Principles Of Transistor Circuits Introduction To The Design Of Amplifiers- Receivers And Digital Circuits Repost Apr 2026

Antenna → RF Amplifier → Mixer → IF Amplifier → Demodulator → Audio Amplifier.

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| Parameter | BJT | MOSFET (Saturation) | |-----------|-----|----------------------| | ( I_C ) or ( I_D ) | ( I_S e^V_BE/V_T ) | ( \frac12 \mu_n C_ox \fracWL (V_GS-V_TH)^2 ) | | ( g_m ) | ( I_C / V_T ) | ( \sqrt2I_D \mu_n C_ox W/L ) | | ( r_\pi ) or ( r_gs ) | ( \beta / g_m ) | ∞ (DC), ( 1/(g_m) ) at high freq | | ( r_o ) (output resistance) | ( V_A / I_C ) | ( 1/(\lambda I_D) ) | Antenna → RF Amplifier → Mixer → IF