I. BIRTHDAY CANDLE BLOWER.

Temperature Sensor.

DC Power Supply.

Temperature Sense Comparator.

Transistor High Current Driver.

II. INFRARED BUG SUCKER.

Infrared Emitters and Detectors.

Bug Sensor.

Comparator Circuit.

Vacuum Cleaner Drive Circuit.

Power Supply.

Complete Circuit.

III. KLINGON PAIN STICK.

IV. STUN GUN (18 V TO 1000 V BOOST CONVERTER).

Complete Circuit.

V. DC MOTOR SPEED CONTROLLER.

Pulse Width Modulation.

Switching Devices.

PWM Circuit.

Ramp Generator.

VI. ELECTRONIC HOTDOG COOKER.

Variac.

PWM Power Regulation.

Complete Electronic Hotdog Cooker Circuit.

Electrode Design.

Waveforms and Cooked Hotdogs.

VII. MAGIC FEEDBACK AUDIO AMPLIFIER.

Background.

Power Amplfiers.

High Current Operational Amplifier.

Feedback.

Push-Pull Amplifier with Feedback.

VIII. PUSH-PULL AMPLIFIER THERMAL INSTABILITY (DESTRUCTIVE).

Push-Pull Amplifier with Fixed Bias.

Push-Pull Thermal Instability.

Fixing the Thermal Instability.

IX. TROJAN SURGE PROTECTOR.

Surge Suppression Devices.

Basic Surge Protection Circuit.

Filtered Surge Suppressor Circuit.

The Trojan Surge Protector.

A. DATASHEETS.

REFERENCES.

INDEX.