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Best Pll Time Constant

Sangean DT-200X FM-Stereo/AM Digital Tuning Pocket Radio Black & PR-D7 BK AM/FM Digital Rechargeable Portable Radio - Black (PR-D7BK)

  • Product 1: Am/ FM-Stereo pocket radio with drift-free PLL Synthesized tuner and built-in speaker.
  • Product 1: 19 radom AM/FM memory presets with Auto station Scanning and auto seek.
  • Product 1: 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.
  • Product 1: Removable belt clip, stereo earbuds, trailing antenna included.
  • Product 2: 5 AM & 5 FM memory preset stations.
  • Product 2: PLL synthesized tuning system.
  • Product 2: Alarm by radio or Humane Wake System buzzer.
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ETON Grundig YB400PE AM/FM Shortwave Radio (Discontinued by Manufacturer)

  • Receives AM, FM, continuous shortwave, and SSB (single sideband).
  • Tuning via up/down buttons, auto-scan, and a numeric keypad.
  • High-quality circuitry and a digital PLL tuner.
  • Dual clocks allow you to track the time in two time zones.
  • Can be powered with the included AC adapter, or via six "AA" batteries.
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1000W Long Range FM Broadcast Transmitter + 1 Bay Dipole Antenna + 30m Cable for Radio Station, Church, Home

  • ...ayers and computers. You will love the ability to broadcast your favorite music and audio sources to any FM radio..
  • [Excellent Heat Dissipation] : This FM broadcast transmitter with a fan heat sink and high-quality aluminum alloy material, which can effectively extend the life of the device. Even if works for a long time, it will not be hot..
  • [Adjustable Frequency Response] : The frequency of our digital FM transmitter can be adjustable, set up your own channel according your needs.You are sure to find a frequency to broadcast your favorite audio source..
  • [Transmits Using PLL Technology] To give you the best transmission signal possible we insisted that our FM Transmitter use PLL (or Phase Lock Loop) technology so you won’t have to worry about the transmission drifting like on FM transmitters or for that matter some other FM Transmitters out there on the market..
  • [FCC certificated] Our fm stereo transmitter complies with FCC certificate( FCC ID:2A6BQ-YXHT). Put our customers first, our factory provides 6 years warranty for this professional broadcast transmitter, you’ll have no worries to use it for the radio station..
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GPX C303B Dual Alarm Clock AM/FM Radio with Time Zone/Daylight Savings Control (Black)

  • Digital AM/FM radio (PLL) with USB port for mobile phone charging.
  • Dual alarm feature lets you wake gradually radio or alarm.
  • Clock has an Auto time set feature that can be adjusted by pressing the Time Zone button.
  • AC power adapter included, but also runs on a CR2032 backup battery (pre-installed).
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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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(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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Sangean DT-400W AM/FM Digital Weather Alert\nPocket Radio

  • Digital AM/FM/NOAA Public Alert Weather Radio with PLL Synthesized Tuning.
  • 19 Random Presets for AM/FM/WX with My Favorite Station Select Button.
  • Real Time Clock, Sleep Timer, Auto Seek and Optional 90 Minute Auto Shut Off.
  • Built-In Speaker with DBB (Dynamic Bass Boost), Large Backlit LCD Display and Stereo Headphone Output.
  • Removable Belt Clip, FM Wire Antenna and Earbuds Included, Uses 2 AA Batteries (not included).
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The Listening Device

