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Form 080/01 

 

 

Complimentary Reference Material 

 
 
This PDF has been made available as a complimentary service for you to assist in 
evaluating this model for your testing requirements. 
 
TMG offers a wide range of test equipment solutions, from renting short to long 
term, buying refurbished and purchasing new.  Financing options, such as 
Financial Rental, and Leasing are also available on application. 
 
TMG will assist if you are unsure whether this model will suit your requirements.   
 
Call TMG if you need to organise repair and/or calibrate your unit.  
 
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Disclaimer: 

All trademarks appearing within this PDF are trademarks of their respective owners. 

Summary of Contents for 240L

Page 1: ...furbished and purchasing new Financing options such as Financial Rental and Leasing are also available on application TMG will assist if you are unsure whether this model will suit your requirements C...

Page 2: ...thout notice Feb 2007 Revision B 1 240L 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 voltag...

Page 3: ...operational such that it performs according to the original specifications free of charge to the original purchaser Should warranty service be required the unit must be returned to E I freight cost t...

Page 4: ...FM SSB pulse and any complex modulation signals The amplifier has 50 dB gain it is unconditionally stable and will not oscillate even with combinations of mismatched source and load impedance It is pr...

Page 5: ...tand a 13dBm input signal 1 0 Volts RMS for all output load conditions without damage POWER OUTPUT METER True RMS power detection 3 of full scale accuracy POWER REQUIREMENTS 85 264 VAC 47 63 Hz SIZE 5...

Page 6: ...rms indicated maximum input voltage is 5 times the level of the input signal required to achieve maximum output Input voltages in excess of 2 volts peak may permanently damage the instrument iii Conn...

Page 7: ...nd unrestricted If the fault persists please contact Field Service 2 3 3 RS 232 Interface The 240L features a standard RS 232 serial interface suitable for connection to a PC or host system The commun...

Page 8: ...in of Q1 is coupled to the input of Q2 This is transformed to 50 and fed to the driver output BNC port The driver output signal is fed through a length of coaxial cable to the input of the power ampli...

Page 9: ...February 2007 8 Revision B Chapter 4 Maintenance 4 1 INTRODUCTION The E I 240L RF amplifier requires no periodic maintenance The instrument is unconditionally stable and is fail safe under all load co...

Page 10: ...tor HP 8601 or similar capable of sweeping the frequency range 10 KHz to 12 MHz to the input connector c Adjust the output level of the sweep generator so that a 50 ohm video detector connected at the...

Page 11: ...then proceed as follows a Set the oscilloscope to DC Time cm to Ext X and gain to l0mv cm b Set the sweep generator to the video sweep mode with the start frequency at 10 kHz and the sweep width to 12...

Page 12: ...ater 50 dB The gain variation should be within the 3 dB as shown on the oscilloscope 4 4 2 Measurement of Harmonics Figure 4 2 1 Equipment Required a Sweep Signal Generator b Calorimetric Power Meter...

Page 13: ...prevent movement Provide additional support for projecting parts to relieve these of unnecessary shock Close the carton securely and seal with durable tape Mark the shipping container FRAGILE to ensur...

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