tltr
Talking Electronics (TE)
Project Books
My T.E. Book Collection . . .
  • 6 BD679 Projects
  • FM bugs
  • More FM bugs
  • 5 More FM bugs
  • 14 FM Bugs to build
  • Bugging and it's prevention
  • CMOS Databook ( entire book based on 40xx & 74HCxx pinouts & datasheets ).
  • Digital Electronics Revealed
  • Electronics for model railways - book 1
  • Electronics for model railways - book 2
  • Electronics Notebook #1 ( includes "Starting in TTL" ).
  • Electronics Notebook #2
  • Electronics Notebook #3
  • Electronics Notebook #4
  • Electronics Notebook #5
  • Electronics Notebook #6
  • Electronics - Stage 1. ( including an introduction to ... "Digital Electronics" ).
  • Learning Electronics - book 1
  • Learning Electronics - book 2
  • Security Devices
  • Smart security devices - book 1
  • Starting in TTL
  • TE Cover Projects ( blue cover ).
  • TE Project Book 1 - Mini Frequency Counter. ( entire book based on the 'Mini Frequency Counter' project ).
  • TE Project Book 2 - Logic Designer. ( entire book based on the "Logic Designer" project ).
  • TE Project Book 3 - Dual Tracking Supply. ( entire book based on the "Dual Tracking Supply" project ).

