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. 145-0657
Mfr. Part No.CD74HC4046AE
$0.837
Each (In a Tube of 25)
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 6 V +125 °C - 2 V
RS Stock No. 662-4589
Mfr. Part No.CD74HC4046AE
$0.625
Each (In a Pack of 10)
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 6 V +125 °C - 2 V
RS Stock No. 162-4153
Mfr. Part No.CD74HCT7046AE
$3.90
Each (In a Tube of 25)
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 5.5 V +125 °C - 4.5 V
RS Stock No. 709-1965
Mfr. Part No.CD4046BE
$0.70
Each (In a Pack of 10)
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 18 V +125 °C - 3 V
RS Stock No. 650-122
Mfr. Part No.CD74HCT7046AE
$4.82
Each
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 5.5 V +125 °C - 4.5 V
RS Stock No. 923-6693
Mfr. Part No.CD4046BE
$0.702
Each (In a Tube of 25)
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 18 V +125 °C - 3 V
RS Stock No. 100-0740
Mfr. Part No.CD74HCT297E
$4.97
Each (In a Tube of 25)
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 5.5 V +125 °C - 4.5 V
RS Stock No. 634-192
Mfr. Part No.CD74HCT297E
$4.02
Each
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 5.5 V +125 °C - 4.5 V
RS Stock No. 162-4358
Mfr. Part No.TLC2933AIPW
$5.98
Each (In a Tube of 90)
units
1 - - Surface Mount TSSOP 14 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm 5.25 V +75 °C - 2.85 V
RS Stock No. 528-337
Mfr. Part No.TLC2933AIPW
$5.90
Each
units
1 - - Surface Mount TSSOP 14 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm 5.25 V +75 °C - 2.85 V
RS Stock No. 809-6191
Mfr. Part No.CD4046BPW
$0.691
Each (In a Pack of 15)
units
1 0.1 → 1 μA 1.4MHz Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm 1.05mm 18 V +125 °C 1.6 MHz, 2.4 MHz 5 V
RS Stock No. 809-5927
Mfr. Part No.SN74LV4046AN
$2.43
Each (In a Pack of 5)
units
- ±70 mA - Through Hole PDIP 16 19.69 x 6.6 x 4.57mm 19.69mm 6.6mm 4.57mm 5.5 V +125 °C 38MHz 3 V
RS Stock No. 178-9154
Mfr. Part No.CD74HCT4046AM
$0.735
Each (In a Tube of 40)
units
1 - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 5.5 V +125 °C - 4.5 V
RS Stock No. 662-4586
Mfr. Part No.CD74HC7046AM
$4.97
Each (In a Pack of 5)
units
1 - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 6 V +125 °C - 2 V
RS Stock No. 662-4570
Mfr. Part No.CD74HC297E
$5.39
Each (In a Pack of 5)
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 6 V +125 °C - 2 V
RS Stock No. 709-2508
Mfr. Part No.TLC2932AIPW
$6.65
Each
units
1 - - Surface Mount TSSOP 14 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm 5.25 V +75 °C - 2.85 V
RS Stock No. 162-8432
Mfr. Part No.TRF3765IRHBT
$18.52
Each (On a Reel of 250)
units
- 190 mA 350MHz Surface Mount VQFN 32 5.15 x 5.15 x 0.95mm 5.15mm 5.15mm 0.95mm 3.6 V +85 °C 4800MHz 3 V
RS Stock No. 923-6778
Mfr. Part No.TLC2932AIPW
$5.98
Each (In a Tube of 90)
units
1 - - Surface Mount TSSOP 14 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm 5.25 V +75 °C - 2.85 V
RS Stock No. 145-6969
Mfr. Part No.CD74HC7046AM
$4.21
Each (In a Tube of 40)
units
1 - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 6 V +125 °C - 2 V
RS Stock No. 817-5537
Mfr. Part No.TRF3765IRHBT
$25.08
Each
units
- 190 mA 350MHz Surface Mount VQFN 32 5.15 x 5.15 x 0.95mm 5.15mm 5.15mm 0.95mm 3.6 V +85 °C 4800MHz 3 V