Table of Contents
Advertisement
• T h i s switch is helpless in the frequency
measurement mode and event t o t a l count
urement
mode,
®
F U N C S w i t c h / M o d e display
The
F U N C s w i t c h is provided
desired operational mode f r o m the available
modes.
The mode display L E D s are provided to
the measurement mode selected by this s w i t c h .
The following operational
w i t h this s w i t c h ,
a .
F R E Q / A
(frequency)
The
F R E Q / A
mode is an operational mode in
which t h i s counter measures the frequencies of
input signals to channel A and outputs them
to the display section.
either kHz or MegaHerz ( M H z ) .
unit can be selected w i t h display unit select
switch @ and indicated by either display
indicator
L E D ®
or (D.
can be selected w i t h G A T E s w i t c h © .
The measurement frequency ranges in each
display range are as follows :
r a t i o
meas-
L E D s
to select the
indicate
modes can be selected
mode
They are displayed in
The display
unit
The display
resolution
kHz
range :
5Hz to
10MHz
Measurement s e n s i t i v i t y :
5Hz
to 5MHz : 20mV r m s
M H z range :
1MHz to
175MHz
Measurement s e n s i t i v i t y :
5 M H to
125MHz
125MHz to
150MHz to
The proper
range should be used according
input signal frequencies w i t h each range char-
acteristics f u l l y in
mind,
b.
P E R / A
(Period)
mode
The
P E R / A mode is an operational
which t h i s product measures the
of
input signals to channel A and then
outputs them to the display section.
are displayed in
the
unit select s w i t c h @ . T h a t display unit is
indicated by either display unit indicator
(3) or @ .
The display resolution
selected w i t h G A T E switch © .
: 50mV r m s
150MHz : 100mV r m s
175MHz : 150mV rms
to
mode
in
period
They
unit selected by display
L E D
can be
13
Advertisement
Table of Contents
