Best Pll Filter Design

FM Transmitter Broadcast Wireless Adapter Stereo Station Long Range for Church School Drive-in Cars Supermarket AUX Input FCC Certified

• 【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-accent, limiter and low-pass filter circuit..
• 【Heat Dissipation】: Using high-quality double ball fan, , Intelligent wind speed control, a reasonable cooling channel, first-class thermal performance..
• 【Bluetooth & PC control】Hi-Fi Bluetooth input, connect your computer via micro USB interface, plus supporting intelligent broadcasting software, to achieve diversification unattended broadcast..
• 【Fashion appearance】: All aluminum alloy shell, heat-resistant high-quality, corrosion-resistant.
• panel using drawing technology, exquisite beauty, buttons with convex cylindrical design, feel comfortable..

CW QRP Shortwave Radio Kit - CW Transceiver Shortwave Radio Kit

• ...cillator 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 itself (in automatic key mode) and support power down saving..
• The PCB board of this kit can be conveniently put into the 88 * 30 * 120mm aluminum chassis (the shell needs to be prepared by itself, and the opening size of....

(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..

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..

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.

Sangean PR-D7 AM/FM Digital Rechargeable Portable Radio - White, One Size

SNGPRD7-SANGEAN PRD-7 Digital AM/FM Portable Radio

• Features Fully Pll-Synthesized Tuning System.

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.

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.

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..

JENSEN SMPS-628 Under Cabinet Universal Bluetooth Music System

• Supports A2DP, NFC for Easy Pairing, FM Stereo Receiver with Presets and PLL Digital Tuning.
• Auxiliary Input Jack for Connecting Your iPod, MP3 or other Digital Audio Players.
• Hands-free Speakerphone with Built-in Microphone for your Bluetooth Enabled Phone.
• Multi-function LCD Display, Digital Volume Control, Clock with Timer Space-Saving Under Cabinet Design, Mounting Hardware Included, Built-in 4x LED Work Area Light.
• Power: 120V AC Adaptor (included), Battery Back-up: 2 x “AAA” Batteries (not included).

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..

Sangean LB-100 Ultra Rugged Compact AM / FM Radio Yellow

• Rugged Industrial Grade Digital PLL Synthesized AM / FM Radio with 10 Station Memory Presets (5 AM, 5 FM) and Dynamic Loudness.
• Rain Resistant to JIS4 Standard, Dust and Shock Resistant with Rubber Shock-Blocks.
• Compact Roll-Cage Protective Design Resists Impacts and Drops while Remaining Highly Portable, Rugged Rotary Tuning and Volume Controls with Durable ABS Plastic Body.
• 5 1/4 Inch Water Resistant High Powered Speaker, Backlit Display and Compact Flexible Antenna.
• Operates with 6-foot Attached AC Power Cord or 4 C Batteries (not included).