CB antenna reciever

252

02:01:56

Av CB stage = 67.3
Av Op-amp = 22.3
Total Av = 1500
Power consumption of 9v is 16.1646mw

Note: that for antenna recievers the input impedence has to match the antenna impedence (around 50 ohms for large antennas , 20 ohms for smaller ones) that's why a Common-Base stage is used as a pre-amplifier as its input impedence = Vt/Ic = 0.026/0.00141 = 18.5 ohms 

published 10 years ago

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