Fuzz Unit For Guitars

12 Finally 2 Octave Control Lines y- Output of 3/8 Decoder " Note Control Lines " 355 op-amp 1111111111 An instrumentation amplifier is used for the oscillator. Any frequency drift caused by temperature variations is mini- mized by the drift-compensation net- work. The circuits are best placed in a metal box and all wiring kept as short as poss- ible to keep any interference at bay. References: 1.Electronic Engineering 27:330, 350 and 410, July to September 1955. 2.Journal of the AES 14, No. 1:21, 1966. 3.Journal of the AES 17, No. 258, 1969. 4. Third Int. Congress on Acoustics 1959-Elsevier Publications Co., Amsterdam. 5.Computers and Automation, 13 No. 8:16, 1964 6.Microelectronic Circuits by Adel S. SEDRA, 1982. 7.Electronic Principles by A. MALVINO, 1982. 8.BBC User Guide Book, BBC, 1982. Acknowledgments: The assistance of Rowida Mustafa and Akram Farhat of Kuwait University is greatly appreciated. The project was financed by an SP023 university grant. Fig. 12. General layou...