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Model 5304A
Operation
Figure 9D-3-2. Front-Panel Controls
and
Connectors
T.I. A TO B /
FREQ
A
PEP,
10 m« v
AVO/A
\
XlOO
PUT
AYTEN
LEVE
.1 ms
00^ DO
Kg]
5304A TII/ER/COUNTER
OPEN.XCLOSE
A
1.
COM-SEP-CHK. Three position switch
enables selection
of
input signal from
separate
or
common sources
or
enables
the
selection
of a
Self-Check position.
a. COM:
Connects INPUT
A and
INPUT
Bin
parallel.
b. SEP:
Channel
A and
Channel
B
inputs
are
from separate sources.
c. CHK:
Self-Check verifies that
5300A
10 MHz
crystal oscillator
and
counting logic
and the
5304A
gating logic
is
functioning
correctly.
2.
INPUT
A and B.
Input signal frequencies
to be
measured
are
connected
to
INPUT
A.
INPUT
B is
used
in
time interval
measurements.
3.
ATTEN. Three-position input signal
attenuator
for
both channels.
a. XI:
Connects input signals directly
to
input amplifiers.
b. X10:
Attenuates input signals
by
factor
of 10.
c.
XlOO: Attenuates input signals
by
factor
of 100.
9D-3-2