    		•
        Six BD679 Projects
    Page
    4
    5
    7
    10
    12
    18
    21
    25
    27
    30
    33
    35
    37
    74
    Index
    Fixing A Project
    Capacitor Discharge Unit Mkll
    Automatic AA Nicad Charger
    Screamer Siren
    Battery Backed Siren
    How A BD 679 Transistor Works
    20w Fluorescent Inverter
    Living With 12v
    2-Amp Power Supply
    Breakdown Beacon
    BD 679 Output Module
    Courtesy Light Extender
    Micro-Comp Computer
    Noughts & Crosses
        F.M. Bugs
    Page
    5
    12
    14
    15
    41
    45
    47
    49
    50
    Index
    The Ant
    The Gnat
    Caught Out !
    Talk-Tronics
    FM Bug
    Big Ear
    The Telemite
    The Cricket
    The Beetle
        More F.M. Bugs
    Page
    6
    11
    15
    20
    22
    25
    29
    33
    35
    36
    39
    44
    45
    49
    Index
    The Amoeba - 400 Metre Bug (Fully Explained)
    The Tank Circuit
    Vox Bug - Sound Operated 400m Transmitter
    Tom's Latest Bug - A Story
    Dish Bug (Super Snoop) - A Non-Transmitting Super-Sensitive Amplifier
    List Of Te Kits Etc.
    Wall Bug - Also Called Window Bug.
    Beetle Mk 11 - Transmits Your Guitar To Fm Tuner
    A 154mhz Bug -A Descriptive Article
    Telemite Mk 11 - Transmits Telephone Conversation To Fm Radio
    Phone Tape-Oi - Turns On A Tape Recorder When The Phone Is Lifted
    Don't Let The Potting Deter You - Story Of Our Success With De-Potting
    Pen Bug - A Bug Designed To Fit Inside A Marker Pen
    What's Next? - A List Of All The Fully Assembled Bugs.
        5 More F.M. Bugs
    Page
    4
    6
    7
    14
    15
    20
    25
    27
    29
    33
    34
    37
    42
    43
    49
    54
    59
    Index
    List of FM Transmitters
    It's Magic.
    iThe Wasp.
    The 'Q' Factor
    Crystal Beep Bug
    Crystal Locked FM Bug
    Beetle Mklll
    Quotations
    Car Tracker.
    Money ... Money... Money...
    FM Radio
    Price List
    Order Form
    Voyager Mkll
    VOX MklV
    VOXMkV
    Security Devices
        14 F.M. Bugs To Build
    Page
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    9
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    24
    26
    28
    37
    41
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    44
    50
    51
    54
    56
    62
    64
    66
    71
    72
    75
    76
    Index
    15m Minder - Monitors A Wearer Within A 15 Metre Range
    Cube Of Sugar Bug - A Bug With 600metre Range
    Fm Bug - The First Of Our Designs. Simple To Construct. 100m Rang*
    The Ant - A Very Stable Bug. Can Be Carried. Range 100m
    Beetle Mkll - Transmits Guitar Or Other Musical Instrument 50 Metres
    The Gnat - A Bug In A Matchbox. Range 100m
    The Amoeba - A Bug That Fits In A Tic Tac Box. Range 400m
    List Of Kits - All The Kits Produced By Taking Electronics
    Omnisoft Public Domain - Update Of Our Most Popular Ibm Public Domain Titles
    The Cricket - Transmits A Constant Tone. Range 100m
    Vox Bug Mkl - An Fm Bug That Turns On When Audio Is Present
    Wall Bug - An Fm Bug That Listens Through Glass Etc. Range 400m
    Te Advertising - Our Cd Deck Bargain!
    Pen Bug Mklll - An Fm Bug Concealed In A Pen. Range 10 Metres
    Voyager - An Fm Bug That Fits On Top Of A 9v Battery. Range 800m
    Water Bug - An Fm Bug That Senses Water And Transmits Up To 1km
    Hikers Alarm - For Use In Emergencies. Has Beep And Audio. Range 1k
    Vox Mklll - Voice Activated Fm Transmitter With 1 Km Range & Homing Beep.
    More From The Editor.
    Security Devices - Full Range Of Built-Up Security Devices From Te.
    More Te Advertising - Only 6 Pages Of Advertising In The Whole Magazine!
    Australian Digital Electronics School - A School That Teaches Digital Electronics
        Bugging and it's Prevention
    Page
    5
    17
    19
    21
    29
    31
    37
    41
    48
    54
    55
    56
    64
    67
    68
    73
    Index
    The Voyager - An Fm Transmitter That Fits On Top Of A 9v Battery.
    Update: Tour's Latest Bug
    We Go 7kms!!
    Water Bug - Detects The Presence Of Water And Transmits A Tone.
    From The Service Department
    Hikers Alarm - Produces A Beep And Has A Microphone For Audio.
    List Of Te Kits Etc.
    The Listener - Amplifies A Phone Conversation
    The Rip Off - Indicates 6-Min Intervals Of Phone Conversation.
    Books! Are They Worth It?
    Letters
    Phone Rug Sniffer - Detects 4 Different Phone Taps.
    Rug Notebook
    Vox Rug Mods.
    Vox Mk 11 - Turns Any Tape Recorder Into A Voice Operated Tape Recorder.
    Complete Range Of Bugs.
        CMOS DataBook
     
    Index
    This entire book contains a large range of 40xx and 74HCxx pinouts.

