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E&I 210L Manual

Broadband power amplifier
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210L
Broadband Power Amplifier
HIGH RF VOLTAGES MAY BE PRESENT AT THE OUTPUT OF THIS UNIT. All
operating personnel should use extreme caution in handling these voltages and be
thoroughly familiar with this manual.
Do not attempt to operate this unit prior to reading this manual.
The material contained in this document is the property of Electronics & Innovation Ltd., it is subject to
change without notice.
August 2013
Revision B
1

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Summary of Contents for E&I 210L

  • Page 1 210L Broadband Power Amplifier HIGH RF VOLTAGES MAY BE PRESENT AT THE OUTPUT OF THIS UNIT. All operating personnel should use extreme caution in handling these voltages and be thoroughly familiar with this manual. Do not attempt to operate this unit prior to reading this manual.
  • Page 2 Warranty Electronics & Innovation Ltd., (hereafter E&I) warrants for the period of three year from the date of original delivery, each unit to be free of defects in materials and workmanship. For the period of 36 months E&I will, at its option, repair or replace defective parts so as to render the unit fully operational such that it performs according to the original specifications;...

  • Page 3: Chapter 1 Introduction

    Over 10 watts of saturated power can be produced with increased distortion products. A highly linear Class A design, the 210L will amplify inputs of AM, FM, SSB, pulse and any complex modulation signals. The amplifier has 40 dB gain it is unconditionally stable and will not oscillate even with combinations of mismatched source and load impedance.

  • Page 4: Chapter 2 Operation

    Chapter 2 Operation 2.1 INTRODUCTION The 210L RF amplifier is used to amplify the RF level of signal sources in the 15 KHz to 12 MHz range. No tuning or any other form of adjustment is required. The 210L produces power output at its output connector, regardless of load impedance.

  • Page 5: Chapter 3 Technical Description

    Chapter 3 Technical Description 3.1 GENERAL DESCRIPTION The 210L is designed to amplify signals by 40 dB in the frequency band of 15 KHz to 12 MHz. The signal from the front panel BNC connector is fed via a length of 50 ohm coaxial cable into the input of the two way splitter.
  • Page 6 If the PA heat sink temperature exceeds 70C the unit will fault to prevent damage. This will be indicated by a Red LED on the front panel. The unit will not need to be power cycled to reset the fault condition. The material contained in this document is the property of Electronics &...

  • Page 7: Chapter 4 Maintenance

    Chapter 4 Maintenance 4.1 INTRODUCTION The 210L RF amplifier requires no periodic maintenance. The instrument is unconditionally stable and is fail-safe under all load conditions. Damage can only be externally caused by the incorrect selection of the AC supply voltage or by an input signal in excess of the specified 1 volt rms equivalent to a power level of 13dBm.
  • Page 8 The harmonic components contributed by the amplifier should be better than 25 dB down from the fundamental. If the above items are found to be outside of the specification, check the spectral content of the input signal. If this is a pure signal then the unit needs to be returned to the factory for service.

  • Page 9: Packaging For Reshipment

    PACKAGING FOR RESHIPMENT In the event of the equipment being returned for servicing it should be packed in the original shipping carton and packing material. If this is not available, wrap the instrument in heavy paper or plastic and place in a rigid outer box of wood, fiberboard or very strong corrugated cardboard.

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