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AN47: High Speed Amplifier Techniques - A Designer’s Companion for Wideband Circuitry

A comprehensive guide to high-speed amplifier design, covering common pitfalls, laboratory techniques, and practical applications for wideband monolithic operational amplifiers.

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Overview

Authored by Jim Williams, this 132-page application note serves as a detailed manual for designing with high-speed monolithic amplifiers. It begins by identifying common design errors such as poor termination, improper probe grounding, and inadequate bypass capacitors. A tutorial section provides guidance on cables, connectors, oscilloscope usage, and breadboarding techniques essential for wideband circuitry. The document features extensive application examples including video amplifiers, DC-stabilized gain stages, photodiode amplifiers, fiber optic receivers, quartz-stabilized oscillators, and high-speed data conversion circuits like V/F converters and sample-holds.

Use Cases

  • Video signal amplification
  • Fiber optic data transmission
  • High-speed data conversion
  • Precision oscillator design
  • DC-stabilized wideband gain stages
  • Photodiode signal conditioning

Topics

LT1122
LT1190
LT1191
LT1192
LT1193
LT1194
LT1220
LT1221
LT1222
LT1223
LT1224
LT1228

Referenced Parts

LT1122

Linear Technology

Figure 1 lists some amplifiers, along with a summary of their characteristics. ... LT1122

LT1190

Linear Technology

Figure 1 lists some amplifiers, along with a summary of their characteristics. ... LT1190

LT1191

Linear Technology

Figure 1 lists some amplifiers, along with a summary of their characteristics. ... LT1191

LT1192

Linear Technology

Figure 1 lists some amplifiers, along with a summary of their characteristics. ... LT1192

LT1193

Linear Technology

Figure 1 lists some amplifiers, along with a summary of their characteristics. ... LT1193

LT1194

Linear Technology

Figure 1 lists some amplifiers, along with a summary of their characteristics. ... LT1194

LT1220

Linear Technology

Figure 1 lists some amplifiers, along with a summary of their characteristics. ... LT1220

LT1221

Linear Technology

Figure 1 lists some amplifiers, along with a summary of their characteristics. ... LT1221

LT1222

Linear Technology

Figure 1 lists some amplifiers, along with a summary of their characteristics. ... LT1222

LT1223

Linear Technology

All of these amplifiers utilize standard op amp architecture, except the LT1223 and LT1228, which are so-called current mode feedback types

LT1224

Linear Technology

Figure 1 lists some amplifiers, along with a summary of their characteristics. ... LT1224

LT1228

Linear Technology

All of these amplifiers utilize standard op amp architecture, except the LT1223 and LT1228, which are so-called current mode feedback types

K2-W

Philbrick Researches

When Philbrick Researches introduced the first mass produced op amp in the 1950’s (K2-W) they knew it would be used.