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Electronic Communication Systems 2nd Edition by Roy Blake
Edition 2ISBN: 978-0766826847Electronic Communication Systems 2nd Edition by Roy Blake
Edition 2ISBN: 978-0766826847 Exercise 41
A transistor RF power amplifier operating Class C is designed to produce 30 W output with a supply voltage of 50 V.
(a) If the efficiency of the stage is 70%, what is the average collector current
(b) Assuming high-level modulation, what is the impedance seen by the modulation transformer secondary
(c) What power output would be required from the audio stages for 100% modulation of the amplifier
(d) What is the maximum voltage that appears between the collector and emitter of the transistor
(a) If the efficiency of the stage is 70%, what is the average collector current
(b) Assuming high-level modulation, what is the impedance seen by the modulation transformer secondary
(c) What power output would be required from the audio stages for 100% modulation of the amplifier
(d) What is the maximum voltage that appears between the collector and emitter of the transistor
Explanation
Verified
Verified
(a)
Calculate the average collector curr...
Electronic Communication Systems 2nd Edition by Roy Blake
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