CW QRP Shortwave Radio Kit - CW Transceiver Shortwave Radio Kit
- ...ception, 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 the front and rear panels is in the mesh disk). Main indicators Power supply: 12V Working current: receiving ≈ 120mA @ 12V.
- Emission ≈ 1A @ 12V Transmitting power: 5W @ 12V Frequency range: 7.000mhz-7.100mhz, 1kHz / 100Hz step Working mode: CW transceiver, SSB receiver.
Check StockMC14046BCP Phase Lock Loop (PLL) IC 1.9MHz 1 16-DIP (0.300\
- ...0 V, RI = 5 k, High VCO linearity: 003c1% (typ.) at VDD = 10 V, 5-V, 10-V, and 15-V parametric ratings.
- Low frequency drift: 0.04%/°C (typ.) at VDD = 10 V, Choice of two phase comparators: Exclusive-OR network (I) Edge-controlled memory network with phase-pulse output for lock indication (II), Zener diode to assist supply regulation, Standardized, symmetrical output characteristics, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
- A Versatile Building Block for Micropower Digital and Analog Applications, Example Applications: FM demodulator and modulator, Frequency synthesis and multiplication, Frequency discriminator, Data synchronization, Voltage-to-frequency conversion, Tone decoding, FSK - Modems, Signal conditioning,.
Check StockFosi Audio BT30D-S Bluetooth 5.0 Receiver Amplifier 50 Watt x2+100 Watt Mini Hi-Fi Stereo Audio Class D 2.1 Channel Integrated Amp for Home Outdoor Passive Speakers/Powered Subwoofer
- 2.1CH Bluetooth 5.0 Power Amplifier: Exquisite design, improved operation, great sound performance..
- BT30D-S supporting Bluetooth and RCA input can drive most home passive speakers, passive/powered subwoofer. SUB volume/Frequency, Bass/Treble control ensure Hi-Fi music quality..
- BT30D-S wireless stereo amplifier adopts 2 pcs Texas Instruments TPA3116D2 chip. The TPA3116D2 are stereo efficient and digital amplifier power stage for driving speakers, with advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences. High-performance effectively improve output power and audio quality. Max power output up to 200Watt..
- Bluetooth 5.0 stereo audio amplifier receiver, increase the stability, sound quality and use distance, streaming range up to 50ft, works with latest devices including smartphone, tablet, laptop, computer, etc..
- What You Get: BT30D-S Amp x1, 24V/4.5A power supply x1, user manual x1, our worry-free 18-month warranty, and friendly customer service..
Check Stock1pcs/lot Brand CD4HC7046AE 74HC7046 DIP-16 Phase-Locked Loop
- ...0 V, RI = 5 k, High VCO linearity: 003c1% (typ.) at VDD = 10 V, 5-V, 10-V, and 15-V parametric ratings.
- Low frequency drift: 0.04%/°C (typ.) at VDD = 10 V, Choice of two phase comparators: Exclusive-OR network (I) Edge-controlled memory network with phase-pulse output for lock indication (II), Zener diode to assist supply regulation, Standardized, symmetrical output characteristics, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
- A Versatile Building Block for Micropower Digital and Analog Applications, Example Applications: FM demodulator and modulator, Frequency synthesis and multiplication, Frequency discriminator, Data synchronization, Voltage-to-frequency conversion, Tone decoding, FSK - Modems, Signal conditioning,.
Check Stock2 Pieces Digital FM Transmitter Module Stereo FM Transmitter DSP PLL 76.0 -108.0MHz Stereo Frequency Modulation with LCD Display Line/USB/Mic Input, DC 3.0V - 5.0V
- Good performance: thanks to the DSP and PLL technology, these multi-functional stereo FM transmitter modules can provide you with quality stereo.
- Practical design: the FM transmitter module has a blue backlit LCD display, allowing you to clearly see the value in a dark environment.
- The power consumption is extremely low, and noise interference is small.
- Suitable for: this digital FM transmitter supports line/USB/mic channel input, its transmitting frequency range is 76.0~108.0 MHz, and the frequency response range is from 50 Hz to 18 KHz.
- Frequency adjustment stepping is 0.1 MHz/ times when short press the key and 1.0 MHz/ times for long press.
- Wide uses: the digital FM transmitter module can be applied to FM wireless, USB PC broadcast, maternal and child monitoring, wireless microphone and much more.
- Warm notice: please confirm whether the power polarity and power voltage are correct before turning on the power.
