BWD MINI-LAB 603B Manual page 6

2
.
PERFORMANCE (continued)
2.15
Operational amplifier
Input
0.5M^ isolated by switch
Performance characteristics
see fig.
2a
and
b.
Large Signal
Frequency
Response
I
•iSM
1M
2M
5M IDM
20M SOM
FR£QUeNCY(Ht)
Open Loop
Frequency
Response
"1
s
— —
T*»2S
C
V
N
V,*
_|
1
"1
k
PHASi
Z
n
Ki
—
r
CAJN
\
\
.20
1 I I - I
I I t
to 100
U
tOk t00t>
1M 10M
IQOM
FREQUENCY
(Hii
Fig.
2a
Fig.
2b
Low Voltage Power Supplies
:
2.16
Voltage output: Two independent variable outputs
v/ith
a
common but
isolated zero line (200 volts
DC
isolation).
Range
+
1^
to
+15 volts and
-•
1^
to -15 volts or a single ±3 to 30 Volts.
Current output:
1
amp maximum each output
- overload protected.
Regulation:
for 10% line change, or
0 to
1
amp load change.
(Typically >0.5%).
Hum and noise: >5mVRMS
at full load.
NOTE:
Minimum voltage approximately
IV
to
2V.
High Voltage Power Supply
:
2.17
Specifications apply
at a
nominal input voltage of 235/117 volts
AC.
Voltage output
0
to 200 volts DC.
30m amp available at
175
volts DC.
20m amps at 200 volts
EX^.
Constant current overload
at
approximately
40m amp.
Output referred
to ground.
Regulation:
1%
for 10% line change from nominal input voltage, or
0
to 30m
amp load change measured at
150
volt output.
Hum and noise: >25mV RMS at full output.
AC Supply
;
2.18 Voltage and current 6.3 volts to 0 to 6.3 volts
1
amp each
side..
Completely isolated and each 6.3 volt leg is separately
fused.
f'ucilities
by Interconnection:
2.19 Power Waveform Output
(2.1
with 2.11)
Function generator linked
to
power amplifier
Frequency range: 0.001 Hz to >80kHz.
Output: 0-30 volt p-p with
1
amp capability. Output may
be
symmetrical or offset about ground
to
±15 volt p-p (minimum).
2.20 A.M. Modulation At Line Frequency. (2.9
with 2.18).
With
6.3
Volt AC supply linked
to A.M.
input via
a
39KSi
resistor, sine
output will be 90% approximately A.M. modulated. Carrier output
range 0.001 Hz to 2MHz.
603B
2-3