Geräte Informationen:

Marconi 2018A Generator
Hersteller:
Marconi
Modell: 2018A
Datum: 1985
Kategorie: Messgeräte
Gruppe: Generator
Beschreibung: 80 kHz to 520 MHz Signal Generator
Informationen:
                                    Signal Generators 2018A and 2019A are synthesized generators similar except for their frequency range— 80 kHz to 520 MHz and 80 kHz to 1040 MHz respectively. Microprocessor control provides simple and rapid operation by direct keyboard entry of settings and the non-volatile memory, which can store up to one hundred settings, further reduces measurement time. Optional GPIB programmability extends the range of applications to include use in automatic test systems.
The excellent overall performance and wide range of facilities provided ensure that the generators have many uses in development, production and maintenance areas and for military applications. These features are further enhanced in four variant models.
Frequency selection
Selection of carrier frequency is accomplished by direct entry via the keyboard or over the General Purpose Interface Bus (GPIB), with indication by an 8 digit liquid crystal display and units annunciators. Frequency resolution is 10 Hz up to 520 MHz, and 20 Hz above 520 MHz. Carrier frequencies can be stored in the non-volatile memory with immediate recall when required. A CARRIER ON-OFF switch is provided to completely disable the output. Provision is made for operation with an external reference frequency of 1 MHz or 10 MHz as required.
Selection of frequencies above the upper limit of each generator is inhibited, but carrier frequencies below 80 kHz can be set with a warning appearing on the display. The generators are usable down to 30 kHz with minimal degradation of performance. One of the variant options provides a lower carrier frequency limit of 10 kHz for tests on l.f. communications equipment.
An incrementing facility permits stepping of carrier frequency in precisely defined increments of any size with an indication of total shift by use of the TOTAL SHIFT key and with provision for instant return to the starting frequency.
Output
RF output levels up to 2 V e.m.f. ( + 13 dBm) can be set by direct keyboard entry or via the GPIB, with resolution of at least 0.1 dB over the entire range and a total accuracy of ± 1 dB from 80 kHz to 520 MHz and ±2 dB above 520 MHz. Levels are indicated on a four-digit liquid crystal display with units annunciators. Output levels can be incremented in steps of any size and up to twenty level settings can be stored in the memory.
A choice of nine calibration units is available to the operator and provision is made for the simple conversion of units (e.g. dBm to μ\/). Calibration data for the output level is held in the memory and may be altered from the front panel using a protected key sequence or over the interface bus.
The output level can be offset by up to ±2 dB from the calibrated value to compensate for cable or switching losses external to the generator. The operator may also use this facility as a means of deliberately offsetting the output level to ensure that all generators in an area give identical measurements. While using the offsetting facility the main calibration of the generator is not lost and may be returned to at any time.
Modulation
Comprehensive a.m., f.m. and 

Folgende Anleitungen sind für obiges Gerät verfügbar:

Marconi -- 2018A -- Bedienungsanleitung
Dateiname: Marconi-7772-Manual-Page-1-Picture
Dokumenttyp: Bedienungsanleitung
Seitenanzahl: 58
Dateigröße: 2.24 Mbytes (2343656 Bytes)
Sprache: Englisch
Revision: 1
Dokument-ID/Nummer: Η 52 018-910P
Datum: Februar 1985
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: 64c24fc362eb445a963b26371b25b864
ed2kID: cb760726bc5056ac6c22b9cb7efd84f7
Downloads: 122 seit 20 Februar 2016
Informationen:
PRELIMINARIES
Ύ it1 e pci g e Contents
Notes and cautIons
CHAPTERS
1 General information
2 Installation
3 Operation.


4 Technical description
5 Maintenance
6 Replaceable parts
7 Servicing diagrams
8 Modifications and supplements

These chapters are contained in a separate volume available
as an optional extra.
Marconi-7772-Manual-Page-1-Picture
Kostenlos herunterladen


Marconi -- 2018A -- Serviceanleitung
Dateiname: Marconi-7773-Manual-Page-1-Picture
Dokumenttyp: Serviceanleitung
Seitenanzahl: 240
Dateigröße: 13.25 Mbytes (13890454 Bytes)
Sprache: Englisch
Revision: 2
Dokument-ID/Nummer: Η 52018-910P and/or 46881-512Z
Datum: März 1988
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: 0c715e7b320cd2f325759b3075bae8f2
ed2kID: 48550b02888a86ab485c1f8bf9ccccc7
Downloads: 151 seit 20 Februar 2016
Informationen:
PRELIMINARIES
Title page Contents
Notes and. Cautions
CHAPTERS
1
General information Ί
These
2
Installation 
in a
3
Operation j
Vol.
4
Technical description
5
Maintenance
6
Replaceable parts
7
Servicing diagrams
8
Modifications and supplements
Marconi-7773-Manual-Page-1-Picture
Kostenlos herunterladen


Marconi -- 2018A -- Datenblatt
Dateiname: Marconi-7809-Manual-Page-1-Picture
Dokumenttyp: Datenblatt
Seitenanzahl: 8
Dateigröße: 2.37 Mbytes (2480743 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer:
Datum:
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: a9e089c0fb7803e086e686d59410f6d2
ed2kID: a761c4b0c940333fd8659c5b360260cb
Downloads: 8 seit 29 Mai 2016
Informationen:
Marconi-7809-Manual-Page-1-Picture
Kostenlos herunterladen


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