1. Introduction.- 2. Radiation Detectors and Related Circuits.- 2.1. Ionization Chamber.- 2.1.1. Energy Required for the Generation of One Charge Carrier Pair.- 2.1.2. Mobility of the Charge Carriers.- 2.1.3. The Pulse Shape.- 2.1.4. Preamplifier Circuits.- 2.2. Proportional Counters.- 2.2.1. Detection Mechanism and Pulse Shape in the Proportional Counter.- 2.2.2. Statistics of the Multiplication Process.- 2.2.3. Preamplifier Circuits.- 2.3. Geiger-M?ller-Counters.- 2.3.1. Detection Mechanism and Pulse Shape in the GM Counter.- 2.3.2. Quenching Circuits.- 2.4. Semiconductor Detectors.- 2.4.1. Characteristic Properties of Semiconductor Detectors.- 2.4.2. Energy Required to Form a Hole-Electron Pair.- 2.4.3. The Pulse Shape in the pn and pin Detectors.- 2.4.4. Preamplifiers and Related Circuits.- 2.5. Scintillation and ?erenkov Counters.- 2.5.1. Principle of a Scintillation Counter.- 2.5.2. The Pulse Shape.- 2.5.3. Photomultiplier Statistics and the Pulse Height.- 2.5.4. Thermal Noise.- 2.5.5. Signal Circuits Used in Scintillation Counters.- 2.5.6. Auxiliary Circuits.- 2.5.7. Scintillation Counter Stabilizer Circuits.- 2.5.8. ?erenkov Counter.- 3. Analog Circuits.- 3.1. Linear Pulse Amplifiers.- 3.1.1. General Considerations, Linearity.- 3.1.2. The Transient Response of an Amplifier.- 3.1.3. Pulse Shaping.- 3.1.4. Sum Effects.- 3.1.5. Overload Recovery Ill.- 3.1.6. Practical Design Criteria.- 3.1.7. Amplifiers with Variable Gain.- 3.2. Arithmetic Operations on Analog Signals.- 3.2.1. Operational Amplifiers.- 3.2.2. Arithmetic Operations on Pulse Amplitudes.- 3.2.3. Practical Circuits.- 3.3. Window Amplifiers.- 3.4. Linear Gates.- 3.5. Pulse Stretchers.- 3.6. Fast Pulse Amplifiers.- 4. Analog-to-Digital Converters.- 4.1. Pulse Height Discriminators.- 4.1.1. The Principle of a Multivibrator.- 4.1.2. Integral Discriminators.- 4.1.3. Differential Discriminators.- 4.1.4. Multiple Arrays of Differential Discriminators.- 4.1.5. Conservation of the Time Information in a Discrl³P