ReviewsFrequency Counter Circuit Design

Wouxun KG-UV9D Plus Transmission Seven Bands Reception Two Way Radio with FM Radio and Air Band (Standard)

  • Seven Bands Reception and Dual Bands Transmission Wider frequency ranges meet different demands. The frequency range is from 76MHz to 965MHz, including FM radio and air band.
  • Classic Circuit , Excellent Performance Mature circuit design and high quality electronic components, after years of use can still maintain stable performance.
  • ship from US warehouse directly , takes 3-5 working days to arrive ..
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AudioPipe APCLE-3002 Class AB 2 Channel 1500W MAX Car Audio Sound System Power Amplifier Kit with Bass Knob, RCA Input/Output, and Overload Protection

  • HIGH-PERFORMANCE AMP: Upgrade your audio system to this high-performance class D monoblock amplifier boasting 1,800 watts of RMS power and variable Ohm for bumping bass and full sound.
  • 4 ohms: 750 watts RMS x 1, 2 ohms: 1,100 watts RMS x 1, 1 ohm: 1,800 watts RMS x 1.
  • CUSTOMIZED SOUND: Bass-boost frequency and level adjustable for customized bass, adjustable subsonic and low-pass filter for hitting all frequencies, 1-Ohm load stability, and phase adjustability.
  • Bass boost: 0 12dB, Variable bass boost frequency: 30Hz 80Hz.
  • SAFETY FEATURES: MOSFET circuit design with overload, short-circuit, thermal, and low-voltage protection to keep your device safe and running smoothly.
  • BRIDGEABLE DESIGN: Easy bridging operation for versatile use.
  • INCLUDES: Package includes 1-channel power amp, bass knob, and mounting hardware.
  • Dimensions (L x W x H): 17 x 7 x 2.2 inches.
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Wouxun KG-UV9D Plus Seven Bands Reception Ham Two Way Radio

  • This model has been FCC certified, FCC ID: AOCRXM170418050-09. Certified Original WOUXUN radio, To avoid counterfeit models - insure your listing shows "sold by ABBREE".
  • Dual Band , Cross Band Repeater , Large Color Screen With two independent receivers for both UHF and VHF, you can listen to either the same or different bands simultaneously , large color screen can display more information.
  • Classic Circuit , Excellent Performance Mature circuit design and high quality electronic components, after years of use can still maintain stable performance.
  • Seven Bands Reception and Dual Bands Transmission Wider frequency ranges meet different demands. The frequency range is from 76MHz to 965MHz, including FM radio and air band.
  • Using High Quality Plastic and Rubber Material High quality plastic can make the shell more robust and durable good rubber material can make the button has a good touch feel.
  • Shipping from US Warehouse, shipping days 3-12 working days..
  • 【How to Program frequency?】 (Refer to KG-UV9D Plus） https://www.wouxun.cn/ZuoPin/VideoPlay.aspx?vname=uv9dp03 【Product instruction manual】 (download from the official website) http://en.wouxun.cn/.
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HiFi Headphone Amplifier Portable 3.5mm Stereo Earphone Audio Amplifier 200Mah Lithium Battery Mobile Phone

  • HIGH DEFINITION STEREO SOUNDYou can improve the sound quality of your smartphone so that you can enjoy high definition pure stereo sound without losing the truth.DescriptionDescription:.
  • Are you still worried about this? Every time you listen to a song on your cell phone, the sound is stiff, dry and cold. Low frequency reduction is insufficient, listening is weak, audio output has digital flavor bias. From now on, you won't be troubled by these problems any more. This sound amplifier can help you solve all the sound problems. You deserve a try..
  • Positive and negative dual power technology.
  • Low resistance impedance matching circuit network.
  • High and low frequency dynamic compensation tuning circuit network.
  • No-output capacitance, ground plane reference output design.
  • High efficiency charge and radiation suppression circuit.
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Fanmusic TRUTHEAR x Crinacle Zero Earphone Dual Dynamic Drivers in-Ear Earphone with 0.78 2Pin Cable Earbuds (Zero)

  • ...a diameter of 10mm and the other diameter of 7.8mm. ZERO offers the smooth, soft and detailed sound thanks to the mature internal magnetic circuit structure co-worked with flexible polyurethane suspension composite LCP liquid crystal dome diaphragm..
  • Accurate Hybrid Double Frequency Division: Relying on the high-precision DLP-3D printing technolo- gy, the acoustic nozzle structure with filtering function and the accurately calculated RC frequency division form a hybrid double frequency division, which makes the two dynamic driver perform respectively, offering the closer design goal of objective indicators..
  • Excellent Objective Indicators: ZERO has a proper low-frequency gain and high-frequency response in line with HRTF characteristics, which makes ZERO own the objective index comparable to that of professional monitor earphones, while it is not as cold and rigid as that of common monitor earphone, and its overall timbre is natural and full of atmosphere..
  • Glue-Dropping Molding Capping Process: ZERO whole cavity adopts a sandwich structure (front cavity, decorative panel, and glue dropping capping). ZERO is capped by glue-....
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Audiopipe APCLE-18001D Class D 1800 Watt RMS Monoblock Amp Kit Car Audio Sound System Amplifier with Bass Knob and Overload Protection, Black (2 Pack)

