High Speed CMOS Logic Phase-Locked Loop With VCO And Lock Detector

The CD74HC7046A and CD74HCT7046A high-speed silicon-gate CMOS devices, specified in compliance with JEDEC Standard No. 7A, are phase-locked-loop (PLL) circuits that contain a linear Voltage-Controlled Oscillator (VCO), two-phase Comparators (PC1, PC2), and a lock detector. A signal input and a Comparator input are common to each Comparator The lock detector gives a HIGH level at pin 1 (LD) when the PLL is locked. The lock detector capacitor must be connected between pin 15 (CLD) and pin 8 (Gnd). For a frequency range of 100kHz to 10MHz, the lock detector capacitor should be 1000pF to 10pF, respectively.
The signal input CAN be directly coupled to large voltage signals, or indirectly coupled (with a series capacitor) to small voltage signals. A self-bias input circuit keeps small voltage signals within the linear region of the input Amplifiers With a passive low-pass Filter the 7046A forms a second-order loop PLL The excellent VCO linearity is achieved by the use of linear op-amp techniques.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
CD74HC7046AE Rochester Electronics LLC Phase Locked Loop, CMOS, PDIP16
CD74HC7046AM Rochester Electronics LLC Phase Locked Loop, CMOS, PDSO16
CD74HC7046AM96 Rochester Electronics LLC Phase Locked Loop,
CD74HC7046AM96E4 Texas Instruments PHASE LOCKED LOOP, PDSO16, GREEN, PLASTIC, SOIC-16
CD74HC7046AMG4 Texas Instruments High Speed CMOS Logic Phase-Locked Loop with VCO and Lock Detector 16-SOIC -55 to 125
CD74HC7046AMT Texas Instruments High Speed CMOS Logic Phase-Locked Loop with VCO and Lock Detector 16-SOIC -55 to 125
CD74HC7046AM Texas Instruments High Speed CMOS Logic Phase-Locked Loop with VCO and Lock Detector 16-SOIC -55 to 125
CD74HC7046AM96 Texas Instruments High Speed CMOS Logic Phase-Locked Loop with VCO and Lock Detector 16-SOIC -55 to 125
CD74HC7046AME4 Texas Instruments PHASE LOCKED LOOP, PDSO16, GREEN, PLASTIC, SOIC-16
CD74HC7046AM96G4 Texas Instruments PHASE LOCKED LOOP, PDSO16, GREEN, PLASTIC, SOIC-16
CD74HC7046A 's PackagesCD74HC7046A 's pdf datasheet
CD74HC7046AE PDIP
CD74HC7046AEE4 PDIP
CD74HC7046AM SOIC
CD74HC7046AM96 SOIC
CD74HC7046AM96E4 SOIC
CD74HC7046AM96G4 SOIC
CD74HC7046AME4 SOIC
CD74HC7046AMG4 SOIC
CD74HC7046AMT SOIC
CD74HC7046AMTE4 SOIC
CD74HC7046AMTG4 SOIC




CD74HC7046A Pinout, Pinouts
CD74HC7046A pinout,Pin out
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