MILITARY Phase Locked Loops (PLL) & Frequency Synthesis Circuits 221

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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	Screening Level	Terminal Form	Nominal Supply Voltage (Vsup)	Power Supplies (V)	Maximum Output Frequency	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	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
LTC6905MPS5#TRPBF	Analog Devices	PLL FREQUENCY SYNTHESIZER	MILITARY	5	VSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	3 V			SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH			.95 mm	125 Cel	-55 Cel	MATTE TIN	DUAL	R-PDSO-G5	1	5.5 V	1 mm	1.625 mm	Not Qualified	2.7 V		e3	30	260	2.9 mm
CD74HCT7046AM	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	.16 mA	1	CMOS		GULL WING	5 V	5		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V		e4	30	260	9.9 mm
MC74HC4046ADTG	Onsemi	PHASE LOCKED LOOP	MILITARY	16	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	4.5 V	2/6		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	PLL or Frequency Synthesis Circuits	.65 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	6 V	1.2 mm	4.4 mm	Not Qualified	2 V		e4	30	260	5 mm
CD4046BD	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, METAL-SEALED COFIRED		1	CMOS		THROUGH-HOLE	10 V	5/15		IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel		DUAL	R-CDIP-T16		18 V			Not Qualified	5 V			NOT SPECIFIED	NOT SPECIFIED
MC4344L	Motorola	PHASE DETECTOR	MILITARY	14	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED	40 mA	1	BIPOLAR		THROUGH-HOLE	5 V			IN-LINE			2.54 mm	125 Cel	-55 Cel	TIN LEAD	DUAL	R-GDIP-T14		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V		e0			19.495 mm
MC74HC4046AD	Onsemi	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	4.5 V	2/6		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	TIN LEAD	DUAL	R-PDSO-G16	1	6 V	1.75 mm	3.9 mm	Not Qualified	2 V	CONTAINS THREE PHASE COMPARATORS	e0		235	9.9 mm
5962R1723601VXC	Texas Instruments	PHASE LOCKED LOOP	MILITARY	64	QFF	SQUARE	YES	UNSPECIFIED		1	BICMOS	MIL-STD-883	FLAT	3.3 V		15000 GHz	FLATPACK			.5 mm	125 Cel	-55 Cel	NICKEL GOLD	QUAD	S-XQFP-F64	1	3.45 V	2.31 mm	10.9 mm	Qualified	3.2 V		e4			10.9 mm
UC1633J	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1	BIPOLAR		THROUGH-HOLE	12 V	12		IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel		DUAL	R-GDIP-T16		15 V	5.08 mm	7.62 mm	Not Qualified	8 V	MOTION CONTROL APPLICATIONS		NOT SPECIFIED	NOT SPECIFIED
5962-9466401MEX	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1	CMOS	MIL-STD-883	THROUGH-HOLE	10 V			IN-LINE			2.54 mm	125 Cel	-55 Cel		DUAL	R-GDIP-T16		18 V	5.08 mm	7.62 mm	Qualified	5 V			NOT SPECIFIED	NOT SPECIFIED	19.56 mm
UC1635J883B	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1			THROUGH-HOLE	12 V			IN-LINE			2.54 mm	125 Cel	-55 Cel		DUAL	R-GDIP-T16		15 V	5.08 mm	7.62 mm	Not Qualified	8 V
5962-9098701QEA	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1		MIL-PRF-38535 Class Q	THROUGH-HOLE	12 V			IN-LINE			2.54 mm	125 Cel	-55 Cel	TIN LEAD	DUAL	R-GDIP-T16		15 V	5.08 mm	7.62 mm	Not Qualified	8 V		e0
5962-9098701Q2A	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY							1		MIL-PRF-38535 Class Q		12 V							125 Cel	-55 Cel	TIN LEAD				15 V			Not Qualified	8 V		e0
CD54HC4046AF	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED	.16 mA	1	CMOS		THROUGH-HOLE	3 V	2/6		IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel	TIN LEAD	DUAL	R-GDIP-T16		6 V	5.08 mm	7.62 mm	Not Qualified	2 V		e0			21.34 mm
CD54HCT4046AF3A	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED	.045 mA	1	CMOS	38535Q/M;38534H;883B	THROUGH-HOLE	5 V	5		IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel	TIN LEAD	DUAL	R-GDIP-T16		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V		e0			21.34 mm
