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
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
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