|Electronic Navigation Industries 240L Amplifier|
Electronic Navigation Industries
|Description||BROADBAND POWER AMPLIFIER|
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|
|Manual Type||Service and User Manual|
|Size||1.33 Mbytes (1396577 Bytes)|
|Quality||Scanned document, all readable.|
|Upload date||25 January 2016|
|Downloads||59 since 25 January 2016|
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
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