    Plus, Data Sheets of CMOS chips.
        Digital Electronics Revealed


    Page
    69
    6,10,25
    36
    35
    69
    14
    9
    8
    44
    35
    57
    94
    37,47,49
    80
    26,52,78
    44
    33,82
    20
    6
    6,23,73
    17
    32
    51
    12
    6
    34,84,95
    90
    26
    19
    51
    28
    6,15
    6,16
    16,25
    97
    56
    6,13,25
    94
    49
    36
    33,79
    6
    65
    31
    29
    21,71
    34
    87
    31
    50
    53
    40
    Index
    Active Low
    AND gate
    BCD Counter
    Binary Counter
    Bubbles
    Buffer
    Building Blocks
    CD 4001, CD4011, CD 4049, CD 4050, CD 4071, CD 4081
    CD 4017
    CD 4024
    CD 4047
    Clear & Preset
    Clock
    Clocked RS Flip Flop
    Debounce
    Decade Counter
    D Flip-Flop
    Dropper Resistor
    EX-OR gate
    Flip-Flop
    Gates
    Gate Quiz
    Gating
    High/Low
    Inverter
    J-K Flip Flop
    J-K Flip Flop Modes
    Latch
    LED
    Low Frequency Oscillator
    Multivibrator
    NAND gate
    NOR gate
    NOT gate - Inverter
    One-of-three circuit
    One-shot
    OR gate
    Preset & Clear
    Random Number Generator
    Ripple Counter
    RS Flip Flop
    Schmitt Trigger
    Shift Register
    Symbols - USA
    Timer
    Truth Tables
    T Flip-Flop
    Toggling
    USA Symbols
    1 Khz Oscillator
    555 Timer IC
    7-Segment Display
        Electronics For Model Railways (#1)
    Page
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    20
    23
    24
    28
    34
    37
    39
    41
    46
    55
    58
    60
    64
    68
    72
    Index
    Warning Lamp Flashing Unit
    Capacitor Discharge Unit
    Scale Fluorescent Lamps
    Air Horn
    Power Supply
    Remote Relay Unit
    Pedestrian Crossing
    Light Chasers & Shop Displays
    Level Crossings
    Crossing Expansion
    Crossing Sound
    Crossing Boom Control
    Light Sequencer
    Rotating Light
    Throttle
    Train Detectors
    Three Coloured LEDs
    Computers
    Street Signs
        Electronics For Model Railways #2
    Page
    6
    10
    15
    26
    32
    44
    47
    53
    57
    64
    70
    73
    74
    Index
    Level Crossing Lights
    Economy Power Supply
    Signals
    Tunnel Stretcher & Station Signal
    Computers and Model Railways
    Delay Module
    Walk-Around Throttle
    Servo Driver
    Diesel Sound Generators
    Simple PWM Throttle
    Fibre Optics
    Trees
    Data
        Electronics Notebook #1
    ( with "Starting in TTL" )
    Page
    10
    10
    9
    51
    68
    7
    11
    6
    16
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    75
    13
    48
    30
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    11
    34
    14
    7
    16
    63
    17
    12
    13
    10
    85
    7
    55
    43
    15
    10
    6
    89
    10
    17
    9
    83
    56
    16
    11
    54
    17
    48
    87
    18
    41
    65
    7
    10
    9
    32
    94
    72
    15
    53

    7
    57
    15
    17
    17
    12
    7
    6
    7
    12
    8
    8
    12
    10
    92
    17
    79
    81
    7
    16
    67
    14
    18
    95
    6
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    6
    6
    16
    14
    38
    15
    6
    16
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    7
    11
    16
    6

    16
    9
    9
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    61
    16
    10
    16
    13
    Electronics Notebook Index :
    AC
    Active Line
    Ammeter
    AND Gate, The
    Astable Multivibrator
    Axial Leads
    Balun
    Base-1 Base-2
    Beeper Circuit
    Biasing
    Bistable Multivibrator
    Bridge Rectifier
    Buffer, The
    Building the TTL Trainer
    Capacitor Charging
    Choke
    Circuit Diagram of TTL Trainer
    Clipping
    ColourCode
    CRO
    Data Selector, The
    Differentiation
    Diode
    Diode as a regulator
    Dipole
    D Flip Flop
    Electric Circuit
    Enabled NAND Gate
    Facts about a Led
    Feedback
    Feeder
    FET
    Rip Rop Modes
    Folded Dipole
    555 Timer IC
    Full Scale Deflection
    Gated (clocked) Rip Rop
    Gating a Signal
    Graticule
    Inductance
    Inhibited NAND Gate
    Integration
    Inverter, The
    J-kRipRop
    LED
    LED as an Indicator
    Line Selector, The
    Low Value Resistors
    Mains 230vl
    Micro-ammeter
    Modifications to TTL PC
    Modulo-10 Ripple Counter
    Monostable Multivibrator
    Multivibrator
    NAND Gate, The
    NOR Gate, The
    Ohm's Law
    OR Gate, The
    Oscillator - Square Wave
    Peak
    Peak-to-Peak
    Polarity Protection
    Preset Pot
    Prototype PC Board
    PT Electrolytic
    Rectification
    Resistors in Parallel
    Resistors in Series
    Resonance
    Ribbon Cable
    Ripple Counter
    RMS
    R-S Rip Rop
    R-S Rip Rop as a Wave Shaper
    RT Electrolytic
    Saw Tooth Waveform
    Sequential Logic
    Self Bias
    7-Segment Display
    Shift Register
    Side Cutters
    Sinewave
    Soldering Hints
    Soldering Iron
    Square Wave
    Stage
    Summary Of Gates
    Super-Alpha Pair
    Symbols
    Time Base
    TO-3 Package
    Tolerance
    Transformer
    Triangle Wave
    Trimmer Capacitor
    UJT
    Vertical Gain
    Voltage Divider
    Voltmeter
    Volts Working
    Waveshapes
    XOR Gate, The
    X-Shift
    Yagi
    Y-Shift
    Zener    		  
    Page
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    41
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    61
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    65
    66
    67
    68
    72
    75
    79
    81
    83
    85
    87
    89
    91
    92
    94
    95
    96

