Superheterodyne Receiver ·
Mix Down to a Fixed IF
un
seel
.com · RF × LO → 455 kHz IF · one filter does it all
f_RF
— kHz
f_LO
— kHz
f_IF
— kHz
Stage
—
RF signal (tunes)
Local oscillator
Fixed IF strip
Image (the trap)
Recovered audio
▶ Play
←
→
🔇 Unmute
Reset
Un
seel
.com · Superheterodyne Receiver