PREFERRED-CIRCUIT TECHNIQUES FOR TUNNEL-DIODE AMPLIFIERS.
Interim technical rept.,
AIRBORNE INSTRUMENTS LAB DEER PARK NY
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This report describes an investigation of radio frequency interence RFI in tunnel-diode amplifiers. Equations are derived which predict the harmonic and intermodulation power levels, or rejection of harmonics and intermodulation, and the percent cross-modulation as a function of tunnel-diode and circuit parameters. The parameters that must be known to make use of the equations are the diode peak voltage and current, bias voltage, source impedance, and amplifier gain. A push-pull, tunnel-diode amplifier was developed to demonstrate the feasibility and the advantages of a balanced amplifier. Measurements were made of the significant intermodulation and cross-modulation interference effects and then compared with the predicted effects. The results agreed with the theoretical predictions. Author
- Electrical and Electronic Equipment