UC1635L	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	20	QCCN	SQUARE	YES	CERAMIC, METAL-SEALED COFIRED		1	BIPOLAR		NO LEAD	12 V	12		CHIP CARRIER	LDCC20,.4SQ	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel		QUAD	S-CQCC-N20		15 V	2.54 mm	8.89 mm	Not Qualified	8 V	MOTION CONTROL APPLICATIONS		NOT SPECIFIED	NOT SPECIFIED	8.89 mm
UC1635QTR	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	20		SQUARE	YES	PLASTIC/EPOXY		1			J BEND	12 V			CHIP CARRIER				125 Cel	-55 Cel		QUAD	S-PQCC-J20		15 V			Not Qualified	8 V
5962-8960901EX	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1	CMOS	MIL-M-38510	THROUGH-HOLE	3 V			IN-LINE			2.54 mm	125 Cel	-55 Cel		DUAL	R-GDIP-T16		6 V	5.08 mm	7.62 mm	Qualified	2 V			NOT SPECIFIED	NOT SPECIFIED	19.56 mm
UC1635DW	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	16		RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	12 V			SMALL OUTLINE				125 Cel	-55 Cel		DUAL	R-PDSO-G16		15 V			Not Qualified	8 V
UC1635N	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	16		RECTANGULAR	NO	PLASTIC/EPOXY		1			THROUGH-HOLE	12 V			IN-LINE				125 Cel	-55 Cel		DUAL	R-PDIP-T16		15 V			Not Qualified	8 V
UC1635L/883B	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	20	QCCN	SQUARE	YES	CERAMIC, METAL-SEALED COFIRED		1	BIPOLAR	MIL-STD-883	NO LEAD	12 V			CHIP CARRIER			1.27 mm	125 Cel	-55 Cel		QUAD	S-CQCC-N20		15 V	2.54 mm	8.89 mm	Not Qualified	8 V	MOTION CONTROL APPLICATIONS				8.89 mm
5962-8875701EX	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1	CMOS	MIL-M-38510	THROUGH-HOLE	5 V			IN-LINE			2.54 mm	125 Cel	-55 Cel		DUAL	R-GDIP-T16		5.5 V	5.08 mm	7.62 mm	Qualified	4.5 V			NOT SPECIFIED	NOT SPECIFIED	19.56 mm
UC1635Q	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	20		SQUARE	YES	PLASTIC/EPOXY		1			J BEND	12 V			CHIP CARRIER				125 Cel	-55 Cel		QUAD	S-PQCC-J20		15 V			Not Qualified	8 V
UC1635DWTR	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	16		RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	12 V			SMALL OUTLINE				125 Cel	-55 Cel		DUAL	R-PDSO-G16		15 V			Not Qualified	8 V
UC1634J	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1	BIPOLAR		THROUGH-HOLE	12 V	12		IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel		DUAL	R-GDIP-T16		15 V	5.08 mm	7.62 mm	Not Qualified	8 V	MOTION CONTROL APPLICATIONS		NOT SPECIFIED	NOT SPECIFIED
UC1634J/883B	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1	BIPOLAR	MIL-STD-883	THROUGH-HOLE	12 V			IN-LINE			2.54 mm	125 Cel	-55 Cel		DUAL	R-GDIP-T16		15 V	5.08 mm	7.62 mm	Not Qualified	8 V	MOTION CONTROL APPLICATIONS
V62/19616-01XE	Texas Instruments	PHASE LOCKED LOOP	MILITARY	48	HVQCCN	SQUARE	YES	PLASTIC/EPOXY		1			NO LEAD	3.3 V		15100 GHz	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC48,.27SQ,20		.5 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD SILVER	QUAD	S-PQCC-N48	3	3.45 V	.9 mm	7 mm		3.2 V		e4	30	260	7 mm
CD54HC4046AF3A	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED	.16 mA	1	CMOS	38535Q/M;38534H;883B	THROUGH-HOLE	3 V	2/6		IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel	TIN LEAD	DUAL	R-GDIP-T16		6 V	5.08 mm	7.62 mm	Not Qualified	2 V		e0			21.34 mm
5962-8875701EA	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED	.045 mA	1	CMOS	MIL-STD-883	THROUGH-HOLE	5 V	5		IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel	TIN LEAD	DUAL	R-GDIP-T16		5.5 V	5.08 mm	7.62 mm	Qualified	4.5 V		e0			21.34 mm
UC1635J	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1	BIPOLAR		THROUGH-HOLE	12 V	12		IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel		DUAL	R-GDIP-T16		15 V	5.08 mm	7.62 mm	Not Qualified	8 V	MOTION CONTROL APPLICATIONS		NOT SPECIFIED	NOT SPECIFIED
