Dream Catcher ME3000 Analog Electronics Lab 6 Manual Download Page 1

 
 

http://dreamcatcher.asia/cw 

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ME3000 Analog Electronics        

                          

Lab 6 - 1/19  

 

                     

 
 
 
 

ME3000 Analog Electronics 

 

Lab 6 

 

RF Class A Tuned Amplifiers 

 

 
 
This  courseware  product  contains  scholarly  and  technical  information  and  is  protected  by  copyright 
laws  and  international  treaties.  No  part  of  this  publication  may  be  reproduced  by  any  means,  be  it 
transmitted, transcribed, photocopied, stored in a retrieval system, or translated into any language in 
any form, without the prior written permission of 

Acehub Vista Sdn. Bhd.

   

 
The  use  of  the  courseware  product  and  all  other  products  developed  and/or  distributed  by 

Acehub 

Vista Sdn. Bhd.

 

are subject to the applicable License Agreement.  

 
For further information, see the Courseware Product License Agreement. 
 
 
 

Objectives 

i) 

To demonstrate the practical issues of designing an RF tuned amplifier 

ii) 

To demonstrate AC measurements on a Class A amplifier 

 

 
Equipment Required 

i) 

ME3000-M2 Analog Electronics Training Kit 

ii) 

Digital Multimeter, recommendation :

 

Agilent 34405A or U2741A 

iii)  50 MHz Oscilloscope or equivalent, recommendation : Agilent DSO1002A 60 MHz or 

U2701A 

iv)  10 MHz Function Generator or equivalent, recommendation : Agilent 33220A or U2761A 
v) 

Dual Output (+/- 12V, 0.5A) DC Power Supply, recommendation : Agilent E3631A  

 
 
Accessories Required 

i) 

1 x 4-way

 

power supply cable

 

ii) 

1 x BNC(m)-to-grabber clips coaxial cable

 

iii)  6 x jumper cables terminated with grabber clips at both ends

 

iv)  1 x antistatic wrist strap

 

 
Caution

:

 

 

An  electrostatic  discharge  generated  by  a  person  or  an  object  coming  in  contact  with  electrical 
components  may  damage  or  destroy  the  training  kit.  To  avoid  the  risk  of  electrostatic  discharge, 
please  wear  the  antistatic  wrist  strap  and  observe  the  handling  precautions  and  recommendations 
contained  in  the  EN100015-1  standard.  Do  not  connect  or  disconnect  the  device  while  it  is  being 
energized.

 

Summary of Contents for ME3000 Analog Electronics Lab 6

Page 1: ...signing an RF tuned amplifier ii To demonstrate AC measurements on a Class A amplifier Equipment Required i ME3000 M2 Analog Electronics Training Kit ii Digital Multimeter recommendation Agilent 34405...

Page 2: ...gion is almost linear Two types of amplifiers can be designed tuned and untuned amplifiers An untuned amplifier has a wider bandwidth than a tuned amplifier as shown in Figure 1 A tuned amplifier cons...

Page 3: ...between 1 MHz to 300 MHz Great care must be taken in designing an RF amplifier as most of the components will not portray ideal characteristics at radio frequencies Most of the RF Class A amplifiers...

Page 4: ...etails 5 Use the multimeter to measure VCC applied to the transistor between terminals TP4 and GND Calculate the voltage at the transistor base using the resistive voltage divider formula CC B V R R R...

Page 5: ...to 8 MHz in 100 kHz increments 17 Record the peak to peak voltage at the input CH 1 and output CH 2 and determine the magnitude of the voltage gain AV as a function of frequency 18 Plot the AV versus...

Page 6: ...25 Connect the oscilloscope CH1 to TP1 and GND 26 Connect the oscilloscope CH2 to TP6 and GND 27 Set the trigger signal to CH1 28 Record the peak to peak voltage at the input CH 1 and output CH 2 and...

Page 7: ...urrent limit to 0 5 A Next set the supply to 25 V positive supply Set the voltage to 15 V and current limit to 0 5 A Repeat the same procedure for 25 V negative supply to set the voltage to 15 V and c...

Page 8: ...e U2741A there are two LED indicators The power indicator lights up once the U2741A is powered on There is a system error if the indicator blinks after the U2741A is powered on The USB indicator will...

Page 9: ...make a DC voltage measurement Measuring DC Current 1 The DC current measurement function of the U2741A has the following features three ranges to select 10 mA 100 mA 1 A and 2 A or auto range input i...

Page 10: ...he output of the function generator after the desired parameters are set 14 The U2761A is able to output five standard waveforms that are Sine Square Ramp Triangle Pulse and DC 15 You can select one o...

Page 11: ...ch panel of the interface Table A 2 Features of the AMM Function Generator Interface No Panel Features 1 Waveform Pattern Selection Select various types of output function by clicking the buttons 2 Wa...

Page 12: ...for Sine wave in Vrms Duty Cycle Limitations For Square waveforms the U2761A may not be able to use the full range of duty cycle values at higher frequencies as shown below 20 to 80 frequency 10 MHz 4...

Page 13: ...to half You cannot specify the output amplitude in dBm if the output termination is currently set to high impedance The units are automatically converted to Vpp You may configure the output terminati...

Page 14: ...he oscilloscope to the PC using a USB cable 2 Power on the oscilloscope 3 Launch the Agilent IO Control and the Agilent Measurement Manager AMM 4 The Select USB Device dialog box will appear displayin...

Page 15: ...quisition tab Displays the time domain waveform for the oscilloscope 3 FFT Analysis tab Displays the FFT spectrum of the signal 4 Configuration summary Displays the configured functions and settings 5...

Page 16: ...rom channel 1 channel 2 click 1 2 or press the shortcut key F5 F6 2 To toggle the channel on or off click the channel buttons on the vertical control panel or click the toolbar to toggle the channel o...

Page 17: ...orizontal scale causes the waveform to expand or contract in the center of the screen It provides functions of Time Base Delay and Mode for the horizontal scale adjustment This is shown in Figure B 87...

Page 18: ...n is located on the toolbar of the soft front panel 2 Click to activate the automated measurement and cursor system This will display the window as shown below Figure B 11 Soft Front Panel of the Meas...

Page 19: ...Scale and Run Stop 1 AutoScale automatically configures the oscilloscope to best display the input signal by analyzing any waveforms connected to the channel and external trigger inputs If AutoScale f...

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