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What is a PLL?

A PLL, or phase-locked loop, is an electronic circuit with a current or voltage-driven oscillator which is constantly adjusted in order to match the phase of the frequency of an input signal. A PLL is used for frequency control. It is a feedback circuit that is designed in order to allow a circuit board to synchronize the phase of its on board clock with an external timing signal. Phase lock loop circuits work by comparing the phase of an external signal to the phase of a clock signal that is produced by a voltage controlled crystal oscillator. The circuit adjusts the phase of the oscillator’s clock signal in order for it to match the phase of the reference signal.

Types of PLLs

There are several different kinds of PLLs at Future Electronics. We stock many of the most common types categorized by several parameters including frequency range, supply current, supply voltage, phase noise and packaging type. Our parametric filters will allow you to refine your search results according to the required specifications.

PLLs from Future Electronics

Future Electronics has a wide range of PLLs from several manufacturers. Once you decide if you need a dual PLL, single PLL, synthesizers or VCO chip, you will be able to choose from their technical attributes and your search results will be narrowed to match your specific PLL application needs. You will then be able to find the right programmable phase lock loop PLL chip for your PLL circuits, RF PLL, dual PLL, single PLL, low power PLL, low frequency PLL, PLL with integrated VCO, PLL frequency synthesizer, digital PLL, VCO circuit, PLL synthesizer tuner or PLL IC for programming purposes.

We deal with several manufacturers such as Hittite Microwave, Micrel Semiconductor, STMicroelectronics, Pericom, EXAR and NXP, among others. You can easily refine your PLL product search results by clicking your preferred PLL brand from the list of manufacturers below.

Applications for PLLs:

PLL circuits can be set up as frequency multipliers or dividers, tracking generators, clock recovery circuits or demodulators. Phase locked loops can be found in computers, radio, telecommunications and other electronic applications. PLLs can be used in order to recover a signal from a noisy communication channel, for frequency synthesis or to distribute clock timing pulses in digital logic designs. PLLs are also used for synchronization: in space communications for demodulation, bit synchronization and symbol synchronization. Other applications include demodulation of AM and FM signals, DTMF decoders, modems, remote controls and telecommunications.

Choosing the Right PLL:

With the FutureElectronics.com parametric search, when looking for the right PLL, you can filter the results by the required category. We carry the following categories of PLLs:

  • Dual PLL
  • Single PLL
  • Synthesizers
  • VCO

Once you choose the PLL category, you can narrow them down by various attributes: by frequency range, supply current, phase noise and packaging type to name a few. For programming purposes, you will be able to find the right programmable phase lock loop PLL chip for your PLL circuits, RF PLL, dual PLL, single PLL, PLL with integrated VCO, PLL frequency synthesizer, digital PLL, PLL IC, VCO circuit, PLL synthesizer tuner, low power PLL or low frequency PLL using these filters.

PLL devices in Production Ready Packaging or R&D Quantities

If the quantity of PLLs you require is less than a full reel, we offer customers several of our PLL devices in tray, tube or individual quantities that will help you avoid unneeded surplus.

Future Electronics also offers clients a unique bonded inventory program designed in order to eliminate potential problems that can arise from an unpredictable supply of products that could contain raw metals and products with erratic or long lead times. Talk with your nearest Future Electronics branch and find out more on how you and your company can avoid possible shortages.





Featured PLL Products


Manufacturer Part Number Description
Exar XR2209CP-F XR220 Series 1 MHz 8 mA Surface Mount Voltage Controlled Oscillator - PDIP-8
Exar MC44CM373CASEF XR-2207 Series 1MHz 8 mA Surface Mount Voltage Controlled Oscillator - SOIC-16
Hittite Microwave MC44CM373CASEF HMC700 Series 8 GHz 16-Bit Prescaler Fractional-N PLL - QFN-24
Hittite Microwave HMC497LP4ETR HMC388 Series 3.15 - 3.4 GHz VCO SMT w/Buffer Amplifier - QFN-24
Hittite Microwave HMC597LP4ETR HMC466 Series 6.1 - 6.72 GHz MMIC VCO w/ Buffer Amplifier - QFN-24
Hittite Microwave HMC496LP3ETR HMC431 Series 5.5 - 6.1 GHz MMIC VCO w/ Buffer Amplifier - QFN-24
Hittite Microwave NJM2590V-TE1 HMC384 Series 2.05 - 2.25 GHz MMIC VCO w/ Buffer Amplifier - QFN-24
Hittite Microwave ACLRC63201T/0FE,112 HMC391 Series 3.9 - 4.45 GHz MMIC VCO w/ Buffer Amplifier - QFN-24
Hittite Microwave SLRC40001T/OFE,112 HMC701 Series 8 GHz 16-bit Fractional-N PLL w/ Synthesizer - QFN-40
Hittite Microwave TDA8296HN/C1,551 HMC820 Series Fractional-N PLL Tri Band RF w/ Integrated VCO - QFN-40
Hittite Microwave MC1496DR2G HMC821 Series Fractional-N PLL Tri Band RF w/ Integrated VCO - QFN-40
Hittite Microwave MC1496DR2G HMC698 Series 7 GHz Integer N Synthesizer (N = 12 - 259) - QFN-32
Hittite Microwave MC1496DG HMC440 Series SMT 2.8 GHz Integer-N Synthesizer (N = 2 - 32) - QSOP-16EP
Hittite Microwave MC1496BDR2G HMC389 Series 3.35 - 3.55 GHz MMIC VCO w/ Buffer Amplifier - QFN-24
Hittite Microwave MC1496BPG Clock Generator with Fractional-N PLL & Integrated VCO SMT, 125 - 350 MHz
Hittite Microwaver MC1496PG Clock Generator with Fractional-N PLL & Integrated VCO SMT, 125 - 3000 MHz
Hittite Microwave TDA7333N HMC440 Series SMT 2.8 GHz Integer-N Synthesizer (N = 2 - 32) - QSOP-16EP
Hittite Microwave ACLRC63201T/0FE,112 HMC586 Series 4 - 8 GHz VCO SMT w/ Buffer Amplifier - QFN-24
Hittite Microwave SLRC40001T/OFE,112 HMC837 Series Fractional-N PLL Tri Band RF w/ Integrated VCO - QFN-40
Hittite Microwave TDA8296HN/C1,551 TDA8296 Szeries Digital Global Standard Low IF Demodulator - HVQFN-40
Micrel Semiconductor MC1496DR2G 2.5 V,10 Gigabit Ethernet Ultra Low Jitter Frequency Synthesizer - TSSOP-24
Pericom MC1496DR2G PI6C4511 Series 3 to 5.5 V 2 to 50 MHz Surface Mount PLL Clock Multiplier-SOIC-8
ROHM Semiconductor MC1496DG BU Series 5 V 93.6 MGz Surface Mount PLL Frequency Synthesizer - SOIC-20
Semtech MC1496BDR2G SX Series 3.3V 1.2 to 1.4 GHz PLL Frequency Synthesizer w/Integrated VCO MLPQ-16
STMicroelectronics MC1496BPG STW81101 Series 3.6 V 12 mA Multi-Band RF Frequency Synthesizer - VFQFPN-28

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