Controls And Their Functions - BWD MINI-LAB 603B Manual

3.
CONTROLS
AND
THEIR
FUNCTIONS;
The
front
panel
is
divided into three
major
sections:-
3.1
Signal Source, comprising of a function generator, pulse output,
amplitude modulator and a ramp
generator.
3.2
Amplifier section,
containing a switchdble Power
Amplifier/Bi Polar
Power
Supply, and a switchable Voltage/Operational Amplifier.
3.3
Power
Supply section,
containing three independently variable
power
supplies
and one
AC
source
at line
frequency.
6
7 19 21
20
31
30
28 29
13
10 8
9 12 14
11
17 15 18 16
22 23 26 24
25
Signal
Source Controls.
1 .
Frequency Range
Switch: Desired frequency range
can be obtained by
depressing the correct button.
When
the
xO.l
and
xl
buttons are depressed simultaneously the
resultant
frequency
is
xO.Ol and with
all
buttons
out
x200kHz.
2.
Frequency Dial:
Calibrated from
1
to
10 with
an
additional 0.1
marking and
is
used
in
conjunction with
the
Frequency Range
Switch
to set
the output
frequency
.