C. V. Shaffer

An Integrable IF Amplifier of High Stability

W. J. Kerwin, C. V. Shaffer, 1968 .

Tunable bandpass filter with variable selectivity

W. J. Kerwin, C. V. Shaffer, 1969 .

Active RC bandpass filter with independent tuning and selectivity controls

W. J. Kerwin, C. V. Shaffer, 1970 .

Active rc filter permits easy trade-off of amplifier gain and sensitivity to gain

W. J. Kerwin, C. V. Shaffer, 1968 .

Multiloop distributed RC active networks for low parameter sensitivity with low amplifier gain.

W. J. Kerwin, C. V. Shaffer, 1969 .

Realizability conditions for distributed rc networks

R. W. Newcomb, C. V. Shaffer, T. N. Rao, 1966 .