Switches

• Ultrafast Sampling Switch
• Transistor Power Switch

Bipolar Junction Transistors

• Transistor Attenuator
• Signal Gate

Power Supplies

• Zener-Diode Regulated Power Supply
• 150-Volt Series Regulator
• Transistor Current Regulator
• Solid-State Circuit Breaker
• Highly Reliable Voltage Supply
• Current-Limiting Circuit
• Opamp Voltage Regulator
• Full Wave Bridge and Regulator
• Overload Protector

Amplifiers

• Impedance Matching Line Driver

Transducers

• Photodiode Relay Circuit
• Photodiode Amplifier
• Voltage to Pulse Width Converter
• Temperature Regulator for a Cold Chamber
• Temperature Controller for Crystals

Wave Shaping

• Positive Clipper
• RC Integrator
• RC Differentiator
• Pulse-Width Discriminator
• Pulse Stretcher

Waveform Generators

• Linear Ramp Voltage
• Voltage-Controlled Oscillator

Logic Gates

• Exclusive NOR Circuit
• Dwell-Time Gate

Flip-Flops

• 4 Stage Sequencer

Tests and Measurements

• Zero Phase Shift Indicator
• Pulse Width to Voltage Converter
• I/V-Curve Tester
• Matching of Diodes
• Smoothly Adjustable DC Load
• Peak/Average Detector
• Constant-Current Load Circuit

LED Circuits

• Portable Strobelight
• Low-Cost Battery Voltage Indicator