Reviews Pll Filter Design

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..

5Pcs 2X062H Microwave Oven High Voltage Diode Rectifier

• 433MHz version conforms to EN 300 220-3 and EN 301 489-3.
• High performance double superhet. PLL synthesizer with TCXO.
• Data rates up to 5 kbps for standard module.

Planar PLL2450MW 24' LCD Monitor , black

• The Planar PLL2450MW offers enough screen real estate to view multi-page documents or watch videos, but its smaller footprint is ideal for space-constrained desktops.
• The Planar PLL2450MW offers wide viewing angles and excellent color balance while maintaining a quick refresh rate. Blue light reduction pre-sets help lower eye fatigue and maintain visual comfort.
• Featuring a 100mm VESA compatibility for easy wall or arm mounting, the Planar PLL2450MW pairs well with Planar's accessories, including the Dual Monitor Stand.
• The Planar PLL2450MW includes Planar's leading Planar CustomerFirst 3-Year Warranty featuring FREE 2-Day Advance Replacement.
• Compatibility-PC and Mac (adapter may be required for Mac).

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..