Top Khz Range Crystal

Pulse Generator, DROK 2pcs LCD Display PWM Frequency 1Hz-150kHz Duty Ratio 0-100 Percent Adjustable Square Wave Rectangular Wave Signal Generator Board

  • DROK pulse generator module operating voltage range is DC 3.3-30V, adjustable pwm frequency range is 1Hz-150kHz, adjustable duty ratio range is 0%-100%..
  • Application: it can be used as a square wave signal generator, generate square wave signal for experimental development.
  • generate square wave signal to control the motor driver.
  • generate adjustable pulse to control the relevant circuit (PWM dimming speed application etc)..
  • High Frequency Resolution: frequency in range 1Hz~999Hz, display resolution is 1Hz.
  • range 1.00kHz~9.99kHz, display resolution is 0.01kHz.
  • range 10.0kHz~99.9kHz, display resolution is 0.1kHz.
  • range 1kHz~150kHz, display resolution is 1kHz..
  • TTL Level Communication: the frequency meter is designed with single-chip TTL level communication, communication standard is 9600 bps..
  • LCD Display: the blue LCD clearly displays frequency and duty ratio, PWM output can set frequency and duty ratio independently..
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Rockville RWM1202VH VHF Wireless Dual HandHeld Microphone System/Metal Receiver

  • System: Operating Range: 100´-200´(indoor), 65´-165´(outdoor). Channel: Two Channel. Frequency Range: 170MHz - 260MHz. Frequency Response: 80MHz-12000MHz. Frequency Width: 32Mhz. Dynamic Range: 110dB. Operating Temp: 14°F – 122°F. Oscillation Mode: Quartz Crystal. Frequency Stability: ±0.005%. Modulation Mode: VHF.Frequency Response: 80Hz – 8 KHz (±3 dB). Harmonic Radiation :< 63dBm. S/N: 60dB. RF Output Power: 10mW. Power Voltage: AC110V/ 220V - 50/60Hz..
  • Mic Battery: AA x 2. Receiver:. Sensitivity: (S/N=30dB) >2mV. De-Emphasis: 50µS. Audio Output Impedance: 600Ω. Audio Output Level.: 0-0.5V. Power Supply: AC110V /220V 50/60Hz. Current Consumption: ≤50mA. Audio Out Connector: 1/4˝ unbalanced. Transmitter:. Frequency Stability: ±0.005%. RF Output Power: ≤30mW. Modulation Mode: VHF. Maximum Deviation Range: ±50KHz. Microphone Mode: Fixed. Pre-Emphasis: 50µS. Power Supply: AA/1.5V×2. Current Consumption: ≤35mA..
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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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Ham Radio Walkie Talkie UV-5R Pro 8-Watt Dual Band Two Way Radio with one More 3800mAh Battery and Handheld Speaker Mic and NA-771 Antenna and USB Programming Cable

  • Tenway Upgraded version UV-5R Pro Power Settings (High/8W, Med4W, Low/1W).
  • Frequency Range: FM:65-108 MHz(Only) VHF: 136-174 MHz(Rx/Tx). UHF: 400-520 MHz(Rx/Tx).
  • Frequency Step:2.5kHz/5kHz/6.25kHz/10kHz/12.5kHz/25kHz.
  • voice Companding: 50 CTCSS/105 CDCSSBuilt-in LED FlashlightThis model has been FCC certified, FCC ID: 2AUZJCNTEN-5RPRO.
  • Standard 1800mAh Rechargeable Li-ion battery, Power-saving Features to extend battery life.
  • Low battery alarm advises you when to recharge or replace the batteries.
  • Built-in VOX Function/ Time-out Timer / ROGER SET / Battery saver / Low battery alert /Emergency alert /Keypad Lock.
  • Extended Battery 3800mAh Rechargeable Li-ion Battery.
  • Easier PC Programming USB Cable Support CHIRP Software.
  • High-quality built-in speaker on the handheld ham radio provides loud and crystal clear sound.
  • Push-to-Talk button and built-in mic on the radio.
  • Each radio comes with a single-earbud style earpiece.
  • Our service: Fast shipping and 100% USA Warranty. 1 Year warranty and 30 days no reason return, any other problem please feel free to contact us..
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Shure SLXD4D Dual Channel Wireless Receiver (Transmitters Sold Separately)