- If the input voltage exceeds 5V or the positive and negative poles of the power supply are connected reversely, it may cause permanent destroy to the module.
- Do not touch the components on the back of the module while working, so as not to affect the normal operation of the module.
Check StockRCA 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.
Check StockJuried Engineering CD4046BE CD4046B CD4046 CMOS Micropower Phase-Locked Loop Breadboard-Friendly IC DIP-16 (Pack of 5)
- ...0 V, RI = 5 k, High VCO linearity: 003c1% (typ.) at VDD = 10 V, 5-V, 10-V, and 15-V parametric ratings.
- Low frequency drift: 0.04%/°C (typ.) at VDD = 10 V, Choice of two phase comparators: Exclusive-OR network (I) Edge-controlled memory network with phase-pulse output for lock indication (II), Zener diode to assist supply regulation, Standardized, symmetrical output characteristics, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
- A Versatile Building Block for Micropower Digital and Analog Applications, Example Applications: FM demodulator and modulator, Frequency synthesis and multiplication, Frequency discriminator, Data synchronization, Voltage-to-frequency conversion, Tone decoding, FSK - Modems, Signal conditioning,.
Check StockJuried Engineering CD4046BE CD4046B CD4046 CMOS Micropower Phase-Locked Loop Breadboard-Friendly IC DIP-16 (Pack of 10)
- ...0 V, RI = 5 k, High VCO linearity: 003c1% (typ.) at VDD = 10 V, 5-V, 10-V, and 15-V parametric ratings.
- Low frequency drift: 0.04%/°C (typ.) at VDD = 10 V, Choice of two phase comparators: Exclusive-OR network (I) Edge-controlled memory network with phase-pulse output for lock indication (II), Zener diode to assist supply regulation, Standardized, symmetrical output characteristics, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
- A Versatile Building Block for Micropower Digital and Analog Applications, Example Applications: FM demodulator and modulator, Frequency synthesis and multiplication, Frequency discriminator, Data synchronization, Voltage-to-frequency conversion, Tone decoding, FSK - Modems, Signal conditioning,.
Check Stock(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..
Check StockPlanar 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).
Check StockD Debra Audio PRO ER-202 UHF Dual Channel Wireless in Ear Monitor System with Monitoring Type for Stage, Recording Studio, Musicians, Monitoring(4 Bodypack with Transmitter)
- ...ng has the headphone jack. Back panel have 6.35 mixed input and two channel independent integrated interface input. Good used in stage, broadcast, recording studio, musicians, band performance..
- Feature Design: The transmitter has LCD display panel, RF and AF display. The receiver is equipped with LCD display, power supply and RF receiving indicator. The panel can monitor battery power..
- More Stable Signal, Longer Effective Distance: On an unobstructed open stage, the effective distance can reach 800 feet. The best range is within 500-600 feet. The good the signal-to-noise ratio of the dynamic range, the good anti-interference and the perfect original sound reproduction..
- Packing List: 1* transmitter, 4* bodypack receiver(with earphone), 2* antenna, 2* cable line, 1* power adapter, 1* user manual..
Check StockTomantery SWR Meter, Safe Wear Resistant UHF Radio 0.5-100W Iron for Ham Radio
- operation with pinpoint channel tuning accuracy.
- High/low power switch reduces power consumption.
Check StockBOYA by-WM8 PRO UHF Wireless Lavalier Microphone System, Wireless Transmitters& Receiver for Canon Nikon Sony DSLR Camera XLR Camcorder Phone Interview, Video Recording, Live Stream
- BOYA BY-WM8 Pro-K2 is an upgraded UHF Dual-Channel Wireless Microphone System for capturing audio with dual subjects, features an easy-to-read LCD display, a wide switching RF bandwidth, PLL-synthesized tuning and digital companding circuitry..
- Operation Range --- More than 6 Hours Continuous Operation,Operation range can reach up to 100m(300') (without obstacle) (Power supply: two AAbatteries).
- Headphone Monitoring --- the receiver is built with mic and headphone output jacks. The bodypack transmitter includes a MIC jack and LINE IN jack.
- Wide Compatibility --- Suitable for a wide range of wireless applications such as interviews, electronic news gathering (ENG), electronic field productions (EFP), film production, business and educational applications, Broadcast TV, News Gathering and more (Pls note: when work with smartphone, you may need to buy a extra adapter fit for your phone).
- BOYA Microphones Warranty: 12 months product warranty and post-sales service, if you are not satisfied with our product, please contact us.
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