PLL Circuits

A PLL circuit, or Phase-Locked Loop, features a Voltage-Controlled Oscillator (VCO) whose output is constantly adjusted to match the phase and frequency of an input signal using feedback from a Phase Comparator. A PLL circuit is often used to synchronise (lock) RF receiver circuits to an incoming carrier signal. If a frequency divider n is introduced between the VCO output and the phase comparator, the PLL circuit output frequency will be fin/n, locked in phase to fin. If fin comes from a highly-stable fixed frequency oscillator and n is programmable, then the circuit forms the basis of an accurate Digital Frequency Synthesiser.

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Description Price Number of Elements per Chip Maximum Supply Current Maximum Input Frequency Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature Maximum Output Frequency Minimum Operating Supply Voltage
RS Stock No. 162-9623
Mfr. Part No.PCS3P8103AG-06JR
HK$8.637
Each (On a Reel of 2500)
units
1 0.5 mA 16.667MHz Surface Mount TSOT-23 6 2.9 x 1.9 x 0.8mm 2.9mm 1.9mm 0.8mm 3.6 V +70 °C 66.66MHz 3 V
RS Stock No. 145-2977
Mfr. Part No.MC14046BDWG
HK$3.727
Each (In a Tube of 47)
units
- ±1 μA - Surface Mount SOIC 16 10.45 x 7.6 x 2.4mm 10.45mm 7.6mm 2.4mm 18 V +125 °C 0.7MHz 3 V
RS Stock No. 806-3179
Mfr. Part No.MC14046BDWG
HK$5.003
Each (In a Pack of 20)
units
- ±1 μA - Surface Mount SOIC 16 10.45 x 7.6 x 2.4mm 10.45mm 7.6mm 2.4mm 18 V +125 °C 0.7MHz 3 V
RS Stock No. 787-7024
Mfr. Part No.PCS3P8103AG-06JR
HK$7.672
Each (In a Pack of 5)
units
1 0.5 mA 16.667MHz Surface Mount TSOT-23 6 2.9 x 1.9 x 0.8mm 2.9mm 1.9mm 0.8mm 3.6 V +70 °C 66.66MHz 3 V
RS Stock No. 162-9622
Mfr. Part No.P3PS850BHG-08CR
HK$6.739
Each (On a Reel of 3000)
units
1 28 mA 72MHz Surface Mount WDFN 8 2 x 2 x 0.75mm 2mm 2mm 0.75mm 3.6 V +85 °C 72MHz 2.3 V
RS Stock No. 787-7021
Mfr. Part No.P3PS850BHG-08CR
HK$11.26
Each (In a Pack of 5)
units
1 28 mA 72MHz Surface Mount WDFN 8 2 x 2 x 0.75mm 2mm 2mm 0.75mm 3.6 V +85 °C 72MHz 2.3 V