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How to Use Remote Control
T h i s equipment
is characterized by an optional
control
function.
For
the V T - 1 7 7 , insert the connector plug a t the end
of the cord f r o m the R T - 6 2 (option)
on its rear
panel for
selection.
The
V T - 1 7 6 a l l o w s remote control
Remove the blank board f r o m the rear
V T - 1 7 6 .
Connect the accompanying receptacle to the
Connect. the connector connected to the receptacle to
the one on the printed circuit board of the V T - 1 7 6 .
F o r
details, refer to the instruction
or
R T - 6 2 .
Function
into the connector
remote control
of
range
by using the
panel
R T - 6 1 .
manual for R T - 6 1
6. A P P L I C A T I O N S
remote
The basic use of your voltmeter is to measure sinusoidal
wave voltages as an A C voltmeter. In addition,
provides a wide v a r i e t y of applications a s described
below.
Amplifier G a i n Measurement
R T - 6 1 .
Voltmeter is capable of measuring an a m p l i f i e r gain,
of
the
which is a signal magnification f r o m point A to B in
Figure 4 w i t h a signal generator connected to the a m p l i f i e r
input. If the measured signal levels at points A and B
are a and b d B , respectively, then the gain i s ( b - a ) d B .
S I G N A L .
G E N E R A T O R
Figure 4 - Amplifier Gain Measurement
A l s o the method is applicable for measuring an open
loop gain of each a m p l i f i e r circuit w i t h the negative-
feedback signal leaves applied. F u r t h e r , the method can
be used for m e a r ^ n g the frequency responses of given
- 1 0 -
it
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