  • Retekess tour guide headset systems include mic, earphones, receiver, transmitter.
  • charge case storage box can charge for 1pcs T130 transmitters and 15pcs T131 receivers at the same time.
  • with our T130 portable audio guide systems, you can count on crisp, clear sound performance.
  • overcome noise and distance issues and make sure your message is heard.
  • T130 wireless tour guide system can cover a group of people within a range of 50-60m.
  • you can also add numerous receivers to one transmitter in case you have a larger crowd.
  • avoid audio conflicts when you schedule more than one tour at a time, choose a channel that no one else is on, and you will not hear any crosstalk.
  • you can also translate in a second language with different channels in multicultural church (interpreter required).
  • Assistive listening system has one way audio transmission function.
  • you only need to use your own AUX cable to connect the transmitter and some external media devices.
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Unique 200 Hours Back-up Battery Life Time Standby 16 Siren Volume EOM Detection Display Event Message and Effective Time at a Glance Reecom R-1630C Same Weather Alert Radio Light Grey

  • 16 Siren Volume Level Controls For Home / Office Use, Highest Reception Sensitivity On the Market. S.A.M.E. Alert Technology, 7-Channel Digital PLL....
  • Unique Event Effective Time Display - Auto Count Down (from 15 mins to 6 hours expiration time issued by NOAA) for up to 25 Active Events....
  • Defeat Siren Function - settable for up to 48 event messages to Siren Enable / Disable..
  • Unique E.O.M (End Of Message) Detection Function - automatically returns to the previous state immediately before alert receiving (continuing with its....
  • 25 Event memories with Date / Time History, 26 County code (SAME#) memories..
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Gustard GUSTARD X18 DAC MQA ES9038 PRO Bluetooth 5.0 XU216 Processor LDAC HD PCM768kHz DSD512 High-Performance Audio Decoder (Black), DAC-X18

  • ESS9038 PRO chip：ES9038PRO from ESS, with independent power and grounding, provides the best sound..
  • CPLD Complex Programmable Logic Device ：self-constructed digital integrated circuits with logic functions, clock management, 2nd PLL, digital shaping, DOP decoder, PCM /DSD depop switch and other exclusive technologies have laid a solid foundation for excellent sound quality.
  • ACCUSILICON Femtosecond crystal oscillator AS318-8：Two AS318-8 Hi-End audio oscillators from Accusilicon, with jitter in fs level..
  • XU216 from XMOS supports up to PCM768 & DSD512.Support APTX LL, APTX HD and LDAC (up to 24Bit/96KHz). Bluetooth can be disabled in menu..
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DC Buck Converter, DROK DC to DC Step Down Power Supply Module 10V-65V to 0-60V 0-12A Adjustable Voltage Regulator Transformer Board with LED Display for Volt Reducer

  • Output current range is 0-12A, can be arbitrary adjustable.
  • 【LED Display】This power supply module is designed with LED display, which can show real-time voltage, current, capacity and time..
  • 【Constant Current and Voltage with Indicator Lights】This volt transformer board can set constant output voltage and constant output current by the key buttons. Also, the module is equipped with working status indicator lights, which are output OUT, constant voltage CV and constant current CC respectively, so that the working status can be checked in real time..
  • 【Auto Output and Button Lock Mode】Automatic output can be set after power on. And The parameter adjustment button can be locked to prevent misoperation to adjust the output voltage and current parameters..
  • 【Cooling fan and cooling pad】This adjustable power supply converter is equipped with cooling fan and cooling pad which can keep it cool when it’s too hot..
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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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Bedside Alarm Clock Bluetooth Speaker FM Radio Lightning Dock for iPhone X 5S 5C 6 6+ 6S 7 7+ iPad Air Mini iPod,Black

  • - powerful compatible system support: ipod Nano / ipod TV / ipod3 / ipad3 / ipad4 and other charges while enjoying music playback and music on / under....
  • - Support NFC wireless communication technology, fast Bluetooth auto perfect matching connection, support APT-X high-quality audio technology, A2DP....
  • - PLL electronic FM stereo FM radio, receiving frequency: 87.0-108.0MHz, step 0.1MHZ, 30 radio memory function, configure the FM external antenna..
  • - built-in TF card, card at the same time D9 will automatically play TF card music (built-in music by the use of any replacement).
  • - Product Size: (L) 150m * (W) 110mm * (H) 50mm.
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