ReviewsPll Noise Figure

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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Saramonic UwMic9 96-Channel Omnidirectional UHF Wireless Lavalier Microphone for iPhone Android DSLR Camera Interview, ENG, Podcast Vlog Video, with Audio Monitor 2 Transmitter 1 Receiver

PERFECT AUDIO SOLUTION --- The Saramonic UWMIC9 Wireless Lavalier System features two wireless transmitters and one receiver made of metal fuselage, which has a muting function and a crystal-controlled PLL synthesiser to capture stable, noise-free audio. Perfect microphone for camera phone video recording vlog podcast interview..
ADJUSTABLE & MONITORING --- The RF power output can be switched between high, medium and low settings. Two omni-directional lavalier microphones are included with a windscreen to reduce wind noise. A dedicated headphone jack is handy for audio monitoring, ensuring accurately adjust levels for optimum audio quality..
TECHNICALLY VERSATILE --- With 2 groups (A and B) and 96 selectable channels in the 514-596 MHz UHF frequency range, the working distance is up to 330-feet in open areas or 200-feet with obstacles..
LCD DISPLAY --- The lattice LCD displays for input accuracy. A 1/8'' BMP-type mic input on each transmitter for attaching lavalier microphones. The AUTO-SCAN function automatically discovers available frequencies. A 3.5mm output on the receiver delivers audio directly to your devices..
EASY TO USE & WIDE COMPATIBILITY --- Lapel clips for attaching them to clothes. The receiver has a shoe adapter for quick mounting to a DS....

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ASHATA 3.5MM Audio Head Mobile Phone/Pad/MP3/MP4/MP5/Tablet FM Transmitter Built in 300mAh Battery Car Radio Transmitter

WIDELY APPLICABLE: FM transmitter, suitable for iPhone, for iPad, for iPod, for Samsung, for HTC, for MP3, for MP4 player and most devices with 3.5mm audio jack..
UPGRADE TECHNOLOGY: Supports FM's last frequency memory function and uses PLL phase locking technology to ensure stable output under all conditions..
HANDS FREE CALLS: High performance microphone with Noise Suppression (CVC) technology, grants you crystal clear call. Answering/redialing/dismissing or ending call just simply click a button. Also support private call. make you drive more safely..
SUPER LONG STANDBY: Built in 300mAh rechargeable battery for 10 hours of continuous playback. You can enjoy your favorite music on the trip without any worries..
EASY TO USE: Built in digital tube display, easy to read, will not cause distraction in the car. Left and right buttons to adjust the FM frequency, easy to use..

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IEM1200 Wireless in Ear Monitor System 2 Channel 2/4/5 Bodypack Monitoring with in Earphone Wireless Type Used for Stage or Studio (5 Bodypacks)

UHF WIRELESS IN EAR MONITOR SYSTEM-UHF band Phase lock PLL,Improved comprehensive performance, anti-frequency drop, anti-series frequency. Frequency range: 550 MHz-580 Mhz. In the 32MHz frequency band, the preset 40 frequencies can be switched at will. The dynamic expansion circuit greatly improves the signal-to-noise ratio.
USED IN STAGE PERFORMANCE AND SOUND BROADCASE-Built-in Limiter circuitry eliminating distortion under excessive input levels. Front panel 1/4-inch stereo monitoring has the headphone jack.Used in stage，it can replace traditional comples sound monitoring equipment,achieve admirable listening effect.
DESIGN FEATURES(APPERANCE AND DISPLAY)-Elegant liquid crystal display panel and LCD display low-battery indicator on the receiver.With power and RF receiving indecator lamp. It using two AA batteries and efficient power circuit,longservice time.The metall housing makes it sturdy and durable.
WIRELESS RANG AND FREQUENCY RANG-IEM1200 in ear monitor and receiver system offers tabletop stage monitoring with a wireless range of up to 300 feet,THE normal can be 250FT-350F.Also improve the signal-to-noise ratio of the dynamic range so that the system has the best anti-interference to show the perfect original sound again.

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RCA Alarm Clock Radio with NOAA Weather Alerts – Digital Clock with Alarm and Snooze, AM/FM/Weather Band Radio, Dimmable Display, AC Powered (RCDW10) , Black

Receives NOAA weather alerts to keep you informed of severe weather and natural disasters including, floods, hurricanes, tornadoes, and earthquakes.
Digital PLL Tuned AM/FM/Weather Band Radio.
Alarm, snooze and sleep functions makes this ideal for bedside use.
Adjustable, telescoping antenna for the best possible reception.
“No Worry” battery backup option (9V battery not included) – when your power goes out, there is no need to worry, the time and alarm setting will be retained.
NOAA weather alerts, digital clock, AM/FM radio, AUX input, digital PLL tuned, AC power plug.

