Equipment information:

Electronic Navigation Industries 240L Amplifier
Manufacturer:
Electronic Navigation Industries
Model: 240L
Date: 1992
Category: Radio, Communication
Group: Amplifier
Description: BROADBAND POWER AMPLIFIER
Information:
                                    The Model 240L is a broadband solid state power amplifier
covering the frequency range of 20 kHz to MHz.
More than 40W of RF power can be produced at the output,
with low harmonic and intermodulation distortion. Up to 2Ö0W
of saturated power can be produced with increased distortion
products. A highly linear Class A design, the Model 240L
will amplify inputs of AM, FM, SSB, pulse and other complex
modulations. The 50 dB gain of the unit is unconditionally
stable and will not oscillate for any possible combination
of source and load impedance. It is protected against
failure due to output load mismatch and/or overdrive.
Output RF voltage level, as well as power output into 50 Ω,
is monitored by a front panel meter. An integral power
supply permits operation from 115/230 single phase AC power.

These manuals are available for the above equipment:

Electronic Navigation Industries -- 240L -- Service and User Manual
File name: ENI-7564-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 47
Size: 1.33 Mbytes (1396577 Bytes)
Language: english
Revision: A
Manual-ID/Number:
Date: 1992
Quality: Scanned document, all readable.
Upload date:
MD5: 6262c427110ea51f9b8bb1ab0a01c572
ed2kID: 9322d01686ba141d3d7893671b610e78
Downloads: 25 since 25 January 2016
Information:
Chapter 1
Introduction
3
1.1
Introduction
3
1.2
Specifications
3
Chapter 2
Operation
5
2.1
Introduction
5
2.2
Rack Installation
5
2.2.1
Mains Voltage Setting
5
2.2.2
Mains Fuse Rating
6
2.2.3
Mains Lead Connection
6
2.3
Operation
6
Chapter 3
Technical Description
7
3,1
General Description
7
Chapter 4
Maintenance
9
4.1
Introduction
9
4.2
Access and Layout
9
4.3
Performance Checks
10
4.3.1
Initial Check
10
4.4
Re-Alignment Procedure
11
4.4.1
Measurement of Gain
11
4.4.2
Measurement of Harmonics
12
4.5
Packaging for Reshipment
13
1
Chapter 5
Figure 1 Figure 2 Figure 3
Figure 4
Figures 15
Specifications 17
Gain Measurement 19
Harmonic Measurement 21
Outline Drawings 23
Power Amplifier Board (240L-4301) A-1
Driver / Combiner Board (240L-4302) A-2
P.S. Transistor Board (240L-4303) A-3
P.S. Regulator Board (240L-43Ö4) A-4
RF Voltmeter Board (240L-4305) A-5
Parts List 240L-1301
Glossary of Abbreviations
ENI-7564-Manual-Page-1-Picture
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