Equipment information:

Marconi 2019 Generator
Manufacturer:
Marconi
Model: 2019
Date: 1981
Category: Measurement instruments
Group: Generator
Description: AM/FM SYNTHESIZED SIGNAL GENERATOR
Information:
                                    1. The 2018 is a 0.08 MHz to 520 MHz synthesized signal
generator providing calibrated output levels from 13 dBm to
-127 dBm. 2019 is a 0.08 MHz to 1040 MHz synthesized signal
generator similar to 2018 except that a frequency doubler
circuit enables it to cover frequencies up to 1040 MHz with
the same output level range. The output frequency of both
2018 and 2019 is phase locked to a frequency standard and
can be set to a resolution of 10 Hz at frequencies up to 520
MHz and to a resolution of 20 Hz above 520 MHz (2019 only).
2. Both instruments can be frequency modulated or amplitude
modulated from external or internal modulation sources. The
internal modulation source provides five fixed modulation
frequencies; re-selection of components within the
instrument allows alternative frequencies to be set if required.
3. Calibrated output levels from -127 dBm to +13 dBm (0.2 yV
to 2 V e.m.f.) in the c.w. and f.m. modes and up to +7 dBm
(1 V e.m.f.) in the a.m. mode are provided. A choice of nine
output level calibration units can be obtained on the front
panel. The r.f. output level can be set to a resolution of
0.1 dB or better over the entire output voltage range and
features a total cumulative accuracy of ±1 dB up to 520 MHz
(±2 dB, 520 MHz - 1040 MHz). Protection against the
accidental application of up to 50 W of reverse power is
provided by a fast responding reed relay.
4. Front panel operation is carried out by direct entry of
required settings via the keyboard. Microprocessor control
ensures maximum flexibility and allows programming by the
General Purpose Interface Bus (GPIB). This facility is
offered as an optional accessory enabling the instrument to
be used both as a manually operated bench instrument or as
part of a fully automated test system. Facility is also made
for the use of an external standard reference when this is
preferred.
5. A second function mode of operation includes means of
setting the GPIB address, selection of alternative r.f.
level calibration units, access to various calibration
routines and a facility to aid diagnostic fault finding.

These manuals are available for the above equipment:

Marconi -- 2019 -- Service Manual
File name: Marconi-7764-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 261
Size: 12.21 Mbytes (12803288 Bytes)
Language: english
Revision: 2
Manual-ID/Number: H 52018-900S and/or 46881-420J
Date: September 1981
Quality: Scanned document, reading partly badly, partly not readable.
Upload date:
MD5: b5282509239527e1e6372d6b3a9765ba
ed2kID: ab45cfc868e26c22b9dba5feb6afa350
Downloads: 136 since 20 February 2016
Information:
PRELIMINARIES
Title page Contents
Notes and cautions CHAPTERS
1 General information (These chapters are contained
2 Installation         in a separate Operating Manual
3 Operation  Vol. 1.)
4 Technical description
5 Maintenance
6 Replaceable parts
7 Servicing diagrams
8 Modifications and supplements
Marconi-7764-Manual-Page-1-Picture
Start Free Download


Marconi -- 2019 -- User Manual
File name: Marconi-7769-Manual-Page-1-Picture
Manual Type: User Manual
Pages: 36
Size: 4.74 Mbytes (4970092 Bytes)
Language: english
Revision:
Manual-ID/Number: H 52018-900S and/or 46881-419G
Date: July 1982
Quality: Scanned document, all readable.
Upload date:
MD5: 588ceed746fbd9bbb60c4e77b134ed65
ed2kID: cfa1f9f85b5a0cd367564c8834c14124
Downloads: 154 since 20 February 2016
Information:
Marconi-7769-Manual-Page-1-Picture
Start Free Download


Marconi -- 2019 -- Service Manual
File name: Marconi-7771-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 181
Size: 21.42 Mbytes (22455375 Bytes)
Language: english
Revision: 4/85
Manual-ID/Number: H 5201S-900S and/or 46881-420J
Date: April 1985
Quality: Scanned document, all readable.
Upload date:
MD5: 2279b4da33b21062e61660c5bf74e5fc
ed2kID: 118d80b7a6d27118aa015738ccbfbf64
Downloads: 149 since 20 February 2016
Information:
PRELIMINARIES
Title page Contents
Notes and cautions
CHAPTERS
1 General information ^ These chapters are contained
2 Installation in a separate Operating Manual
3 Operation ) Vol. 1.
4 Technical description
5 Maintenance
6 Replaceable parts
7 Servicing diagrams
8 Modifications and supplements
Marconi-7771-Manual-Page-1-Picture
Start Free Download


Marconi -- 2019 -- Service Manual
File name: Marconi-7870-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 284
Size: 37.62 Mbytes (39445910 Bytes)
Language: english
Revision:
Manual-ID/Number: H 52018-900S and/or 46881-420J
Date: September 1981
Quality: Scanned document, reading partly badly, partly not readable.
Upload date:
MD5: 6efb46f58f863c288261ea2620d29c34
ed2kID: a8b2b3923ee38e054d24ade5e848f371
Downloads: 7 since 05 June 2016
Information:
Volume 2

PRELIMINARIES
Title page
Contents
Notes and cautions
CHAPTERS
1 General information
2 Installation
3 Operation
These chapters are contained
in a separate Operating Manual
Vol. 1.
4 Technical description
5 Maintenance
6 Replaceable parts
7 Servicing diagrams
8 Modifications and supplements
Marconi-7870-Manual-Page-1-Picture
Start Free Download


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