A Basically New Method for Automatic Retransimission of Radio Signals |
Contents
LIVITATIONS OF PRESENT RADIO RELAY SYSTEMS | 6 |
PRELIMINARY EXPERIMENTAL WORK AND INITIAL | 30 |
EXPERIMENTAL RESULTS INTERPRETATION | 68 |
Common terms and phrases
6AK5 tubes amplifier stages amplitude antenna height APPENDIX approximately B₁ bandwidth Bipass Condensers broadband heterodyne repeater capacitance Cathode Bias Chebyshov Cn(x communication convertor cosh cycles per second decibels device distance Doctor of Philosophy double-tuned stages equal ripple equation II-15 estimate experimental factor field intensity field strength Figure 13 gain function gain-bandwidth product Grid Voltage Hallicrafters input and output intermodulation interstage network ionosphere ionosphere reflection LINK COUPLED maximally flat mc/s megacycles midband gain military radio millivolts per meter mobile mutual conductance normalized gain obtained operating oscillator Output Amplifier pass band passive reflector pentode plate current POLE CONFIGURATION pole positions power gain power output problem RADIO RELAY SYSTEMS radio signals receiving antenna relay station Resistors retransmission selectivity function Sine Waves single-tuned stages spurious emission Stagger Tuned tanh tion transmitting antenna tuned circuits tuned stages values variation very-high-frequency w₁ w₁t w₂ w₂it watts wire