CD4046B Phase-Locked Loop: A Versatile Building Block for Micropower Digital and Analog Applications: IN PAKISTAN
CD4046B Phase-Locked Loop: A Versatile Building Block for Micropower Digital and Analog Applications:Introduction:
Phase-locked loops (PLLs), especially in monolithic form, have significantly increased use in signal-processing and digital systems. Frequency modulation (FM) demodulation, frequency shift keying (FSK) demodulation, tone decoding, frequency multiplication, signal conditioning, clock synchronization, and frequency synthesis are some of the many applications of a PLL. The PLL described in this application report is the CD4046B, which consumes only 600 ?W of power at 10 kHz, a reduction in power consumption of 160 times when compared to the 100 mW required by similar monolithic bipolar PLLs. This power reduction has particular significance for portable battery-operated equipment. This application report discusses the basic fundamentals of PLLs, and presents a detailed technical description of the CD4046B, as well as some of its applications.
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CD4044BCN 4044 Quad 3-STATE NOR R/S Latches DIP-16
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CD4046B Phase-Locked Loop: A Versatile Building Block for Micropower Digital and Analog Applications: IN PAKISTAN
Original price was: ₨ 75.₨ 65Current price is: ₨ 65.
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ADC0804 Converter 8-Bit Analog to Digital
ADC0804 Converter 8-Bit Analog to Digital Features
0V to 5V analog input voltage range with a single 5V supply
Compatible with microcontrollers, access time is 135 ns
Easy interface to all microprocessors
Logic inputs and outputs meet both MOS and TTL voltage level specifications
Works with 2.5V (LM336) voltage reference
On-chip clock generator
No zero adjust required
0.3[Prime] standard width 20-pin DIP package
Operates ratio metrically or with 5 VDC, 2.5 VDC, or analog span-adjusted voltage reference
Differential analog voltage inputs
Atmega32 Atmega32a Atmega 32
Operating Voltage: 4.5V to 5V
Advanced RISC Architecture.
32 x 8 General Purpose Working Registers.
Fully Static Operation.
Up to 16 MIPS Throughput at 16 MHz.
On-chip 2-cycle Multiplier.
High Endurance Non-volatile Memory segments.
32 Kbytes of In-System Self-programmable Flash program memory.
1024 Bytes EEPROM.
2 Kbyte Internal SRAM.
Write/Erase Cycles: 10,000 Flash/100,000 EEPROM.
Data retention: 20 years at 85°C/100 years at 25°C(1).
Optional Boot Code Section with Independent Lock Bits.
In-System Programming by On-chip Boot Program.
True Read-While-Write Operation.
Programming Lock for Software Security.
Extensive On-chip Debug Support.
8 Single-ended Channels.
Byte-oriented Two-wire Serial Interface.
Programmable Serial USART.
Master/Slave SPI Serial Interface.
Programmable Watchdog Timer with Separate On-chip Oscillator.
PIC 18F46K22
Sleep mode: 100 nA, typical
Watchdog Timer: 500 nA, typical
Timer1 Oscillator: 500 nA @ typical 32 kHz Flexible Oscillator Structure
Precision 16 MHz internal oscillator block:
Factory calibrated to 1%
Software selectable frequencies range of 31 kHz to 16 MHz
64 MHz performance available using PLL
No external components required
Four Crystal modes up to 64 MHz
Two external Clock modes up to 64 MHz
4X Phase Lock Loop (PLL)
Secondary oscillator using Timer1 @ 32 kHz
Fail-Safe Clock Monitor: Allows for safe shutdown if peripheral clock stops
Two-Speed Oscillator Start-up
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