  • .... 32 available channels per frequency band (region dependent). Up to 10 compatible systems per 6MHz TV band.
  • 12 systems per 8 MHz band. RF Scan and IR Sync to quickly find an open frequency and link the transmitter to a SLX-D receiver. Easy pairing of transmitters and receivers over IR scan and sync..
  • SOUND QUALITY: Crystal clear 24-bit / 48 kHz digital audio. Extended 20 Hz to 20 kHz frequency response (microphone dependent) for natural and clear sound. Stable digital RF signal transmission. 120 dB dynamic range - excellent for vocals & acoustic and wind instruments..
  • APPLICATIONS: A variety of compatible microphone/instrument cable choices guarantees the right solution for a wide range of applications, from day-long presentations to nighttime performances..
  • LEGENDARY SHURE ENGINEERING: Durable and ergonomic plastic transmitter construction..
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Shure SLXD4D Dual Channel Wireless Receiver (Transmitters Sold Separately)

  • .... 32 available channels per frequency band (region dependent). Up to 10 compatible systems per 6MHz TV band.
  • 12 systems per 8 MHz band. RF Scan and IR Sync to quickly find an open frequency and link the transmitter to a SLX-D receiver. Easy pairing of transmitters and receivers over IR scan and sync..
  • SOUND QUALITY: Crystal clear 24-bit / 48 kHz digital audio. Extended 20 Hz to 20 kHz frequency response (microphone dependent) for natural and clear sound. Stable digital RF signal transmission. 120 dB dynamic range - excellent for vocals & acoustic and wind instruments..
  • APPLICATIONS: A variety of compatible microphone/instrument cable choices guarantees the right solution for a wide range of applications, from day-long presentations to nighttime performances..
  • LEGENDARY SHURE ENGINEERING: Durable and ergonomic plastic transmitter construction..
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Rockville, 2 RWM1202VH VHF Wireless Dual Handheld Microphone System w/Mic Receiver v2

  • ... Operating Range: 100'-200'(indoor), 65'-165'(outdoor), Channel: Two Channel, Frequency Range: 170MHz - 260MHz, Frequency Response: 80MHz-12000MHz, Frequency Width: 32Mhz, Dynamic Range: 110dB, Operating Temp: 14°F – 122°F..
  • Oscillation Mode: Quartz Crystal, Frequency Stability: 0. 005%, Modulation Mode: VHF, Frequency Response: 80Hz – 8 KHz (3 dB), Harmonic Radiation : < 63dBm, S/N: 60dB, RF Output Power: 10mW, Power Voltage: AC110V/ 220V - 50/60Hz, Mic Battery: 9V.
  • Receiver: Sensitivity: (S/N=30dB) >2mV , De-Emphasis: 50µS , Audio Output Impedance: 600O , Audio Output Level. : 0-0. 5V , Power Supply: AC110V /220V 50/60Hz , Current Consumption: =50mA , Audio Out Connector: 1/4" unbalanced , Transmitter: Frequency Stability: 0. 005% , RF Output Power: =30mW , Modulation Mode: VHF , Maximum Deviation Range: 50KHz , Microphone Mode: Fixed , Pre-Emphasis: 50µS , Power Supply: AA/1. 5V×2 , Current Consumption: =35mA.
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Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer+3 Way Mono Crossover

  • ...kvilIe RX230 2 Way Stereo / 3 Way Mono Crossover with XLR Input and Output. Features: RockvilIe REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer With Sub-Output. Dual channel (31 bands per channel). Variable stage low and high cut filters. 1/3 octave filter sets (ISO centers). 20 Hz to 20 kHz effective equalization range. Constant Q filters. Selectable 6dB or 12dB cut or boost range.
  • Output level LEDs (-10 to +17 dB). Bypass switch with status LED. Ground lift switch. Balanced XLR input/output. Subwoofer out. Channels: 2 (stereo). Connectors: XLR balanced inputs and outputs. Bands: 31 per channel. Frequency Centers: 20 Hz, 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.5 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz, 20 kHz.
  • Control Range: Selectable +/-12dB 0r +/-6dB. Input Impedance: 50k ohms. Output Impedance: 600 ohms. Maximum Output Level: +21dB. Level Control: +/- 10 dB. Signal to Noise: >93 dB. Distortion: 0.005%. Roll-off filters: 18dB/octave, Butterworth. Power Consumption: 15 watts. Weight Unpacked: 7.00 lbs. Weight Packed: 9 lbs. Width Packed: 5.87". Height Packed: 20. 5". Depth Packed: 9.62". Features ....
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Crystal Oscillator Frequency Counter Tester Meter, DIY 1Hz-50MHz Frequency Indicator Crystal Oscillator Tester Module Kit with 5 Digits Digital Tube Display Red

