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- Listed here are various articles, application notes, etc. as done for Linear Technology
Corporation (LTC), during the period 1988 - 1991. Also listed/linked here are selected data
sheets and other materials, made available courtesy of Linear Technology Corporation.
- Linear Technology Magazine, Volume 1, # 1, June 1991, premier issue. I had the
distinction of being the first editor of the Linear Technology Magazine back in 1991. This
tenure was to be short however, as I left in mid-year. Thereafter, the editor's function was
handled quite capably by Rich Markell, who continued as such through 2001 and his
retirement.
While this magazine features new product information as a main thrust, it is also a gold
mine of device and circuit information. This premier issue includes a couple of Walt Jung
articles, along with many other notable works.
- Linear Technology Magazine (Complete Series) The entire Linear Technology Magazine
series can be downloaded from the LTC website, by clicking on this link.
- The LT1122 Fast Settling JFET Op Amp was coauthored with device designer George
Erdi, as part of the Linear Technology Magazine premier issue. This article discusses
the design of this JFET op amp, which addressed the asymmetric slew rate problem
inherent to earlier JFET topologies.
- A Fast, Linear, High Current Line Driver was coauthored with Rich Markell, also part of the
Linear Technology Magazine premier issue. This article discusses an audio line driver
application using the LT1122 op amp and LT1010 buffer, documenting the asymmetric
slew rate problem inherent to earlier JFET topologies. Compared to LF356 type designs,
the LT1122 shows more than an order-of-magnitude lower distortion for similar
conditions.
- LT1115 data sheet. The LT1115 is listed as an Ultralow Noise, Low Distortion, Audio Op
Amp. Using a circuit design similar to the LT1028, the LT1115 is characterized for audio
applications. The data sheet features a number audio circuit applications, with noise
and distortion performance data included. I had the pleasure of working with fellow audio
enthusiast Rich Markell while developing most of the LT1115 applications.
- LT1115 Microphone Preamp. A high performance mic preamp circuit with transformer
input/output coupling was part of the LT1115 applications. Co-authored with Rich
Markell, an article on this appeared as an Electronic Design Idea for Design, in Sept.
1990. Many of the design concepts used are still valid today. The circuit featured Jensen
transformers, and a DC servo was used for low distortion, along with the LT1010 as a
high current output buffer.