Clive W. Humphris

Clive W. Humphris M0DXJ: Ex Technology Teacher. Software Developer, Author and Director of eptsoft limited. Married with two children and four grandchildren.
Apprentice Instrument Maker at Marconi’s with Senor Technical Management roles in Radio Rentals and Alcatel Business Systems before starting eptsoft providing educational software to schools colleges and universities worldwide since 1992.
Interests outside of developing digital products for eptsoft, include Running, Walking and Reading.

Website: http://www.eptsoft.com/

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24 line binary decoder    256 intensity levels    3phase balanced delta load    3phase balanced star load    3phase generation of emf    4bit binary counter    a closed magnetic circuit    a simple ac emf generator    absolute addressing    absolute indexed addressing    absorption and negating rules    ac    ac amplifier    ac current gain    ac dc    ac load line    ac ohms law    acceleration    accounting    accounting basics    accounting business    accounting ebook    accounting education    accounting for managers    accounting principles    accounting software    accumulator    acid test    adc add with carry    adding a data parity bit    adding negative values    adding positive values    adding signed values    addition    addition and subtraction    addition of fractions    additive colour mixing    addressing modes    aerials and antennas    aerials antennas    algebra    algebra addition    algebra multiplication and division    algebra rules    algebra subtraction and addition    algebraic addition of currents    alternate angles    alternating current    alternating dc voltage    am fm hf vhf uhf    am radio receiver block diagram    am radio transmitter block diagram    amateur radio    amateur satellite    amateur television atv    ampere a    amplifier power gainloss    amplitude modulation    amplitude modulation am    amsat    and gate    and gate function    and logical and    angle names    angle of rotation    angle using sine    angular values    annulus area    antenna current and voltage distribution    antenna switch    antenna tuner    apparent distance and actual distance    appreciation    apps    arc of a circle    area of a segment    ares    array    arrl    asl arithmetic shift left    associative laws    astable multivibrator    asymmetrical pi attenuator    asymmetrical t attenuator    attenuation    attraction and repulsion    auto transformer    autopatch    balance sheet    balanced star generator    balancing an equation    band    band antenna    band pass passive filter    band plan    band stop passive filter    basic microcomputer    basic mosfet    basic n channel fet    basic programming    basic scr operation    beacon station    bearings    bias and stabilisation    binary addition    binary arithmetic    binary coded decimal    binary multiplexer    binary numbers    binary subtraction    binary to decimal    binary trees    bipolar memory cell    bipolar transistor driver    bisect a line at right angles    bisecting an angle    bistable or flip flop    bit test accumulator with memory bits    block diagram    boolean algebra    boolean postulates    branching    break even    breakeven    breakeven point    brk break    buffer amplifier    business studies    calculating an induced voltage    calculating capacitor charge    calculating capacitor value    calculating coupling capacitor values    calculating inductive energy    calculating rc time constant    calculating rl time constant    capacitance    capacitance reactive power    capacitor    capacitor and inductor reactance    capacitor charge and discharge cycle    capacitor charging    capacitor charging waveforms    capacitor discharging    capacitor reactance    capital employed    cdrom    centi    changing the signs    character codes    check digits    chip select    chip select and addressing    chord of a circle    circle area    circle theorem    circumference angle    clear flags    clock pulse generator    clocked r    closed    closed repeater    combining of like terms    combining of unlike terms    combining sine curves    commutative laws    complete circuit    compound gear train    compound interest    computer basics    computer design    computer programming    computer science    computing software    conductor    cone volume    congruent    construct perpendicular line    continuous even distribution    control operator    controlled environment    controlled transmitter    correlation analysis    corresponding angles    cosine    cosine curve    cq    crystal    crystal oscillator    ctcss    cube    cube roots    cumulative frequency    current    cw    d region    data    dc    deci    design technology    detector    digital    digital electronics    digital techniques    direct current dc    dual    dummy antenna    duplex    duplexer    duty cycle    dx    e region    earth    earth eme or moonbounce    educational software    effective radiated power    electric motor    electrical    electrical contracting    electrical engineering    electrical power    electrical principles    electrical software    electromagnetic spectrum    electromotive force emf    electron    electroncis apps    electronics    electronics engineer    electronics kit    electronics math    electronics principles    electronics software    emergency    emergency traffic    emission    emr    energy    engineering    engineering maths    engineering textbook    eptsoft    equivalent radiated power erp    erp    examination    f region    feed line    filter    finance    finance companies    floating point    floating point numbers    fractions    frequency    frequency discriminator    frequency modulation    frequency modulation fm    frequency oscillator    friction force    gates parity checking    gcse maths    gcse physics    geometry    giga    global positioning service gps    graph    ground    harmonic    health and welfare traffic    hertz hz    hexadecimal    high    high frequency hf    ht    impedance    inductance    inductor    information systems    input frequency    insulator    intermediate frequency if    international space station    international telecommunication union itu    internet remote base    ionizing radiation    ionosphere    iss    kilo    limiter    line    logic gates    low    management information systems    math    math for computing    math software    mathematics educational software    maths    maths software    maximum usable frequency muf    mayday    mechanical    mechanical advantage    mechanical force    mechanics    mechanics software    mega    metric prefixes    metric system    micro    micro computers    microchip    microcontroller    microcontrollers    microelectronics    microphone    microprocessor    microprocessors    milli    mobile device    modem    modulate    modulation    moments of force    moon    mplab    newton laws    nonionizing radiation    number conversion    number types    of sight    offset    ohm    ohms law    open circuit    open repeater    operating signals    operational amplifiers    oscar    output frequency    packet radio    parallel circuit    parity checking    party communications    pass filter    percentages    phone    phonetic alphabet    physics    pic micro    pic programming    pic projects    pico    pl    points and level crossings    portable device    power    power supply    priority traffic    product detector    profit and loss    propagation    q signals    qsl card    radar    radio    radio amateur civil emergency service races    radio ham    radioteletype rtty    railway modellers    raspberry pi    receiver    rectifiers    reflection    refraction    remote base    repeater    resistance    resistor    resistors in series    rf burn    rf carrier    rf radiation    rf safety    sales turnover    science    series circuit    short circuit    sight propagation    signal propagation    signal report system rst    simplex operation    sine wave    single sideband    single sideband ssb    skip zone    sky    sos    space station    specific absorption rate sar    standard deviation    stem education    sunspot cycle    sunspots    supply and demand    swr meter    systems analysis    tactical communications    technology    teleprinter    temperature inversion    terminal    testing    the radio amateur satellite corporation    third    three phase    torque    track layout design    transceiver    transistor    transmitter    transmitters and receivers    transmitters receivers    trigonometry    troposphere    tropospheric bending    tropospheric ducting    uncontrolled environment    variable    vdt    vfo    visible horizon    volt v    voltage    voltage regulation    watt    wave propagation    wavelength