the EWS cover back on, it can be
compensated for by sliding the electrode/antenna down an inch.
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