Top Pll Digital Frequency Synthesis

Supersonic - Bluetooth Clock Radio, Alarm Clock Radios - Black (SC-381BT)

  • Built-in Bluetooth to play audio from other Bluetooth devices.
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Supersonic SC-383U Dual Alarm Clock Radio with USB Charging Port

  • 1 amp USB charging port offers an easy way to charge smartphone or other portable electronics.
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AudioControl LC2i PRO 2-Channel Line Output Converter and Tile Lost Vehicle Finder Bundle. AccuBASS LOC with Impedance Matching, GTO, Audio Signal Sense, 12V Turn-On and ACR-1 Dash Sub Remote Control

  • Using quartz crystal for frequency stabilization, and receiving frequency will not drift when temperature changes.
  • Using professional audio DSP to process and analyze audio signal, auto mute when there is no signal or week signal as big FM base noise, in order to get rid of the annoying rustle of traditional FM radio.
  • Advanced digital audio signal processing (DSP) and FM phase-locked loop modulation technique (PLL) ensure less sound distortion and more stable performance.
  • Using incremental digital 360° rotating encoder to adjust volume and frequency, which is accurate, stable, durable, and also offers comfortable hand feeling.
  • LCD display is more intuitive and accurate, and has very low power consumption and tiny noise interference.
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LKHF 3.5mm FM Transmitter LCD Diaplay in-car Music Audio Wireless Transmitter for Car Mobile Phones MP3 MP4 Player Tablet

  • Hands-free Function: Our products support hands-free function, to ensure that you are convenient to answer the phone while driving, and also ensure your safety..
  • LCD Display: With large LCD screen, FM frequency can be clearly seen. High-fidelity stereo, giving you a better music experience..
  • Stable Transmission: Digital PLL, transmission is stable in different environments. Memory for last frequency. Full frequency range: 87.5 - 108.0MHz. Transmitting distance up to 15 m / 49ft. Equipped with power-off memory, which can store the current playing frequency..
  • Rechargeable Lithium Battery: It has a USB interface and is equipped with a USB charging cable for you to charge conveniently. Powered by rechargeable built-in lithium battery, do not need to use the phone's power..
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(5PCS) ICS91730AMLFT IC CLOCK GENERATOR LOW EMI 8SOIC 91730 ICS91730

  • PLL and divider :The chip of this signal generator has a 25MHz accurate reference voltage source, and has a PLL and frequency divider inside, so it can generate almost any frequency..
  • three independent outputs :The signal generator has three independent outputs, and each output can have a different frequency..
  • 3.3V LDO regulator :This convenient small chip has a 3.3V LDO regulator and can be powered by 3-5VDC..
  • level shift circuit :There is a level conversion circuit on the I2C line. Generally speaking, you can safely use the chip at 3V or 5V..
  • sleep function :The signal generator has a sleep function, which can reduce power consumption and is very economical and environmentally friendly..
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AUNE X1s GT DAC with Headphone AMP, PLL Technology Desktop HiFi Decoder

  • PLL (Phase Locked Loop) Technology: The X1s GT uses a high-performance PLL chip of ADI. The jitter is very low. It took half a year to finish the whole program design. The PLL core outputs low-jitter clock signals according to the music currently being played simultaneously to XMOS and DAC. Therefore, the digital signals are better..
  • Clock synchronization and External clock input technology: The X1s GT supports 10M external clock input. And it achieves clock synchronization of the whole device. The clock signals from PLL are synchronized by XMOS and ES9038Q2M. The DAC is working in the synchronized mode. PLL works in all digital input modes: USB, coaxial, optical..
  • Complex Fully-discrete Headphone AMPs: The X1s GT’s amp board has 4 fully-discrete headphone amplifiers. 277 parts and components in total, among which, 96 are BJTs. It uses ±9v power supply. It’s a “huge” amp board compared to those of the same level DACs with amps. The hardware performance is outstanding..
  • Unique Filter Modes: Instead of using the ES9038 series’ default filter modes, we designed 4 filter modes for the X1s GT with our own algorithm. The X1s GT was designed to be a special product. It must have its characteristics and they show our understanding of music..
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2 Pieces Digital FM Transmitter Module Stereo FM Transmitter DSP PLL 76.0 -108.0MHz Stereo Frequency Modulation with LCD Display Line/USB/Mic Input, DC 3.0V - 5.0V

