Page 557 - SUBSEC October 2017_Neat
P. 557

UNIT 2
               MODULE 2: A C THEORY AND ELECTRONICS (cont’d)


                SPECIFIC OBJECTIVES                 EXPLANATORY NOTES          SUGGESTED  PRACTICAL
                                                                               ACTIVITIES

                Operational Amplifiers (cont’d)

                Students should be able to:

                4.14.    describe  the  use  of  the  Mention of practical uses of  Use  two  separate  power
                        inverting  amplifier  as  a  summing   amplifier,   for  supplies   along   with
                        summing amplifier;          example, mixing boards.    multimeters  to  investigate
                                                                               the     output     voltage
                                                                               compared  to  the  input
                                                                               voltages.

                4.15.    solve  problems  related  to  Relate  to  the  use  of
                        summing amplifier circuits;   summing  amplifier  as  a
                                                    digital to analogue convert.

                4.16.    describe  the  use  of  the  Mention  the  important
                        operational  amplifier  as  a  practical use of the voltage
                        voltage follower; and,      follower  as  a  buffer  or
                                                    matching  amplifier,  for
                                                    example,  effect  pedals  for
                                                    guitarists.

                4.17.    analyse  simple  operational   Analysis of the response of
                        amplifier circuits.         amplifier  circuits  to  input
                                                    signals,   using    timing
                                                    diagrams.


                5.       Logic Gates

                Students should be able to:

                5.1.     describe the function of the  For   logic   gate   circuit
                        following  logic  gates:  NOT,  symbols,  use  the  ANSI
                        AND, NAND, OR, NOR, EXOR,  system.
                        EXNOR;                      Include  the  equivalence
                                                    relationship     between
                                                    different    gates,    for
                                                    example,  AND  from  NORS,
                                                    OR from NANDS, NOR from
                                                    OR+NOT, NOT from NOR.







                            CXC A16/U2/17                  57
   552   553   554   555   556   557   558   559   560   561   562