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SM5128 PLL Synthesizer


Overview
The SM5128A1 is a CB transceiver PLL synthesizer, USA-frequency specification code ROM, channel up/down control circuit, LCD driver and channel-change unlock signal gencrator. All these features in a single chip allow the overall system cost to be reduced.

Features
&127; USA-specificatijon code ROM
&127; Channl up/down connl circuit
&127; Unlock signal generator circuit
&127; Channel/PA display decoder
&127; LCD driver
&127; Channel-change comfirmation tone output signal
&127; Amplifier for an activc low-pass filter
&127; Single-crystal PLL synthesizer
&127; 4.5 - 5.5V supply voltage
&127; 10,24MHz crystal oscillator circuit

Explanation of pin function terms





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