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MC145106DW bảng dữ liệu(PDF) 1 Page - Motorola, Inc |
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MC145106DW bảng dữ liệu(HTML) 1 Page - Motorola, Inc |
1 / 8 page MC145106 MOTOROLA 1 PLL Frequency Synthesizer CMOS The MC145106 is a phase–locked loop (PLL) frequency synthesizer constructed in CMOS on a single monolithic structure. This synthesizer finds applications in such areas as CB and FM transceivers. The device contains an oscillator/amplifier, a 210 or 211 divider chain for the oscillator signal, a programmable divider chain for the input signal, and a phase detector. The MC145106 has circuitry for a 10.24 MHz oscillator or may operate with an external signal. The circuit provides a 5.12 MHz output signal, which can be used for frequency tripling. A 29 programmable divider divides the input signal frequency for channel selection. The inputs to the programmable divider are standard ground–to–supply binary signals. Pull–down resistors on these inputs normally set these inputs to ground enabling these programmable inputs to be controlled from a mechanical switch or electronic circuitry. The phase detector may control a VCO and yields a high level signal when input frequency is low, and a low level signal when input frequency is high. An out–of–lock signal is provided from the on–chip lock detector with a “0” level for the out–of–lock condition. • Single Power Supply • Wide Supply Range: 4.5 to 12 V • Provision for 10.24 MHz Crystal Oscillator • 5.12 MHz Output • Programmable Division Binary Input Selects up to 29 • On–Chip Pull–Down Resistors on Programmable Divider Inputs • Selectable Reference Divider, 210 or 211 (Including ÷ 2) • Three–State Phase Detector • See Application Note AN535 and Article Reprint AR254 • Chip Complexity: 880 FETs or 220 Equivalent Gates • See the MC145151–2 and MC145152–2 for Higher Performance and Added Flexibility BLOCK DIAGRAM fin OSCin OSCout DIVIDE–BY–N COUNTER 29 – 1 REFERENCE DIVIDE 29 OR 210 ÷ 2 PHASE DETECTOR ÷ 2out FS φDetout LD P0 P1 P2 P3 P4 P5 P6 P7 P8 Order this document by MC145106/D MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC145106 P SUFFIX PLASTIC DIP CASE 707 DW SUFFIX SOG PACKAGE CASE 751D ORDERING INFORMATION MC145106P Plastic DIP MC145106DW SOG Package 18 1 20 1 © Motorola, Inc. 1998 REV 3 1/98 |
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