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SM5123A PLL Frequency Synthesizer

PinNameDescription
1VccPositive Supply Voltage
9ADisplay Segment A
9BDisplay Segment B
9CDisplay Segment C
9DDisplay Segment D
9EDisplay Segment E
9FDisplay Segment F
9GDisplay Segment G
18GNDGround
2ROReferency Oscillator Output
2RIReferency Oscillator Input
18GNDGround
9F inVCO Frequency Input
1VccPositive Supply Voltage
19AOLoop filter Amplifier Output
18AILoop filter Amplifier Input
5PDPhase Detector Output
4LDLoop Detect - Unlocked=LOW Locked=HIGH
9T/RTransmit=LOW Receive=HIGH
18CH19Channel 19
18CH19Channel 19
18DOWNChannel DOWN
18UPChannel UP
18GNDGround

Explanation of pin function terms



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