Before revision: In a low-IF receiver, the RF signal is mixed down to a non-zero low or moderate intermediate frequency, typically a few megahertz (for TV), and even lower frequencies (typically 120-130kHz ) in the case of FM radio band receivers.
After revision: In a low-IF receiver, the RF signal is mixed down to a non-zero low or moderate intermediate frequency, typically a few megahertz (for TV), and even lower frequencies (typically 120–130 kHz ) in the case of FM radio band receivers.