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(6)
Press L P F ( l o w pass f i l t e r ) switch
eliminate noise signal components. If the internal
L P F circuit function is enabled, the input signal
to the C H A N N E L A juck is handled f i r s t
L P F circuit (about 100kHz) and then input to the
counter. Therefore, the counter processes input
signals w i t h o u t h i g h - f r e q u e n c y noises only. A s a
result, accurate l o w - f r e q u e n c y measurement is
assured.
(7)
If H O L D switch
©
measurement, the current measurement value on
the D i s p l a y is held as it is. If the s w i t c h is released,
a new measurement cycle w i l l be s t a r t e d . However,
the measurement value currently being displayed
w i l l remain unchanged until the new measurement
cycle is complete. T h a t is, the display value being
held by the H O L D switch is updated by the output
value f r o m the new measurement operation.
(8)
If R E S E T s w i t c h @
measurement, the measurement value on the
Display w i l l be reset to ' 0 ' . If pressed a g a i n , a
new measurement cycle w i l l be s t a r t e d . However,
the measurement value w i l l remain ' 0 ' until the
18
© ( J L )
by the
is pressed during frequency
is pressed during frequency
new cycle is complete.
to
5 - 1 - 2 .
Frequency Measurement w i t h C H A N N E L B
( 8 0 M H z to 1 . 3 G H z )
(1)
Input a target signal ( t o be measured) to
C H A N N E L B prescale input juck
Note : The m a x i m u m input voltage to this juck is
1 V r m s and its input impedance is 50 ohm. A T T x
10 s w i t c h ®
(2)
Select the C H B / O G H z mode w i t h F U N C switch
(3)
Select a desired display resolution value by using
G A T E s w i t c h
(4)
The frequency of the input signal current being
measured w i l l be output to Display
G A T E L E D (2) blinks during the frequency
measurement.
The measurement value indicated by the Display
w i l l be updated a t the moment when one
measurement cycle is complete (when the G A T E
L E D becomes i n a c t i v e ) .
Note : It may happen to occur t h a t measurement
is delayed or the display is unstable. In this case,
refer to section 5 - 4 ' Display D e s c r i p t i o n ' .
® .
cannot work together w i t h this juck.
@ .
© .
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