Orban 674A - Page 9

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Inpot
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I
chassis
ground
pin
2
LO
pin
3
HI
CXitput
pin
I
chassis
ground
.
pin
2
circuit
ground
(unbalanced)
or
LO
(transformer-balanced)
pin
3
HI
(balanced
or
unbalanced)
Balanced
Output
Transformer
Installation:
If
transformers
were
not
installed
at
the
factory,
refer to
the
installation
instructions
furnished
with
the
transformer
retrofit
kit,
available
directly
from
Orban.
The
transformers
supplied
with
this
kit
have
been
designed
to
have a
negligible
effect
on
published
specifications.
Should
you
wish
to
use
some
other
transformers,
it
would be
wise
to
make
careful
performance
measurements
with
special
attention
to
LF distortion
and
HF
response
at
high
output
levels,
thus
determining
the
output
level
achievable
with
performance
acceptable
for
your
application.
A
transformer
meeting
Orban
standards
should
produce
approximately
+20dBm
(limited by
clipping
in
the
output
amplifier)
without
significantly
compromising
performance.
The
Electrical
Installation
section
describes
grounding
procedures
in
the
event
transformers
are
used.
5