Operation Model 8904A
A
detailed example of using direct front panel controls
to
perform hopping
is
provided in the HP 8904A
Multifunction Synthesizer
Operation and Application
guide. This tutorial
also
has
programming
examples and
HP-IB code lists
to
allow you
to
perform hopping
by
remote control.
The use of the Digital Port
to
perform hopping
is
discussed later in Section
3
in
the
Digital Port
information.
Operating Considerations: Option
003
0
Only channel
A's
parameters can be hopped.
0
If your HP 8904A
is
equipped with four channels (Option
Ool),
channel
A
can be hopped while
it
is
being modulated
or
summed with other
signals
except
that
the amplitude setting cannot be
hopped when
AM
or
DSB
modulation
is
selected; and the phase setting cannot be hopped when
q5M
is
selected.
0
Hop
Mode can
not
be used
in
conjunction with any of the three Signal Sequence Modes provided
by Option
001.
Abbreviated Specifications: Option
003
Supplemental Characteristics
Switching Speed
Via
digital pork Typically
<
8ps,
<
20ps
for
full
filter
settling.
Via
HP-IB:
'ljpically
<8
ms.
Mazimum sun'tching rate (via digital control port):
Approximately 400
kHz.
Mazimum allowable address skew (via digital port):
25
ns for valid results.
3-14
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