REFERENCES
- Setty (CSGK). Electron Density Distribution at Noon in the Lower Ionosphere. JITE. 11, 1965, 127.
- Setty (CSGK). Gyrowave-Interaction in the Ionospheric D. Layer. J. Atmosph. Terr. Phys. 30, 1968, 1535.
- Huelsman (LP). Theory and design of Active RC circuits. (Tata-McGraw Hill Co. Ltd.), New Delhi. 1970.
- Mitra (SK). Active Inductorless Filters. IEEE Press. New York. 1971.
- Tow (J). Step by Step Active Filter Design. IEEE Spectrum. 6, 12; 1969; 64–68.
- Tobey (GE). Active Bandpass Filter using Differential Input Op-Amp. Burr and Brown Research Corp. 1971.
- Tobey (GE). Operational Amplifiers—Design and Applications Burr and Brown Research Corpn. 1971. McGraw- Hill Book Co. LCCC No. 74–163297.