    		   Starting in TTL Index :
    Building The Trainer
    Modifications To Pc
    Circuit Diagram
    How The Circuit Works
    Before You Start
    Summary Of Gates
    All The Combinations
    The Led As An Indicator
    Facts About A Led
    The Buffer
    The Inverter
    The And Gate
    The Nand Gate
    The Inhibited Nand Gate
    The Enabled Nand Gate
    Gating A Signal
    The Or Gate
    The Nor Gate
    The Xor Gate
    The Data Selector
    The Line Selector
    Summary Of Gates
    Sequential Logic
    The Astable Multivibrator
    The Monostable Multivibrator
    The Bistable Multivibrator
    The R-S Flip Flop
    The R-S Flip Flop As A Wave Shaper
    The Gated (Clocked) Flip Flop
    The D Flip Flop
    The J-K Flip Flop
    The 4 Flip Flop Modes
    The 4 J-K Flip Flop Modes
    The Ripple Counter
    Modulo-10 Ripple Counter
    The Shift Register
    Index
        Electronics Notebook #2
    Page
    6
    7
    9
    10
    11
    12
    15
    16
    16
    17
    18
    19
    22
    23
    23
    24
    25
    28
    28
    29
    33
    37
    38
    40

    Index
    Talking Electronics
    120 Years Of The Telephone
    Making Your Own Pc Boards
    Current Limit Resistor
    Replacing Pnp Transistors
    Touch Switch
    Super Alpha Pair
    The Dry Cell Deception
    Mel-12 Photo Darlington
    Speeding Up A Multivibrator
    Two Oscillators To Avoid
    A 90mhz Transmitter
    The Phase Shift Oscillator
    Touch Switch Design
    Values
    The Coupling Capacitor
    Motor Boating
    Battery Decoupling
    The Load Resistor
    Combining Stages
    Push Pull
    Turn-On Voltage
    Touch Flip-Flop
    Super Alpha Circuits

    Page
    41
    42
    43
    45
    46
    47
    48
    49
    50
    51
    52
    57
    58
    62
    64
    65
    65
    66
    68
    70
    71
    72
    74


    		  
    Making Your Own Zener Diode
    Super Zener
    Gating With Diodes
    The Or Gate
    Six Diodes
    Gates
    Chips
    Pin Names
    Gates
    Using Gates
    The And Gate
    Interfacing
    The Input Signal
    The Transistor Stage
    The Reset Line
    Murphy's Law
    The Invention Of Nothing
    Tree Cartoon
    The Electret Microphone
    Siren
    Article How A Mobile Works
    The Tank Circuit Test
    Index

