Table of Contents
Advertisement
Sect. II Page 6
Model 606A
CALIBRATION
FREQUENCY
SIGNAL GENERATOR
MODULATION
AMPLITUDE
VERNIER
MODULATION
SELECTOR
ATTENUATOR
ExT,
INT,
—e
MODEL
6064
HEWLETT
PACKARD
PALO ALTO
CAL FORNIA,
CAUTION
Remove headphones before
switching CALIBRATOR
. Switch XTAL CALIBRATOR
to 1 mc.
. Plug a set of high impedance headphones into
PHONES jack.
. Zero-beat nearest even megacycle division to
desired frequency.
. Set the
cursor
exactly
on
the megacycle
mark,
. Switch XTAL CALIBRATOR switch to 100 kc
(lower frequencies only).
. Turn VERNIER dial toward desired frequency
while counting 100 kc beats.
This procedure
Figure 2-4
HEADPHONES
will set the frequency within 100 kc.
If the
frequency is desired with greater accuracy
follow the remaining steps:
.
Determine
number
of scale
divisions
on
VERNIER
dial between zero-beat of the two
100 kc beats
on either
side of the desired
frequency.
. Set VERNIER
dial to proportional number
of divisions
from nearest 100 kc beat to the
desired frequency.
. Turn XTAL CALIBRATOR to OFF,
Iflefton
it will
modulate
output
signal.
Advertisement
Table of Contents
