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MC145106DW bảng dữ liệu(PDF) 1 Page - LANSDALE Semiconductor Inc. |
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MC145106DW bảng dữ liệu(HTML) 1 Page - LANSDALE Semiconductor Inc. |
1 / 8 page www.lansdale.com Page 1 of 8 ML145106 PLL Frequency Synthesizer CMOS Legacy Device: Motorola MC145106 The ML145106 is a phase–locked loop (PLL) frequency synthesizer constructed in CMOS on a single monolithic structure. This synthesizer finds applications in such areas as AM radio, shortwave, amateur radio, 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 ML145106 has circuitry for a 10.24 MHz oscillator or may operate with an exter- nal 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 program- mable 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 fre- quency 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 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 P DIP 18 = VP PLASTIC DIP CASE 707 SOG 20W = -6P SOG PACKAGE CASE 751D 18 1 20 1 CROSS REFERENCE/ORDERING INFORMATION MOTOROLA P DIP 18 MC145106P ML145106VP SOG 20W MC145106DW ML145106-6P LANSDALE PACKAGE Note: Lansdale lead free (Pb) product, as it becomes available, will be identified by a part number prefix change from ML to MLE. INTERFACES WITH DUAL–MODULUS PRESCALERS Issue b |
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