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Chapter Page I History of Short Range Radio Telemetry
Modulation Methods Radio Frequency
7 other sections not shown
AM/FM system amplifier amplitude block diagram buffer amplifier calibration curves cantilever beam capacitance capacitor center frequency chromel-alumel thermocouple circuit copper current transmitters demodulator diameter discriminator output voltage electrical electronic epoxy FM radio frequency change frequency modulation galvanometer given in Figure Hz Strain Frequency induction power system information signal linear maximum microinches Model monitored mounted obtained ohms operating oscillograph oscilloscope pins pulse radio frequency radio telemetry system radio transmitters receiving antenna recorded resistance strain gages resistance-to-ground leakage resistor room temperature rotating rotor SCO frequency sensitivity sensor shown in Figure shunt simulated slip rings SPC voltage SPC's square wave stator steel strain measurement strain range stress subcarrier subcarrier frequency subcarrier oscillator switch Telemetering telemetry equipment temperature measurement temperature range thermistor thermistor temperature thermocouple torque torsional strain transducer transistor transmitter and battery transmitting antenna transmitting station tube voltage output voltage transmitter Wheatstone bridge wire zero