HP 8340b User Manual

TROUBLESHOOTING
THE
8410
INTERFACE
40
GHz
CONTROL
SIGNALS
This
troubleshooting
procedure
provides information
on
exercising
the
four
HP
8340
data
control
lines
needed
by
an
S-parameter
test set
to extend
the
operating
frequency
range.
A
controller
is
used
to
exercise
each
of
the
four
data
control
lines.
If
any
of
the
data
control
lines
fail
to
perform as
Indicated
In
the
procedure,
troubleshoot
the
A57
marker/bandcross
or
the
A60
processor
assemblies.
The
test
equipment
needed
is
an oscilloscope
and
a
200
series
controller.
200-SERIES
CONTROLLER
CHAN
A
Figure
G-19a.
40GHz
Data
Control
Lines
Troubleshooting
Setup.
Commands
entered
on
the
controller
exercise
rear
panel data control lines.
Procedure
1.
Connect
the
equipment as shown
in
Figure
G-19a.
Turn
the
equipment
on.
2.
On the
synthesized
sweeper,
press
[INSTR
PRESET].
3.
Connect
the
oscilloscope probe to
pin
11
of
the
8410
INTERFACE
connector.
Observe
the
trace
on
the
oscilloscope
CRT.
This
trace
is
the
reference
line.
4.
On
the
controller,
enter
the
following
commands:
OUTPUT 719;
"IM,
2.
2.0E10, 4.0E10, 2.0E10,
4,
4.5E07,
0, 0.5,
0,1,
0"
OUTPUT
719;
"EM1,
40GHZ"
The
HP-IB
address
of
the
synthesized
sweeper
is
assumed
to be
19.
HP 8340B/41B
Change
7
Rear
Panel
Theory
of
Operation

HP 8340b Specifications

General

Brand	HP
Model	8340b
Category	Inverter
Language	English