Best Pll Low phase noise

Fosi Audio DA2120A Bluetooth 5.0 DAC Hi-Fi Stereo Receiver Audio Amplifier Support aptX 2.1 CH Integrated Class D Digital Power Amp for Passive Speakers Active Subwoofer with Remote Control

  • ... slew rate, input-protection diodes, and output short-circuit protection. NE5532 are compensated internally for unity-gain operation, with specified maximum limits for equivalent input noise voltage..
  • DA2120A with Advanced Digital Amplify Circuits that all analog signals are converted to a digital signal to make the PHASE of input and output signal keep same. Phase shift is zero. Strong anti-interference ability. High efficiency up to 99%..
  • What You Get: DA2120A Hifi DAC amplifier x1, Bluetooth antenna x1, 24V/4.5A power supply x1, remote control x1, PC-USB Cable x1, Optical Cable x1, user manual x1, our worry-free 18-month warranty, and friendly customer service..
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Sangean DT-200X FM-Stereo/AM Digital Tuning Pocket Radio Black

  • Am/ FM-Stereo pocket radio with drift-free PLL Synthesized tuner and built-in speaker.
  • 19 radom AM/FM memory presets with Auto station Scanning and auto seek.
  • Large backlit LCD display, selectable stereo/mono switch, stereo headphone output, low battery indicator, 90 minute auto shut off, DBB dynamic bass boost, lock switch, My favorite stations and real time clock.
  • Removable belt clip, stereo earbuds, trailing antenna included, Operates on 2 AA Batteries (not included).
  • High-impact ABS case measures just 4. 2”H x 2. 5”W x . 75”D inches.
  • Drift-free, PLL synthesized tuning, 19 FM/AM memory presets with auto station scanning.
  • Removable belt clip, stereo ear buds, trailing antenna included.
  • Auto 90-minute shut-off, high-impact ABS case.
  • Measures just 4.375 x 2.625 x .75 inches.
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FM Transmitter, Doosl Universal Wireless in-Car Radio Adapter FM Modulator Music Player & Hands-Free Calls for iPhone, Android

  • FM Transmitter, compatible with iPhone, iPad, iPod, Samsung, HTC, MP3, MP4 player and most devices with 3.5mm audio jack.Work with iphone 7,8,it need contact with lightning to 3.5mm adapter..
  • Internal 300mAh rechargeable battery, it can continuous play for 10 hours. You can enjoy your favourite music during your trip without any worries..
  • Supports the last FM frequency memory function, and uses PLL Phase-lock Technology to makes sure the stable output in all circumstances..
  • Supports hands-free phone conversation through the car stereo for safe driving..
  • Built-in digital tube display, easy to read and won't cause distraction in car.
  • Left and right buttons to adjust FM frequency, convenient to use..
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AT1-2200X Variable Frequency Drive Converter, 12 A 220V AC Single-Phase VFD Converter Motor Speed Controller for 3-Phase 2.2 kW AC Motor

  • Shaft Size: 5 x 8.5mm/0.2 x 0.33inch(Dia*H).
  • Motor Size: 24 x 19mm/0.94 x 0.75inch(Dia*H).
  • High step accuracy and resolution. low vibration and noise..
  • Stable and reliable performance, high efficiency.
  • Widely used on fan, warm air blower, electric heaters, burn oven, stage lighting equipment, microwave oven, lighting, Christmas gifts and other kinds of electrical appliances..
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Rigol DG1022Z 25 MHz Arbitrary Function Generator with Second Channel

  • 25MHz Function Generator, 2 Channel, 125MSa/sec, 16Bit Resolution, 2M Memory.
  • 2 Mpts memory depth (upgradeable to 8 Mpts).
  • Built-in high-order harmonic generator (at most 8-order harmonics).
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Juried Engineering RC4558P RC4558 4558 Dual Operational Amplifier IC Breadboard-Friendly DIP-8 (Pack of 5)

  • Continuous Short-Circuit Protection, Unity-Gain Bandwidth: 3 MHz Typ.
  • Wide Common-Mode and Differential Voltage Ranges,.
  • No Frequency Compensation Required, Gain and Phase Match Between Amplifiers.
  • Low Power Consumption, Low Noise: 8 nV/√Hz Typ at 1 kHz.
  • No Latch-Up, Example Applications: DVD Recorders and Players Pro Audio Mixers, Audio and Musical Electronics.
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Juried Engineering RC4558P RC4558 4558 Dual Operational Amplifier IC Breadboard-Friendly DIP-8 (Pack of 10)

  • Continuous Short-Circuit Protection, Unity-Gain Bandwidth: 3 MHz Typ.
  • Wide Common-Mode and Differential Voltage Ranges,.
  • No Frequency Compensation Required, Gain and Phase Match Between Amplifiers.
  • Low Power Consumption, Low Noise: 8 nV/√Hz Typ at 1 kHz.
  • No Latch-Up, Example Applications: DVD Recorders and Players Pro Audio Mixers, Audio and Musical Electronics.
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Juried Engineering RC4558P RC4558 4558 Dual Operational Amplifier IC Breadboard-Friendly DIP-8 (Pack of 12)

  • Continuous Short-Circuit Protection, Unity-Gain Bandwidth: 3 MHz Typ.
  • Wide Common-Mode and Differential Voltage Ranges,.
  • No Frequency Compensation Required, Gain and Phase Match Between Amplifiers.
  • Low Power Consumption, Low Noise: 8 nV/√Hz Typ at 1 kHz.
  • No Latch-Up, Example Applications: DVD Recorders and Players Pro Audio Mixers, Audio and Musical Electronics.
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Polk Audio HTS 10\ Subwoofer with Power Port Technology (Brown)

  • Front-firing long-throw 10” Polypropylene Dynamic Balance and Klippel optimized driver.
  • Floor-firing patented Power Port Technology for deeper bass response and reduced port noise.
  • Complete Control - built-in controls for variable volume low pass filter and phase (0/180°) for optimum bass levels..
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TWS Wireless Earbud, PXN Sense Buds X2 ANC+ENC Active Noise Cancelling Wireless Earphones, 60ms Low Latency in Ear Gaming Headset with 6 Mics for PS4,PS5, PC,Android and iPhone(Dongle)

  • Multi-Platform Compatible: PXN TWS gaming Earbuds Compatible with PS4,PS5,Nintendo Switch,Mac, Laptop, ipad, iOS device and Android device..
  • High Quality: SOC is the original phase 1806 noise reduction Bluetooth 5.1 chip, the chip is ultra-low power consumption. 35dB Active noise reduction technical, High-quality ENC algorithm for noise reduction calls, effectively suppressing 85 percent of environmental noise during calls..
  • Good Sound Quality: the use of PU composite membrane tweeters can effectively restore the powerful sound quality of middle, high and low frequencies. FPC touch control, Through gentle taps on the earbuds from your fingertips, easy to use..
  • Long Battery Life: The headset uses 4.5 hours in ANC mode, 5 hours in normal mode, and the charging box charges the headset 3.5 times, for a total battery life of 22 hours. The charging box has dual charging function, wireless charging and Tpy-c wired charging function..
  • Game Music Dual Mode: You can switch the headset mode at will, the game mode is 60MS with low latency, and the game is super easy. Customize PXN Audio APP, APP visualized operation, easy to customize sound configuration..
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