Top Pll Frequency Control

XTUGA CM280 UHF 8 Channels Professional Gooseneck Microphone System Conference Mics Fixed frequency Super-low background noise&designed for large conferences, public speaking engagements (Frequency B)

  • UHF Wireless Microphone system:Ultra-high frequency 8-Channel UHF Gooseneck Conference wireless Microphone receiver and four professional antennas with high frequency stability and accuracy. The PLL digital phase-locked loop multi-channel frequency synthesis technology has small interference, more reliable transmission..
  • It consists of a eight-channel wireless receiver and eight transmitters of gooseneck condenser microphone with base,is a set of wireless conference equipment .It is a wireless system designed for large meeting places.UHF Professional Gooseneck Microphone with a flexible gooseneck, you can adjust to the best angle..
  • Independent mic volume control:Individual volume control to precisely balance and adjust vocal sound. Red LED lights above each volume knob enable users visualize the pair up between receiver and transmitters..
  • Metal receiver features 8 XLR outputs and one 1/4” audio output jack to connect to your amplifier, mixer, or other PA system..
  • This Microphone system comply with new FCC frequency rules.Fixed Frequencies:A：520.10Mhz,525.10Mhz,501.00Mhz,511.50M....
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Geva NIORFNIO 15W FM Transmitter Broadcast Wireless Adapter Stereo Station Long Range for Drive-in Church School Cars Supermarket AUX Input 2AQIX-T15B

  • 【Adjustable frequency】: Machine coverage frequency is FM full range 76-108MHz. Effortlessly avoid local radios and enjoy Hi-Fi stereo, the transmission distance of 3-4 km in the open air. FCC certified. FCC ID: 2AQIX-T15B.
  • 【Channel switching】: switchable stereo, mono Designed with advanced modulation system and built-in PLL frequency, audio pre-emphasis, limiter, and low-pass filter circuit..
  • 【High-fidelity Bluetooth】: you can connect wirelessly to mobile phones, tablets and other Bluetooth devices Good heat dissipation: using high-quality dual ball bearing fan, reasonable heat dissipation channels, excellent thermal performance..
  • 【PC control】: connect your computer via micro USB interface, plus supporting intelligent broadcasting software, to achieve diversification unattended broadcast. (time switch, time to play the specified music, etc) 1/4 wavelength of strong magnetic sucker antenna, can be tightly adsorbed on the car roof or any metal flat objects, easy to move the antenna to the outside, the roof, balcony or window, more effective transmission and reception of electron..
  • 【Excellent Heat Dissipation】: Aluminum alloy metal shell, good cooling effect, quiet fan With PC control, Intelligent Broadcast..
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1000W Long Range FM Broadcast Transmitter + 1 Bay Dipole Antenna + 30m Cable for Radio Station, Church, Home

  • ... 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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15W Wireless Audio Amplifier Portable Broadcast FM Transmitter Radio Station Equipment

  • This FM stereo transmitter that can be used for factories, schools, supermarkets, farms, Office space or create your own radio station..
  • Equipment using advanced modulation system and built-in PLL frequency, audio pre-emphasis,limiter,and low-pass filter circuit..
  • The Control circuit board design and amplifier design to reduce noise, so sound quality is even better..
  • Well-shielded, compact structure, small size, generous appearance, plug and play, very easy to use..
  • It can easy broadcast anywhere you want,home,apartment,church, school,club,camping,backyard,resident village..
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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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Modern Radio Reception (Classic Reprint)

  • 200mm Ferrite AM Antenna Bar Allows For Best AM Reception, 10 Memory Preset Stations (5 FM, 5 AM).
  • PLL Synthesized Tuning System for Excellent Reception and Stereo Audio Performance.
  • Alarm by Radio or HWS (Humane Wake System) Buzzer and Sleep Timer.
  • Includes Switching AC Adapter 100-240V, 50/60Hz.
  • Easy to Read LCD Display with Backlight and Battery Power Indicator.
  • TUNER: FM – Frequency (megahertz) = 87.5 – 108. Frequency (kilohertz)= 522 – 1629 (9k)/ 520 – 1710 (10k).
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BaseWish 7W 1W FM Transmitter Mini Radio Stereo Station PLL LCD with Antenna and 3.5mm Audio Cable for Drive-in Church SuperMarket School Black

