NO Phase Locked Loops (PLL) & Frequency Synthesis Circuits 9

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Part	Manufacturer	Other IC type	Temperature Grade	No. of Terminals	Package Code	Package Shape	Surface Mount	Package Body Material	Maximum Supply Current (Isup)	No. of Functions	Technology	Terminal Form	Maximum Negative Supply Voltage (Vsup)	Nominal Negative Supply Voltage (Vsup)	Nominal Supply Voltage (Vsup)	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width (mm)	Qualification	Minimum Supply Voltage (Vsup)	Additional Features	Minimum Negative Supply Voltage (Vsup)	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
HCF4046BEY	STMicroelectronics	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1	CMOS	THROUGH-HOLE			5 V	5/15	IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel	MATTE TIN	DUAL	R-PDIP-T16		20 V	5.1 mm	7.62 mm	Not Qualified	3 V			e3
AD9901KQ	Analog Devices	PHASE DETECTOR	COMMERCIAL	14	DIP	RECTANGULAR	NO	CERAMIC, METAL-SEALED COFIRED		1		THROUGH-HOLE			5 V	5/-5.2	IN-LINE	DIP14,.3	PLL or Frequency Synthesis Circuits	2.54 mm	70 Cel	0 Cel	TIN LEAD	DUAL	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	ALSO OPERATES AT -5.2 V SUPPLY		e0			19.43 mm
LC72121-D-E	Onsemi	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	22	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	6 mA	1	CMOS	THROUGH-HOLE				3/3.3	IN-LINE	SDIP22,.3	PLL or Frequency Synthesis Circuits	1.78 mm	85 Cel	-40 Cel	Tin/Bismuth (Sn/Bi)	DUAL	R-PDIP-T22		3.6 V	3.9 mm	7.62 mm	Not Qualified	2.7 V			e6			21 mm
CD74HCT7046AEE4	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	.16 mA	1	CMOS	THROUGH-HOLE			5 V	5	IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T16		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V			e4			19.305 mm
74HC4046AN,652	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	AUTOMOTIVE	16	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1	CMOS	THROUGH-HOLE			5 V	2/6	IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T16		6 V	4.06 mm	7.62 mm	Not Qualified	3 V	WITH THREE PHASE COMPARATORS		e4			19.09 mm
74HC7046AN,112	NXP Semiconductors	PHASE LOCKED LOOP	AUTOMOTIVE	16	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1	CMOS	THROUGH-HOLE			5 V	2/6	IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T16		6 V	4.7 mm	7.62 mm	Not Qualified	3 V	WITH TWO PHASE COMPARATORS		e4			21.6 mm
74HCT7046AN,112	NXP Semiconductors	PHASE LOCKED LOOP	AUTOMOTIVE	16	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1	CMOS	THROUGH-HOLE			5 V	5	IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T16		5.5 V	4.7 mm	7.62 mm	Not Qualified	4.5 V	WITH TWO PHASE COMPARATORS		e4			21.6 mm
HEF4046BP,652	NXP Semiconductors	PHASE LOCKED LOOP	INDUSTRIAL	16	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1		THROUGH-HOLE				5/15	IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T16		15 V	4.7 mm	7.62 mm	Not Qualified	3 V			e4			21.6 mm
LM565CN/NOPB	National Semiconductor	PHASE LOCKED LOOP	COMMERCIAL	14	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1	BIPOLAR	THROUGH-HOLE	-12 V	-5 V	6 V	+-6	IN-LINE	DIP14,.3	PLL or Frequency Synthesis Circuits	2.54 mm	70 Cel	0 Cel	Matte Tin (Sn)	DUAL	R-PDIP-T14	1	12 V	5.08 mm	7.62 mm	Not Qualified	5 V		-5 V	e3	40	260	19.18 mm

Phase Locked Loops (PLL) & Frequency Synthesis Circuits

Phase Locked Loops (PLL) and Frequency Synthesis Circuits are electronic circuits used to generate and control stable and precise frequencies for use in various applications, such as communication systems, signal processing, and instrumentation.

A PLL is a feedback system that compares the phase of an input signal to the phase of a reference signal and adjusts the output frequency to match the reference frequency. The basic components of a PLL include a phase detector, a low-pass filter, a voltage-controlled oscillator (VCO), and a frequency divider. The phase detector compares the phase of the input and reference signals and generates an error signal that is filtered and used to adjust the frequency of the VCO. The output of the VCO is divided by a frequency divider to generate the output frequency. PLLs are commonly used for frequency synthesis, clock recovery, and phase modulation/demodulation.

Frequency synthesis circuits are electronic circuits used to generate precise and stable frequencies by combining multiple signals with different frequencies. These circuits use various techniques, such as direct digital synthesis (DDS), fractional-N synthesis, and frequency mixing to generate frequencies. DDS is a technique that uses a digital signal generator to generate a waveform with a specific frequency, phase, and amplitude. Fractional-N synthesis is a technique that uses a PLL to generate a frequency that is a fraction of the reference frequency. Frequency mixing is a technique that combines two signals with different frequencies to generate a signal with a frequency equal to the difference between the two frequencies.

PLLs and frequency synthesis circuits are critical components in many electronic systems that require precise and stable frequencies. These circuits are used in communication systems, signal processing, instrumentation, and other applications where accurate frequency generation and control is required.