  • This is a frequency meter based on PIC microcontroller, with crystal vibration measurement function and programmable frequency settings..
  • With five-digit digital tube display, the measurement data display is intuitive and convenient..
  • All of them use direct-plug components. The circuit is simple, easy to make, easy to install and debug..
  • The measuring frequency range of this DIY frequency meter is 1Hz-50MHz, which can measure the oscillation frequency of most commonly used crystal oscillators..
  • Five-bit resolution (e.g. 0.0050kHz, 4.5765MHz, 11.059MHz) supports automatic range conversion..
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2) Kicker CSC674 6.75\ 600w Car Audio Speakers 2) CSC6934 6x9\ 900w Speakers

  • Pair KICKER 46CSC674 6.75" 6-3/4" 300w 4-Ohm Car Audio Coaxial Speakers . Speaker Design: 2 - way. Woofer Size: 6 3/4 in. (165 mm). Tweeter Size: 1/2 in. (13 mm). DC Resistance: 3.3 ohms. Peak Power: 300 Watts per speaker / 600 Watts per pair..
  • Effective Frequency Range: 40Hz - 20kHz. Mounting Hole Diameter: 5 1/2 in. (140 mm). Top Mount Depth: 3/16 in. (4 mm). Bottom Mount Depth: 1 13/16 in. (47 mm). Grilles: Yes. Tweeter Magnet Material: Neodymium..
  • Pair KICKER 46CSC6934 6"x9" 6x9 450 Watt 4-Ohm 3-Way Car Audio Speakers . Speaker Design: 3 - way. Woofer Size: 6x9 in. (160x230 mm). Mid Size: 2 in. (50 mm). Tweeter Size: 1/2 in. (13 mm). DC Resistance: 3.5 ohms..
  • Peak Power: 450 Watts per speaker / 900 Watts per pair. Continuous Power (RMS): 150 Watts per speaker / 300 Watts per pair. Sensitivity: 92 dB @ 1W, 1m. Effective Frequency Range: 30Hz - 20kHz. Mounting Hole Diameter: 5-5/8 x 8-7/16 in..
  • Top Mount Depth: 7/16 in. (12 mm). Bottom Mount Depth: 3 3/16 in. (81 mm). Tweeter Protrusion 1/16 in.(1 mm). Grilles: Yes. Tweeter Magnet Material: Electric Crystal Motor. Tweeter Dome Material: PEI (polyether imide)..
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Computer Microphone, Aokeo Pc Mic and BEHRINGER UM2 Audio Interface,Studio Condenser Microphone with Shock Mount, Pop Filter, and XLR Cable Studio Microphone for Music

  • VERSATILE MICROPHONE: Multi-purpose condenser mic is excellent for recording ASMR, singing, podcast audio, YouTube content, music and more..
  • STUDIO QUALITY SOUND: Large diaphragm condenser microphone captures rich, vibrant sound for recording quality audio..
  • 2x2 USB audio interface for recording microphones and instruments Audiophile 48 kHz resolution for professional audio quality. Maximum Sampling Rate: 48 kHz.Perfect for podcasting, game streaming, Skype calls, YouTube or music..
  • PROFESSIONAL SOUND CHIPSET--This Condenser Microphone has been designed with professional sound chipset.This recording mic captures the details, nuances, and articulation with high sampling rate (192KHZ/24Bit), extended dynamic range and smooth frequency response of 100Hz-18kHz. It is professional microphone which offers richer and crystal clear audios for livestreams, podcast, YouTube videos, voice-over, meetings and gaming..
  • BLOCK OUT DISRUPTIVE NOISE--Background noise is greatly eliminated due to the cardioid pickup pattern that only focuses sound sources directly in front of the microphone. Pop filter with double mesh layering and foam windscreen help reduce subtle plosive and wind sound.1 year warranty, 30 days free replacement!.
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Logitech H800 Bluetooth Wireless Headset with Mic for PC, Tablets and Smartphones - Black

  • PC, smartphone and tablet headset: Easy to connect and switch between devices.
  • Rich digital stereo sound: Laser-tuned speaker drivers, built-in equalizer and noise-cancelling mic for crystal clear calls and music*. Sensitivity (microphone)- -47dBV/Pa +/- 3dB. Sensitivity (headphone)- 97dB +/-3dB.
  • 40 ft. wireless range: Listen and chat up to 12 m from your PC-or pair with your smartphone or tablet using Bluetooth. Input impedance: 32 Ohms.
  • Six-hour rechargeable battery : Listen and chat longer with easy USB charging. Frequency response (Headset): Wideband: 30Hz to 15KHz, Narrowband: 40Hz to 3.2KHz. Frequency response (Microphone): 100Hz to 6,500Hz.
  • Padded comfort: Adjustable padded headband and sculpted ear cups for a feel-good fit.
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