        Electronics Notebook #3
    Page
    6
    7
    8
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    11
    12
    13
    14
    15
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    17
    18
    19
    20
    21
    24
    26
    27
    30
    31
    32
    33
    34
    Index
    'N' Values, 1% Resistors
    How To Solder
    How A Transistor Works
    The Transistor
    Transistor Staircase
    Surface Mounting
    The Bridge Rectifier
    Power Supply Facts
    Voltage Multiplication
    Why Diodes Fail
    The Zener
    High Impedance Lines
    Automatic Reset
    The Schmitt Trigger
    Gating The Schmitt Trigger
    The Cro
    Setting Up The Cro
    Reading Waveforms
    The Trigger Pulse
    Locating A Fault In A Display
    Using A Logic Probe
    Is It High?
    Experimenting Further
    Page
    35
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    41
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    49
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    57
    62
    64
    		  

    The Computer
    What A Computer Will Do
    Computer Circuit
    The Input Gating Transistor
    The Output Gating Transistor
    The Z-80 Cpu
    What's Inside The Z-80
    Z-80 Cpu
    Cpu Register Set
    The Accumulator
    Z-80 How It Works
    The 2716 Eprom
    Z-80 How It Works
    Bits, Bites & Nibbles
    Writing A Program
    To Blink The Display
    To Increment The Display
    0 - 9 Counter
    Djnz
    Test
    Dictionary Of Terms
    Z-80 Machine Codes For Assembly
    Z-80 Machine Codes Lor Disassembly

        Electronics Notebook #4
    Page
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    18
    19
    29
    22
    23
    24
    25
    26
    27
    35
    36
    37
    38
    40
    41
    42
    43
    44
    46
    49
    51
    53
    54
    55
    56
    57
    59
    61
    62
    63
    64
    Index
    Identifying Symbols Etc.
    Quiz »1
    Soldering
    Heatsinking
    The Air Gap
    How To "Read" A Fuse
    Danger!
    The Capacitor
    V Values
    Using A Cro
    Emergency Alarm
    The Inductor
    The Thyristor
    Quizmaster
    The Triac
    The Phone Lines
    A Bug On The Line
    Negative Logic
    How A Delay Circuit Works
    How Many Milliamps?
    How Many Amps?
    How A Zener Diode Works
    A Low Power 5v Regulator
    Creating A Negative Rail
    Why The Regulator Got Hot
    Pre-Regulator
    Expanding The In/Out On The Tec
    Windscreen Wiper Program
    Multiplexing A Display
    Scan Program
    Boolean Algebra
    How A Pen Watch Works
    The Piezo Diaphragm
    A Bridge Driver
    Replacing A 556 With Two 555's
    'D' Flip-Flop Multivibrator
    Is This Transistor Turned On?
    Motor Controller
    The Non-Inductive Load
    Reducing Inductive Spikes
    12-Tune Door Bell
        Electronics Notebook #5
    Page
    6






