uPD2824 PLL Integrated Circuits

µPD2824 PLL Integrated Circuits Explanation of pin function terms This 27 MHz band, PLL frequency synthesizer LSI chip is designed specifically for CB transceivers.

Pin	Name	Decription
1	P1	Binary programable input 1
2	P2	Binary programable input 2
3	P3	Binary programable input 3
4	P4	Binary programable input 4
5	P5	Binary programable input 5
6	P6	Binary programable input 6
7	T	Divided by 2 input
8	Q	Divided by 2 output
9	NC
10	1/2R	Referency frequency divided by 2
11	VDD	Positive Power Supply (+5Volt)
12	RI	Referency oscillator Input (X-tal)
13	RO	Refeerency oscillator Output (X-tal)
14	RB	Reference divider output (Buffered)
15	LD	Loop Detector - HIGH=Locked LOW=Unlocked
16	TC out
17	PD out	Phase Detector output
18	AI	Loop filter Amplifier Input
10	AO	Loop filter Amplifier Output
20	NC
21	GND	Ground
22	FIN	VCO Oscillator Input

Explanation of pin function terms

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