  • HIGH-PERFORMANCE AMP: Upgrade your audio system to this high-performance class D monoblock amplifier boasting 1,800 watts of RMS power and variable Ohm for bumping bass and full sound.
  • 4 ohms: 750 watts RMS x 1, 2 ohms: 1,100 watts RMS x 1, 1 ohm: 1,800 watts RMS x 1.
  • CUSTOMIZED SOUND: Bass-boost frequency and level adjustable for customized bass, adjustable subsonic and low-pass filter for hitting all frequencies, 1-Ohm load stability, and phase adjustability.
  • Bass boost: 0 12dB, Variable bass boost frequency: 30Hz 80Hz.
  • SAFETY FEATURES: MOSFET circuit design with overload, short-circuit, thermal, and low-voltage protection to keep your device safe and running smoothly.
  • BRIDGEABLE DESIGN: Easy bridging operation for versatile use.
  • INCLUDES: Package includes 1-channel power amp, bass knob, and mounting hardware.
  • Dimensions (L x W x H): 17 x 7 x 2.2 inches.
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HUABAN 1 Pack Crystal Oscillator Tester 1Hz-50MHz Frequency Counter Tester Meter Cymometer Measurement Tester Module LED DIY Kit

  • Product Type: Crystal Oscillator Frequency Counter.
  • Crystal Test Range: about 4MHz-48MHz(not include 32.768KHZ).
  • PCB Size: 80*53*2mm. Net weight : about 39g.
  • Package Include: 1 set Frequency Counter Tester Parts( Attention: the products are in parts , the buyers need to assemble them).
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AudioPipe APTV-1000.2 Full Range IP67 Waterproof Marine Bridgeable Class D Amplifier for ATVs UTVs Boats and Motorcycles Black

  • CLASS D WATERPROOF AMPLIFIER: Bridgable class D amplifier ideal for side-by-sides, UTV's, ATV's, boats, or motorcycles.
  • RMS POWER SPECS: Output power (RMS): 100 watts x 2 channels at 4 ohms, and 160 watts x 2 channels at 4 Ohms.
  • MULTIPLE PROTECTIONS: Thermal, over current, and short circuit protection ensure your equipment is safe and secure.
  • LOW RESISTANCE TECHNOLOGY: Features surface mount technology (SMD) with a 4 layer fiberglass printed circuit board (PCB) design.
  • AMPLIFIER SPECIFICATIONS: Adjustable HP/LP frequency control.
  • Frequency response: (-3dB) 20Hz to 20KHz.
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Oxytrol for Women Overactive Bladder Transdermal Patch, 8 Count

  • Oxytrol for women provides effective relief of your overactive bladder (oab) by calming the bladder muscle-reducing frequency, urges, and accidents.
  • The first and only over the counter treatment for overactive bladder.
  • Provides continuous relief of overactive bladder for four days and nights with only one patch.
  • Oxytrol for women provides effective relief of your Overactive Bladder (OAB) by calming the bladder muscle – reducing frequency, urges, and accidents.
  • The First and only over the counter treatment for Overactive Bladder.
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IEM1200 Wireless in Ear Monitor System 2 Channel 2/4 Bodypack Monitoring with in Earphone Wireless Type Used for Stage or Studio 4 Bodypacks

  • UHF WIRELESS IN EAR MONITOR SYSTEM-UHF band Phase lock PLL,Improved comprehensive performance, anti-frequency drop, anti-series frequency. Frequency....
  • USED IN STAGE PERFORMANCE AND SOUND BROADCASE-Built-in Limiter circuitry eliminating distortion under excessive input levels. Front panel 1/4-inch....
  • DESIGN FEATURES(APPERANCE AND DISPLAY)-Elegant liquid crystal display panel and LCD display low-battery indicator on the receiver.With power and RF....
  • WIRELESS RANG AND FREQUENCY RANG-IEM1200 in ear monitor and receiver system offers tabletop stage monitoring with a wireless range of up to 300....
  • QUALITY AND TECHNOLOGY GUARANTEED-Using advanced circuit design,clear the receiving blind angle to make the system's receiving signal steady.The....
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Tampon Bandage Menstruation Period Bleeding Funny gift T-Shirt

  • Oxytrol for women provides effective relief of your overactive bladder (oab) by calming the bladder muscle-reducing frequency, urges, and accidents.
  • The first and only over the counter treatment for overactive bladder.
  • Provides continuous relief of overactive bladder for four days and nights with only one patch.
  • Oxytrol for women provides effective relief of your Overactive Bladder (OAB) by calming the bladder muscle - reducing frequency, urges, and accidents.
  • The First and only over the counter treatment for Overactive Bladder.
Check Stock