MC145107 SM5107 MM55107 PLL Frequency Synthesizer


This 27 MHz band, PLL frequency synthesizer LSI chip is designed specifically for CB transceivers. The integrated circuit`s incorporates PLL circuitry and a controller for CB applications on a single CMOS chip.
This PLL-circuit use a 8 bit BCD binary programmable divide-by-N counter.

1VccPositive Supply Voltage
2F inVCO Frequency Input
3RIReferency Oscillator Input
41/2 RReference OSC frequency divide by 2 output
5FSHIGH=10kHz - LOW=5kHz
6PDPhase Detector Output
7LDLoop Detect - Unlocked=LOW Locked=HIGH
8P7Programmable input 7
9P6Programmable input 6
10P5Programmable input 5
11P4Programmable input 4
12P3Programmable input 3
13P2Programmable input 2
14P1Programmable input 1
15P1Programmable input 0

Explanation of pin function terms

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