AK2364 lsi equivalent, two-way radio filterless fm detector lsi.
The AK2364 includes 2nd-Mixer, AGC+BPF, PLL FM detector, noise squelch, and RSSI circuit. This device can eliminate D to G type ceramic filters, quadrature discriminator,.
2nd-mixer to convert the input signal down to 450Hz. The circuit composed of AGC and BPF, where the desired signal is amplified and spurious components included in the signal from the 2nd-mixer are eliminated. The circuit to divide the signal from LO.
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