E&I 1020L Manual Download

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The material contained in this document is the property of Electronics & Innovation Ltd., it is subject to
change without notice.

August 2012 Revision F

1020L

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.

Summary of Contents for 1020L

Page 1: ...out notice August 2012 Revision F 1 1020L 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 volt...

Page 2: ...ly 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...

Page 3: ...AM FM SSB pulse and any complex modulation signals The amplifier has 53 dB gain it is unconditionally stable and will not oscillate even with combinations of mismatched source and load impedance It i...

Page 4: ...input signal 1 0 Volts RMS without damage And all load conditions at rated Power out POWER OUTPUT METER RMS power detection 3 of full scale accuracy 100 KHz 1 MHz 10 100 KHz see table below Above 1 M...

Page 5: ...h With the handles removed it will fit into a standard rack 2 2 1 Mains Voltage The unit accommodates AC line voltages from 100 TO 240 VAC 47 63 Hz 2 3 OPERATION A line cord is supplied to form a conn...

Page 6: ...r status see figure 2 1 Pf ___W Pr ___W Status ________ Figure 2 1 Front Panel Display Where Pf refers to forward power Pr refers to reverse power and Status indicates OK unless there is a fault condi...

Page 7: ...nk has the following parameters Baud rate 19200 Data bits 8 Parity none Stop bits 1 Flow control none An example configuration using HyperTerminal on a PC is shown in figure 2 2 In the default state t...

Page 8: ...e to the input of the power amplifier module The signal is split into two equal phase and amplitude signals These signals are fed to the inputs of transistors Q1 and Q2 The amplified signals appearing...

Page 9: ...Maintenance 4 1 INTRODUCTION The E I 1020L RF amplifier requires no periodic maintenance The instrument is unconditionally stable and is fail safe under all load conditions Damage can only be externa...

Page 10: ...he frequency range 10 KHz to 5 MHz to the input connector c Adjust the output level of the sweep generator so that a 50 ohm video detector connected at the output of the unit will not be damaged by ex...

Page 11: ...pment as shown in Figure 4 1 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...

Page 12: ...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 HP434A...

Page 13: ...upport for projecting parts to relieve these of unnecessary shock Close the carton securely and seal with durable tape Mark the shipping container FRAGILE to ensure careful handling Chapter 5 Safety D...