Two-way Radio Filterless FM IF Detector

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Two-way Radio ICs
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, and other external components.

Key Features

(1) Low operating voltage: VDD = 2.6 to 5.5 V
(2)Wide operating temperature: Ta = -40 to 85 °C
(3)Hi sensitivity: -104dBm at 12dB SINAD
(4)Built-in 2nd Mixer
(5)Local frequency: 45.9MHz, 50.4MHz, 57.6MHz (Triple of 15.3, 16.8 and 19.2MHz)
(6)Built-in programmable AGC+BPF circuits corresponding to D to G type ceramic filters
(7)Built-in PLL FM detector
(8)RSSI function
(9)Built-in noise squelch circuits
(10)Low consumption current: 7mA
(11)Compact plastic packaging, 28-pin QFNJ (4.0 x 4.0 x 0.75mm, 0.4mm pitch)

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Block Diagram

Block Diagram

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