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U74HCT7046 Datasheet PHASE LOCKED LOOP

Manufacturer: Unisonic Technologies

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General Description

The U74HCT7046 is phase-locked-loop circuit that comprise a linear voltage-controlled oscillator (VCO), two-phase comparators (PC1, PC2), a lock detector, a common signal input amplifier and a common comparator input.

The lock detector capacitor should be connected between pin 15(CLD) and pin 8(GND).For a frequency range of 100kHz to 10MHz,the lock detector capacitor must be 1000pF to 10pF,respectively.

The signal can be directly coupled to large voltage signals, or with a series capacitor coupled to small signals.

Overview

UNISONIC TECHNOLOGIES CO., LTD U74HCT7046 PHASE LOCKED LOOP WITH VCO & LOCK DETECTOR CMOS IC.

Key Features

  • S.
  • Operating Power Supply Voltage Range: Digital Section 4.5 to 5.5 V VCO Section 4.5 to 5.5 V.
  • Up to 18 MHz (typ. ) Centre Frequency at VCC = 5V.
  • Excellent VCO Frequency Linearity.
  • VCO-Inhibit Control For ON/OFF Keying and for Low Standby Power Consumption.
  • Minimal Frequency Drift.
  • Zero Voltage Offset due to OP-Amp Buffering www. unisonic. com. tw Copyright © 2012 Unisonic Technologies Co. , Ltd 1 of 16 QW-R502-851.A U74HCT7046.

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