Question

Solve for the over-all Power Gain, Output Power, Quiescent Power, and Efficiency Vee 12V Qa 0, 0.22 pP 10 pF o Ln OkH 00 pF 33 Ω 2 W 100 pF 3 Class C(15pts) 2.1 For a class B amplifier providing a 20-V peak signal to a 16- ohm load (speaker) and a power supply of VCC 30 V, determine the A class C amplifier is driven by a 100 kHz signal. The transistor is on for 2 us, and the amplifier is operating over 100 percent of its loadline. If icsats 100mA and VCE sat . 0.2 v. suppose vcc is equal to 24V and RC=100 ohms. Determine the efficiency a.) Average power dissipation b.) Output power c) efficiency a) input power b) output power c) efficiency 22 Determine the input resistance for below circuit: 01 Calculate the effective resistance seen looking into the primary of a 15:1 transformer connected to an 8-ohm load (5pts) What transformer turns ratio is required to match a 16- speaker load so that the effective load resistance seen at the primary is 10 k ohm? (5pts) 1. 2. 02 02

Answer 1

(Given data clan u Wee ov Vin Ge o ad Veca 30 ) T Outp ower (at load 5 C) Etticience too -(11 942*2) 53.33/
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Class c Given data oacl tine amplBier (b) output power L0 O (c) γ) for 2-279 e Pout = o. 9 9 3 100 "L = 94.3 %