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SECTION
II
SPECIFICATIONS
(Revised
12-66)
GENERAL
The
WAVETEK
Models
150-155 are broad band
function
generators capable
of
producing
sine,
triangle
and square
'waves
in
a
frequency band
of
0=
01
Hz
to
1
MHz.
Frequency,
amplitude, and function are
programmable from
a
remote
(R)
source by
contact closures.
The Model
155
has
front panel
con-
trols
in
addition
to
the
remote
capability.
The
following specifications
apply
when
this
equipment
works
into a 50n.
coaxial cable
terminated
in
a
50n.
load,
the
instrument has been turned on
for
at
least
one hour
in
an environmental
temperature
of
25°C
± 5°C;
and, relative
humidity
of
less
than 70 per
cent.
Terms
marked
with an asterisk are defined
at the
end
of this
specification
under
"Definitions.
"
STARTING CHARACTERISTIC
The
generator
may
take
up
to
a
minute
to
start
its
normal
operation
after
the
power
is
turned
on.
OUTPUTS
There
are three
fixed
amplitude
outputs
and
a
programmable
amplitude
out-
put; all
are
BNC
connectors and produce
their
respective signals
at the
pro-
grammed
frequency.
All
have an
output
impedance
of 50n.
^5%.
Each
out-
put
is
calibrated
into
precisely 50n.
Amplitude
specifications
apply only
when
outputs
are terminated
in
precisely
50n..
The
location
of
these con-
nectors
is
on
the
rear panel
of
the
Model
150
and
duplicate
connectors on
the front
and rear panel
of
the
Model
155.
Connection
may
be
made
to the
front
or rear
connector
of a
given
function, but
not both
.
FREQUENCY
The
frequency
of the
signal
at
all
outputs
is
identical.
It
is
equal
to
the
pro-
grammed
frequency
±1%
plus one
digit
on
all
ranges
with
the
following ex-
ceptions
:
X.Ol
range:
±2%
plus one
digit
XIOOK
range:
±5%
plus
one
digit
FIXED
AMPLITUDE
SINE
The
following
are
specifications applicable
to
the fixed
amplitude
sine
output
2-1
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