CTCSS Encoder/Decoder with Voice Signal Circuit
The AK2345 is an IC which supports CTCSS (Continuous Tone Controlled Squelch System), compatible with the TIA/EIA-603 standard.
(2)Programmable for up to 50 CTCSS frequencies.
(3)Integrated CTCSS signal elimination filter.
(4)Built-in Adder TX CTCSS/CDCSS and voice signal.
(5)Built-in high speed CTCSS Decoder.
(6)Conform to CDCSS. (Continuous Digital Controlled Squelch System)
(7)Integrated voice signal circuits such as a limiter, splatter filter, etc.
(8)Built-in (3.6864 MHz or 4.194304 MHz) oscillator circuit with crystal oscillator. (Page 25)
(9)CMOS Process low voltage operation. (1.8V…5.5V)
(10)Compact plastic package is used. (24 pin VSOP)