6. a. If the carrier frequency fe= 1.6MHz and local oscillator frequency fo Find the frequencies produced at the mixer.

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6.
a. If the carrier frequency f = 1.6MHz and local oscillator frequencyfo = 1.9MHz.
Find the frequencies produced at the mixer.
b. Design a single tuned amplifier for the following specification
Center frequency = 500kHZ
Bandwidth (BW) = 10kHz
Assume the transistor parameters gm=0.04S
hre=100, Cb'e = 1000pF and Cb'c = 100pF
= 5100,
The bias network and the input resistance are adjusted so that r;= 4k and R₁
Q=100
Transcribed Image Text:6. a. If the carrier frequency f = 1.6MHz and local oscillator frequencyfo = 1.9MHz. Find the frequencies produced at the mixer. b. Design a single tuned amplifier for the following specification Center frequency = 500kHZ Bandwidth (BW) = 10kHz Assume the transistor parameters gm=0.04S hre=100, Cb'e = 1000pF and Cb'c = 100pF = 5100, The bias network and the input resistance are adjusted so that r;= 4k and R₁ Q=100
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