    14
    17
    19
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    32
    33
    34
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    46
    51
    56
    58
    65
    66
    Index
    Starting Out
    - Reading Resistors
    - Resistor Colour Code
    - Resistors Less Than 10r
    - Surface Mount Resistors
    - Capacitors
    - Surface Mount Capacitors
    The Electrolytic
    The Diode
    Diode Prodlems
    Transistors
    Substituting A Transistor
    The Fusible Resistor
    How A Transistor Works
    Testing Transistors
    Stage Gain
    The Cro
    Maximum Frequency
    Comparing Cro's
    Cro Hints
    Using A Cro To Fix A 27mhz Toy
    Getting Your Bec
    - Electrical Principles Exam
    - Answers
    - Analogue Electronics Exam
    - Answers
    - Digital Electronics Exam
    - Answers
    Index
        Electronics Notebook #6
    Page
    5
    9
    11
    14
    16
    17
    18
    21
    22
    26
    27
    31
    34
    35
    36
    38
    39
    46
    48
    49
    50
    54
    56
    59
    60
    61
    62
    65
    66
    67
    74
    Index
    Combo-2 Transistor Tester
    Hfe
    Addon Capacitance Meter
    Capacitor Codes
    Components In Series & Parallel
    The Time Has Come
    Field Strength Meter Mki
    Getting Into Bugging
    Field Strength Meter Mkll
    Substituting Transistors
    Logic Probe Mkllb
    Continuity Tester
    A Sheep In Wolf's Clothing
    The Positive Approach
    A High Gain Stage
    Tri-State
    Phone Ring
    Using A Logic Probe
    How A Capacitor Works
    Truth Table Quiz
    TTL Dice
    Understanding A Circuit Diagram..
    Starting In TTL
    Symbols Quiz
    Crossword No 3
    IQ Tests
    IQtest 1
    Improving Your IQ
    More Puzzles
    Glossary Of Terms
    Index : For Notebooks 1 - 6
        Electronics - Stage 1
    Page
    7
    11
    17
    21
    25
    29
    31
    37
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    41
    43
    47
    51
    55
    50
    63
    67
    69
    72
    77
    70
    83
    85
    93
    Index
    The LED
    The Resistor
    The Diode
    The Multimeter
    The Transistor Part I
    Continuity Tester
    The Capacitor
    Soldering
    Drawing Circuit Diagrams
    Audibe Logic Probe
    The Dry Cell
    The Transistor Part II
    Pocket Radio
    The Transistor Part III
    The 555
    Cd 4017 Decade Counter
    Door Chime
    Lm380 Amplifier
    Logic Circuits
    The Schmitt Trigger
    The Clock
    Up/Down Counter
    Lotto Selector
    Data
    Test I 05
    Test 2 06
    Test 3 07
    Comprehensive Index 08
        Learning Electronics - book 1
    Page
    5
    12
    18
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    38
    40
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    48
    50
    51
    52
    53
    54
    56
    57
    58
    60
    64
    65
    71
    73
    74
    Index
    Batteries...........
    Resistors...........
    The Led.............
    3v-15v Tester.........
    The Infuriator........
    Nim................
    Minefield............
    The Capacitor........
    The Diode............
    2-Way Signal Puzzle ....
    The Transistor........
    The First Transistor ....
    The Super Transistor . . .
    Continuity Tester......
    Lie Detector.........
    Touch Switch.........
    Tilt Alarm...........
    Audible Continuity Tester
    Robot Man...........
    The Multivibrator.....,
    Simple Siren..........
    Flashing Led.........
    Notes On Matrix Board . .
    Strength Meter.......
    Revision Crossword
    Temperature Meter.....
    Ohm's Law...........
    The Photo Transistor . . .
    5-Digit Counter........
    The Audio Amplifier.....
    Earwig.............
    Digital Electronics.....
    Ttl Trainer Deck.......
    Co-Ordinator.........
    Final Test...........
    Index
        Learning Electronics - book 2
    Page
    5
    9
    12
    13
    16
    17
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    21
    24
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    31
    34
    35
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    47
    49
    51
    52
    57
    58
    63
    64
    67
    68
    70
    71
    73
    74
    Index
    The Power Supply.......
    * Plug Pack Regulator ....
    Quick Quiz............
    Biasing..............
    Book Review..........
    * Logic Probe Mkllb.......
    About The Tec-1c Computer .
    * Continuity Tester.......
    The Antenna..........
    » Glow Plug Power Supply . .
    Faultfinding.........
    * Intercom............
    Analysis Of Continuity Tester .
    The Panel Meter.......
    The Voltage Divider.....
    Power Electronics.....
    Letters .............
    The 555..............
    * Square Wave Oscillator . .
    * Coin Flipper...........
    Using Prototype Boards . .
    The Schmitt Trigger.....
    * Op-Amp Trainer.......
    More On Power Electronics .
    * Vox Mk Iv With Beep.......
    Repairing Transistor Radios
    * 2-Chip Am Radio.........
    Where To From Here? . . .
    Kits Kits Kits..........
    Circuit Symbols........
    Test1...............
    Symbols Quiz...........
    Index To Learning Electronics # 1 And 2
        Security Devices
    Page
    4
    5
    12
    13
    16
    17
    23
    27
    33
    37
    40
    41
    43
    45
    48
    51
    55
    58
    63
    65
    68
    69
    70
    71
    73
    74
    Index
    Editorial
    Spy Bug— Our Fully Surface-Mount 100m Bug.
    My Comment
    Field Strength Meter - Test Equipment To Test The Output Power Of A Transmitter.
    More From Tom
    Ultima— Our 1km Bug.
    Public Domain Software
    Fm Radio — An Fm Radio Using A Ida 7000 Chip.
    Beeper Bug— A Beeping Bug That Helps You Find Things.
    Kit Price List
    Order Form And Magazine Prices.
    Inside Talking Electronics
    Letters
    10 Minute Timer— A Timer To Convert Old-Style Alarms Into 10 Minute Alarms.
    Light Alarm— Detects The First Sign Of Light.
    Wox— A Whistte On, Whistte-Off Switch.
    Phone Alert— Detects One Or Two Phones On The Line.
    Earwig— An Fm Bug In A Matchbox.
    Motor Speed Controller— Slows Down Any Tape Recorder
    Bug Notebook— Notes And Ideas On Bugs.
    $1600 Bug Nets $68,000— A Cutting Sent In By A Reader.
    Pen Bug Mkll— Our Improved Pen Bug.
    Scorpion— Promotional Article On Our Scorpion Phone Transmitter.
    Security Devices— A Description Of All Our Security Devices.
    Price List Of Security Devices.
    The Micro Chip Saga
        Smart Security Devices - book 1
    Page
    42
    43
    31
    57
    37
    27
    52

