Kenwood VT-181 Analog Multimeter
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Modell:
VT-181
Datum:
1988
Kategorie:
Gruppe:
Beschreibung:
AC Voltmeter
Information
General
A Signal voltage to be measured, which is input from the
INPUT connector, is passed through the First Attenuator
and is converted to a low impedance by the Impedance
Converter. The impedance-converted signal is normalized,
or further attenuated in proportion to 1mVrms fullscale
value through the Second and Third Attenuator. The
normalized signal is magnified 20-fold by the Main Amplifier
and is fed to the Output Amplifier and the Absolute-Mean
Value Detector.
The Output Amplifier magnifies the signal 50-fold and feeds
to the OUTPUT connector. The Absolute-Mean Value
Detector converts the signal from the Main Amplifier to DC
current in proportion to the absolute mean value. The
converted signal activates the Meter.
The Attenuator Control encodes the signal led from the
RANGE selector to generate an Attenuator Control signal.
This signal controls the First, Second and Third attenuator
to set the sensitivity corresponding to each range.
The Power supply feeds to the functional circuit ±5V DC
voltages stabilized by its IC regulator.
Dokumenttyp:
Serviceanleitung
Seiten:
22
Größe:
1.30 Mbytes (1361391 Bytes)
Sprache:
english
Revision:
Dokument-ID:
B51-1132-00
Datum:
1988 04 01
Qualität:
Elektronisches Dokument, kein Scan, sehr gut lesbar.
Upload Datum:
2018 05 20
MD5:
b013159dadc5e48cb14784a1eda34900
Downloads:
1215
Information
SPECIFICATIONS
... 3
SAFETY
... 4
CIRCUIT DESCRIPTION
... 5
BLOCK DIAGRAM
... 6
ADJUSTMENT
... 7
PARTS
LIST ... 9
PARTS LIST (ELECTRICAL)
... 10
SCHEMATIC DIAGRAM
... 15
P.C. BOARD
... 21