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IEM1200 Wireless in Ear Monitor System 2 Channel 2/4 Bodypacks Monitoring with in Earphone Wireless Type Used for Stage ，Studio and Church (2 Bodypacks)

UHF WIRELESS IN EAR MONITOR SYSTEM-UHF band Phase lock PLL,Improved comprehensive performance, anti-frequency drop, anti-series frequency. Frequency range: 550 MHz-580 Mhz. In the 32MHz frequency band, the preset 40 frequencies can be switched at will. The dynamic expansion circuit greatly improves the signal-to-noise ratio.
USED IN STAGE PERFORMANCE AND SOUND BROADCASE-Built-in Limiter circuitry eliminating distortion under excessive input levels. Front panel 1/4-inch stereo monitoring has the headphone jack.Used in stage，it can replace traditional comples sound monitoring equipment,achieve admirable listening effect.
DESIGN FEATURES(APPERANCE AND DISPLAY)-XTUGA in ear monitor system with elegant liquid crystal display panel and LCD display low-battery indicator on the receiver.With power and RF receiving indecator lamp. It using two AA batteries and efficient power circuit,longservice time.The metall housing makes it sturdy and durable..
WIRELESS RANG AND FREQUENCY RANG-IEM1200 in ear monitor wireless and receiver system offers tabletop stage monitoring with a wireless range of up to 300 feet,THE normal can be 250FT-350F.Also improve the signal-to-noise ratio of the dynamic range so that the system has the best anti-interference to show the perfect ....

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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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EXMAX UHF-938 UHF Acoustic Transmission Wireless Headset Microphone Audio Tour Guide System for Church Translation Teaching Travel Simultaneous Interpretation Tour (1 Transmitter and 20 Receivers)

...ation church translation system could transmit the voice of who speaks to the microphone of transmitter to the people who wear earphone of the receivers,transmission distance is about 150 meters/492ft.This EX-938 voice acoustic transmission equipment helps tour groups/speakers/lecturers/minister overcome background noise and keep social distancing..
【11 select-able UHF Channels all multigroup working】11 select-able UHF Channels allow at least 5 groups working simultaneously on different channel ID without interference.Each group uses unique Channel ID and different groups uses different Channel ID.One EX-938T transmitter could pair with many many EX-938R receivers within working distance so long as they are on the same Channel ID. PLL frequency synthesized technology ensures stable and reliable voice transmission performance..
【Easy Operation】AA batteries as power supply,low power consumption design for long working time over 15 hrs,easy operation on battery replacement,no built-in battery makes it conveniently to be taken on flight.EX-938T transmitter has two input jacks, AUX and MIC,AUX is for external audio input, such as music playing from CD or MP3/MP4 player.
MIC is for real-time human voice inputting,such as teaching,training, tourin....

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LANTRO JS RF WideBand Amplifier 433MHz 22dB High Gain Low Noise LNA Amplifier

【Product Parameters】- Working Voltage: 3---5V.
Protect-----This strong heavy duty tool bag can protect your tools from water and dust.
【Scope of Application】- The product can be applied to various RF receiving front ends, used for shortwave, FM broadcasting, remote control receivers, cable TV signal amplifiers and other RF signal amplifications that require low noise.
【Excellent Performance】-The radio frequency amplifier is made of high-quality electronic components and has the advantages of high gain, low noise figure, etc.
【Low Noise】- The noise factor is as low and 0.55dB, which is quite small.

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Dpg-200 Vacuum Transducer with

-10dBm LO Power Consumption: Provides +24dBm third order intercept point, can achieve -10dBm LO power consumption, without high power LO drivers, there are no corresponding shielding and isolation problems, can improve system performance and reduce costs.
Single Power Supply: The mixer module is designed to be powered by a single power supply, and the RF, IF and LO ports have DC isolation capacitors for easy use.
10.3dB SSB Noise Figure at 70MHz: With the output amplifier and optimal source impedance of this mixer module, the SSB noise figure is 10.3dB at 70MHz. There is no insertion loss, no external duplexer, and no passive termination.
Low Distortion and Wide Dynamic Range: AD831 is a low distortion, wide dynamic range, single chip mixer, very practical.
Wide Application: Suitable for applications such as RF‑IF down conversion in HF and VHF receivers, second mixer in base stations, DC baseband conversion, quadrature modulation and demodulation, and Doppler shift detection in imaging.

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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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