Geräte Informationen:

Simpson 77-380 Level Meter
Hersteller:
Simpson
Modell: 77-380
Datum: 1961
Kategorie: Messgeräte
Gruppe: Level Meter
Beschreibung: Wavemeter
Informationen:
                                    Since its introduction a few years ago the model 77-380 has
proved to be on of the most outstandingly successful pieces
of measuring equipment ever produced. This fact has been
attested by thousands of satisfied users throughout Canada,
the U.S.A. and Europe.
In producing this revised version of the 77-380, it has been
the intention to improve on the efficiency of the well
proven original circuit, and to extend the range of
usefulness still further by providing a greater frequency
coverage. Stability has been considerably improved by the
use of a very fine variable air spaced band setting trimmer,
while by the use of a unique coil tapping arrangement,
spurious responses have been eliminated but with no
sacrifice in the selectivity for which the 77-380 is famous.
The sensitivity of the new unit when used as a modulation
indicator has been greatly improved allowing considerably
reduced coupling to the transmitter as a result. In
addition, modulation checks can now be carried out with the
unit in a resonant condition, that is, with appropriate coil
in circuit and tuned to the frequency in question. In this
condition even greater sensitivity is provided on modulation
checks.

Folgende Anleitungen sind für obiges Gerät verfügbar:

Simpson -- 77-380 -- Service- und Bedienungsanleitung
Dateiname: Simpson-6430-Manual-Page-1-Picture
Dokumenttyp: Service- und Bedienungsanleitung
Seitenanzahl: 29
Dateigröße: 3.85 Mbytes (4039766 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer:
Datum: 1961
Qualität: Gescanntes Dokument, teilweise schwer oder teilweise nicht zu lesen.
Upload Datum:
MD5: 9ff2091d7063c0f3053a444183bdf3f7
ed2kID: 31cb595e420555cc72f9fe6761f3a728
Downloads: 77 seit 22 November 2014
Informationen:
Foreword
........................................................................
2
General
.............................................................................
4
Wavemeter Applications—
Band
Spread...................................................... 6
None Band Spread........................................... 8
9
Field Strength
Indication............................................. 9
Standing Wave
Ratios.................................................... 1 1
Quality
Monitoring........................................................
12
Modulation Indication — General............................. 12
Over Modulation Indication........................... 14
Percentage Modulation Indication............... 14
Percentage Modulation Measurements—
Tuned
..................................................................
16
Untuned
............................................................. 16
Use of Calibrated
Antenna.........................................18
' Suggestions for the Care of the Wavemeter...........20
General Frequency Coverage Data............................22
Circuit
Diagram...............................................................23
Simpson-6430-Manual-Page-1-Picture
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Kommentare (1)

Thema: Simpson 77-380
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bami sagt...
très satisfais de votre site
merci beaucoup.
19 September 2015 11.03
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