Frequency Modulation Receivers |
Contents
INTRODUCTION | 1 |
THE I F STAGE | 5 |
Disadvantages of Frequency Modulation | 13 |
6 other sections not shown
Common terms and phrases
adjusted aerial circuit aerial inductor aerial socket aerial terminal amplitude modulation anode circuit anode impedance anode load bandwidth broadcast receiver cable carrier frequency carrier vector cathode-ray oscillograph coupling inductor crystal oscillator damping decreases diode example feedback Figure FM broadcasting FM receiver FM reception frequency changer frequency deviation frequency modulation gain give given grid circuit grid leak grounded grid amplifier I.F. frequency I.F. signals I.F. transformers I.F. valve increased inductance input circuit input impedance input resistance input signal kc/s low-frequency mA/V maximum Mc/s mixer input modulating current modulating frequency modulation index mutual conductance noise obtained oscillator voltage output voltage pentode phase detector produce quency R.F. amplifier R.F. stage R.F. voltage ratio detector reactance valve reduced resistor response curve secondary seen sidebands signal-to-noise ratio sine-wave curve stray capacitances suitable switch tion transmitter triode triode valve tuned circuit tuning capacitor winding wobbulator