UC1633J883B	Texas Instruments	PLL FREQUENCY SYNTHESIZER	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1			THROUGH-HOLE	12 V			IN-LINE			2.54 mm	125 Cel	-55 Cel		DUAL	R-GDIP-T16		15 V	5.08 mm	7.62 mm	Not Qualified	8 V
5962-9466401MEA	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, METAL-SEALED COFIRED	4 mA	1	CMOS	MIL-STD-883	THROUGH-HOLE	10 V	5/15		IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel	TIN LEAD	DUAL	R-CDIP-T16		18 V	5.08 mm	7.62 mm	Qualified	3 V		e0			19.56 mm
PLMX2615CV2	Texas Instruments	PHASE LOCKED LOOP	MILITARY	64	QFP	SQUARE	YES	CERAMIC, METAL-SEALED COFIRED		1	BICMOS		FLAT	3.3 V			FLATPACK	QFL64,.43SQ,20		.5 mm	125 Cel	-55 Cel		QUAD	S-CQFP-F64		3.45 V	2.31 mm	10.9 mm		3.2 V					10.9 mm
5962-8960901EA	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED	.16 mA	1	CMOS	MIL-STD-883	THROUGH-HOLE	3 V	2/6		IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	125 Cel	-55 Cel	TIN LEAD	DUAL	R-GDIP-T16		6 V	5.08 mm	7.62 mm	Qualified	2 V		e0			21.34 mm
CD74HCT7046AMG4	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	.16 mA	1	CMOS		GULL WING	5 V	5		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V		e4	NOT SPECIFIED	260	9.9 mm
CD74HCT7046AMT	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	.16 mA	1	CMOS		GULL WING	5 V	5		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V		e4	30	260	9.9 mm
CD74HC7046AME4	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	3 V	2/6		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	6 V	1.75 mm	3.9 mm	Not Qualified	2 V		e4	30	260	9.9 mm
CD74HCT7046AMTE4	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	5 V	5		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V		e4	30	260	9.9 mm
CD74HC4046ANSRE4	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	.16 mA	1	CMOS		GULL WING	3 V	2/6		SMALL OUTLINE	SOP16,.3	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G16	1	6 V	2 mm	5.3 mm	Not Qualified	2 V		e4	NOT SPECIFIED	260	10.2 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
CD74HC7046AM	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	.16 mA	1	CMOS		GULL WING	3 V	2/6		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	6 V	1.75 mm	3.9 mm	Not Qualified	2 V		e4	30	260	9.9 mm
CD74HC4046AME4	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	3 V	2/6		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	6 V	1.75 mm	3.9 mm	Not Qualified	2 V		e4	30	260	9.9 mm
CD74HCT7046AMTG4	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	5 V	5		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V		e4	30	260	9.9 mm
CD74HC4046ANSRG4	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	3 V	2/6		SMALL OUTLINE	SOP16,.3	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	6 V	2 mm	5.3 mm	Not Qualified	2 V		e4	30	260	10.2 mm
CD74HC4046ANSR96	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	3 V	2/6		SMALL OUTLINE	SOP16,.3	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel		DUAL	R-PDSO-G16		6 V	2 mm	5.3 mm	Not Qualified	2 V					10.2 mm
CD74HCT7046AM96G4	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	5 V	5		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V		e4	30	260	9.9 mm
LMX2615W-MLS	Texas Instruments	PHASE LOCKED LOOP	MILITARY	64	QFP	SQUARE	YES	CERAMIC, METAL-SEALED COFIRED		1	BICMOS		FLAT	3.3 V			FLATPACK	QFL64,.43SQ,20		.5 mm	125 Cel	-55 Cel	NICKEL GOLD	QUAD	S-CQFP-F64	1	3.45 V	2.31 mm	10.9 mm		3.2 V		e4			10.9 mm
CD74HCT7046AME4	Texas Instruments	PHASE LOCKED LOOP	MILITARY	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	5 V	5		SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V		e4	30	260	9.9 mm
LMX2615-MKT-MS	Texas Instruments	PHASE LOCKED LOOP	MILITARY	64	QFP	SQUARE	YES	CERAMIC, METAL-SEALED COFIRED		1	BICMOS		FLAT	3.3 V		15000 GHz	FLATPACK	QFL64,.43SQ,20		.5 mm	125 Cel	-55 Cel		QUAD	S-CQFP-F64		3.45 V	2.31 mm	10.9 mm		3.2 V					10.9 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.