  • Good performance: thanks to the DSP and PLL technology, these multi-functional stereo FM transmitter modules can provide you with quality stereo.
  • Practical design: the FM transmitter module has a blue backlit LCD display, allowing you to clearly see the value in a dark environment.
  • The power consumption is extremely low, and noise interference is small.
  • Suitable for: this digital FM transmitter supports line/USB/mic channel input, its transmitting frequency range is 76.0~108.0 MHz, and the frequency response range is from 50 Hz to 18 KHz.
  • Frequency adjustment stepping is 0.1 MHz/ times when short press the key and 1.0 MHz/ times for long press.
  • Wide uses: the digital FM transmitter module can be applied to FM wireless, USB PC broadcast, maternal and child monitoring, wireless microphone and much more.
  • Warm notice: please confirm whether the power polarity and power voltage are correct before turning on the power.
  • If the input voltage exceeds 5V or the positive and negative poles of the power supply are connected reversely, it may cause permanent destroy to the module.
  • Do not touch the components on the back of the module while working, so as not to affect the normal operation of the module.
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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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JENSEN JCR-231 Digital AM/FM Dual Alarm Clock Radio with Wave Sensor

  • AM/FM Receiver with PLL Tuning and 20AM + 20FM Presets, Auxiliary Input Jack for Connecting Your iPod, MP3 or other Digital Audio Players.
  • Dual Alarm with Snooze and Weekend Cancellation, Wake to Radio or Alarm, Sleep to Radio, 7 Time Zones and Daylight Saving Time Switchable.
  • 1.2” Green LED Display, High/Low Dimmer Control, Calendar and Indoor Temperature Display, Power Saving Mode - Display Automatically Turns Off after 15 seconds to Conserve Energy.
  • Infrared Snooze Sensor, Infrared Display Indoor Temperature, Alarm Time or Radio Frequency Sensor.
  • Power: AC120V 60Hz, Battery Back-up for Clock: 1 x CR2032 Lithium Battery (Not included).
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Ultra Care Pro Machine 1 Mhz Body.Therapeutic Provides Therapeutic deep Heat Treatment for Relaxation

  • One of the Largest selling unit worldwide, Frequency 1 Mhz, Microprocessor controlled Digital Unit.
  • Pulsed and Continuous application, Durable body with one comfortable wide transducer for broader part of body.
  • Therapeutic provides therapeutic deep heat treatment for Relaxation, Reduce swelling and inflammation. Promote the synthesis of proteins inside the....
  • Frequency : 1 MHz, Output : 15 Acoustic, Head : 3.0 watts/cm2 Treatment Time : 0-30 Min Modes: continuous and pulse waves. Available voltage:....
  • Main Unit : 01 Qty. Applicator :01 Qty. Power cord :01 Qty Instruction Manual :01 No.
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CW QRP Shortwave Radio Kit - CW Transceiver Shortwave Radio Kit

  • The patch device of the main control board has been pre welded and connected to the base plate in the form of stamp hole. The single chip microcomputer adopts pic16f1938, builtin PLL local oscillator, supports crystal oscillator calibration setting, and has its own frequency indication circuit (Seven Segment LED nixie tube is used, the display unit is 1kHz, the photo has color difference, and the actual color is red. The working frequency covers 7.000-7.100mhz, 1kHz or 100Hz steps )..
  • Ta2003 mixer is used for reception, and crystal filter is used for if. After ta2003 multiplication detection, the sound size is adjusted by digital potentiometer and sent to audio active filter circuit. Finally, LM386 drives speaker, and if frequency supports calibration setting..
  • Use 3 bs170 parallel outputs, class E amplification, 12V power supply, output power 5W! Relay switching is used for transceiver, with the function of transmitting delay adjustment to avoid frequent relay switching and improve the isolation of transceiver channel..
  • It has the function of automatically sending call signs, which is very convenient to use. The MCU uses the original code of our store, which can adjust the code speed, sidetone frequency and sidetone size. It can input the call sign by ....
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Touch Screen FM Transmitter 2000W FM Transmitter Antenna+30m Cables for Radio Station Fm Stereo Transmitter Long Range FM Broadcast Transmitter

  • Touch Screen without buttons make setting more easily.This is the RS-CM600Wproduct,All-digital technologies DSP+PLL, better sound quality.Upgrade frequency step to 10Khz. You can set the automatic startup and shutdown time..
  • Exquisite craftsmanship，Standard 19 inches, 2U whole aluminium alloy cabinet.Wiredrawing and oxidation makes surface bright,clean and elegant.Big LCD display all the parameters in real time. displays working frequency, volume,FETMOS temperature, forward power and SWR..
  • Provided with the series of protection function, own active protection and raise alarm .prompts once meet any trouble while working.Accurate operating index and perfect protection measures make you are more aware of the operating status of your machine..
  • Easily installation and simply operations. High quality and excellent technical performances. AGC circuit to keep the Output Power stability..
  • Each machine has been examined strictly by a series of quality inspection and function test to guarantee best operating function..
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