    19
    41
    4
    20
    63
    53
    58
    6
    47
    Index
    Alarm Order Form ..........
    Battery Backed Power Supply . . . A 700ma Power Supply With Battery Back-Up.
    Battery Backed Siren Drives 1 Horn Speaker Or Up To 4 Piezo Tweeters.
    Bugging Hype -Article..........
    Complete List Of Te Kits......
    Current Sensor Connects Up To 6 Smoke Detectors To Any Alarm...........
    Digital Electronics Correspondence School
    Leam Digital Electronics At Home With A 6 Lesson Course
    Omnisoft Public Domain.....
    Order Form .............
    Overall View Of Alarm Modules Showing How To Connect The Modules Together
    Remote Keypad Module . . . Connect This Keypad Module To Your Alarm........
    Security Devices - Made Up Devices . . .
    Voyager Mkll An Up-Date Article. Has Air Trimmer To Adjust The Frequency.
    Vox Mkv Our Surface-Mount Voice-Operated Bug .
    3-Input Alarm Module This Is The Heart Of Our Alarm System............
    4-Sector Input Module Protect The Wiring Between The Alarm Panel And The Sensors.
        Starting in TTL 1
    Page
    Index
        TE Cover Projects


    Page
    5
    19
    33
    51
    56
    62
    75
    83
    89
    93
    97
    Index
    Mini Frequency Counter - Square Wave Oscillator Digital Frequency Meter
    Logic Designer
    Dual Tracking Power Supply
    Hangman
    Stereo Vu Meter - Led Voltmeter
    TE Clock
    Lotto Number Selector
    Te Logic Probe
    Ken's Dual Power Supply
    Fm Bug
    Led Dice
        TE Project Book 1 - Mini Frequency Counter
     
    Index
    This entire book is dedicated to the " Mini Frequency Counter " project.
        TE Project Book 2 - Logic Designer


    		 
    Index
    This entire book is dedicated to the " Logic Designer " project.
        TE Project Book 3 - Dual Tracking Supply
     
    Index
    This entire book is dedicated to the " Dual Tracking Supply " project.
    blbr