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LC7132 PLL Frequency Synthesizer

Overview

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 ROM programmable divide-by-N counter. The ROM-table is programmed from factory.
PinNameDescription
1P1Programmable input 1
2P2Programmable input 2
3P3Programmable input 3
4P4Programmable input 4
5P5Programmable input 5
6P6Programmable input 6
7P7Programmable input 7
8P8Programmable input 8
9CH9Called channel 9 when pins are HIGH
10TestConnect to GND
11RIX-tal Input
12ROX-tal Output
13GNDGround
14LDLocked=HIGH Unlocked=LOW
15PDPhase Detector Output
16AILoop filter Amplifier Input
17AOLoop filter Amplifier Output
18VccPositive Supply Voltage
19F inVCO Frequency Input
20T/RTransmit=LOW Receive=HIGH

TRUTH TABLE
P1P2P3P4P5P6P7P8Channel
111101111
100001112
100101113
010101114
000111115
000011116
101101117
000001118
000101119
0010001110
1111001111
1000001112
1001001113
0101001114
0001101115
0000101116
1011001117
0000001118
0001001119
0010010120
1111010121
1000010122
1001010123
0101010124
0001110125
0000110126
1011010127
0000010128
0001010129
0010000130
1111000131
1000000132
1001000133
0101000134
0001100135
0000100136
1011000137
0000000138
0001000139
0010001040

Explanation of pin function terms



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