Datron 1061 Calibration And Servicing Handbook page 4

l"''
Section
ll
Title
3.2.3.6 lst
Null Detector'
3.2.3.7
2nd
Null Detector
3.2.3.8
Reset
Period.
Preamplifier
and Scaling
RMS Converter
High
FrequencY
ComPensation
.
.
Page
.25
.25
.25
.27
.27
.27
.28
.29
.29
.29
A27
A.27
A27
A28
A29
A29
A29
3.3
OPTION 10 AC
ASSEMBLY.
'
3.3.1
GeneralPrinciPles
3.3.2
3.3.3
3.3.4
3.3.5
FrequencyDetection
3.3.6
Test
.
.
43.3
OPTION 12
AC
ASSEMBLY.
.
A3.3.1
GeneralPrinciPles
A3.3.2
Preamplifier
and Scaling
43.3.3
RMS
Converter.
Test.....
3.4
OHMS
ASSEMBLY
3.4.1
Low
Drift
Voltage Follower
3.6
30
30
30
31
31
32
32
32
32
32
32
33
33
33
33
33
33
34
35
36
36
39
39
39
A3.3.4
A3.3.5
43.3.6
3.4.2
3.4.3
3.8.2
3.8.3
High Frequency
Compensation
.
.
Frequency
Detection
Constant
Current
Sou
rce,
Test .
.
I
3.5
CURRENT ASSEMBLY
3.5.1
Current
Measurements
. . . . . . .
.
3.5.2
Test .
.
BEAR
INPUT/RATIO INPUT.
3.6.1
General
3.6.2
Front
PaneURear Panel
lnput
.
3.6.3
Ratio
.
3.6.4
Test
3.7
ANALOG OUTPUT
3.7.1
General
3.7.2
Description...
3.8
DIGITAL
ASSEMBLY
3.8.1
Processorand
Memory .
.
. .
.
3.8.1.1
Software
Overview.
.
3.8.1.2
The Two.Phase
Clock.
3.8.1.3
RAM/ROM
Gircuit
CMOS Address
Decode
and lnput/Output Circuits.
Analog
to
Digital
Conversion
(Digital
Section) . .
.
3.8.3.1
General
Principte.
3.8.3.2
PresetProcedure
3.8.3.3
A-DMeasurementSequence.
. . . . . .
.
3.8.3.4
Master Clock and
Line
Locking
..41
..41