  • FCC Certified: FCC ID: 2ASVO05B7CT200. Two power mode: 1W and 7W. The frequency range: 76M to 108Mhz..
  • High Stability: The motherboard is adopted by next-generation integrated NC FM stereo radio transmitter chip BH1415, built-in PLL advanced modulation....
  • Clear Stereo Sound: The control panel is consisted of AT89C2051 and AT24C02.
  • There are three power amplifier(two 2SC3355 and one 2SC2053) to ensure....
  • Excellent Heat Dissipation: The chassis using high quality aluminum alloy material, lightweight and excellent heat dissipation..
  • Easy to Use: Panel use LCD to display the transimssion frequency, easy to adjust and it is intuitive..
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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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CZE-7C 7W 1W FM Transmitter, Mini Radio Stereo Station PLL LCD with 3.5mm Audio Cable, for Drive-in Church Supermarket School, Black

  • FCC Certified: FCC ID: 2ASVO05B7CT200. Two power mode: 1W and 7W. The frequency range: 88.1-107.9MHz..
  • High Stability: The motherboard is adopted by next-generation integrated NC FM stereo radio transmitter chip BH1415, built-in PLL advanced modulation system, audio pre-emphasis, limiter and low pass filter circuit to achieve high fidelity, high stability signal transmission..
  • Clear Stereo Sound: The control panel is consisted of AT89C2051 and AT24C02.
  • There are three power amplifier(two 2SC3355 and one 2SC2053) to ensure that the great sound quality ouput effect..
  • Excellent Heat Dissipation: The chassis using high quality aluminum alloy material, lightweight and excellent heat dissipation..
  • Easy to Use: Panel use LCD to display the transimssion frequency, easy to adjust and it is intuitive..
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Sangean TB-100 TOUGHBOX FM/AM/Aux Ultra-Rugged Digital Rechargeable Radio, Green

  • Rain resistant (JIS4), dust resistant & shock resistant.
  • Wireless communication technology: Radio Frequency.
  • Connectivity technology: Radio Frequency.
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iSound Smart Tune 2 in 1 - Wireless FM Transmitter with Rechargeable Battery & Included Car Charger

  • Wireless FM transmitter compatible with iPad, iPhone, iPod, and smartphones, MP3 players and any audio device with a 3.5mm audio jack.
  • Powered by rechargeable built-in lithium battery - no drain on the battery of your audio device.
  • High fidelity stereo with full frequency range of 100Hz to 15,000Hz for full bodied wireless sound reproduction. Can also be used for phone calls through the vehicle sound system..
  • Bright LCD displays FM frequency with backlight for low light viewing. Includes soft touch key design and holds last frequency in memory even when powered off..
  • Transmits to FM radio frequencies from 87.5MHz to 108.0MHz with PLL to ensure clearest reception even in large cities with many active radio stations..
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IEM1200 Wireless in Ear Monitor System 2 Channel 2/4 Bodypack Monitoring with in Earphone Wireless Type Used for Stage or Studio 4 Bodypacks

  • UHF WIRELESS IN EAR MONITOR SYSTEM-UHF band Phase lock PLL,Improved comprehensive performance, anti-frequency drop, anti-series frequency. Frequency....
  • USED IN STAGE PERFORMANCE AND SOUND BROADCASE-Built-in Limiter circuitry eliminating distortion under excessive input levels. Front panel 1/4-inch....
  • DESIGN FEATURES(APPERANCE AND DISPLAY)-Elegant liquid crystal display panel and LCD display low-battery indicator on the receiver.With power and RF....
  • WIRELESS RANG AND FREQUENCY RANG-IEM1200 in ear monitor and receiver system offers tabletop stage monitoring with a wireless range of up to 300....
  • QUALITY AND TECHNOLOGY GUARANTEED-Using advanced circuit design,clear the receiving blind angle to make the system's receiving signal steady.The....
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